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	<id>https://wiki.mchobby.be/index.php?action=history&amp;feed=atom&amp;title=Pololu-Romi-32U4-Carte-Raspberry</id>
	<title>Pololu-Romi-32U4-Carte-Raspberry - Historique des versions</title>
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	<updated>2026-10-15T15:31:51Z</updated>
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	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28354&amp;oldid=prev</id>
		<title>Admin le 5 novembre 2019 à 10:39</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28354&amp;oldid=prev"/>
		<updated>2019-11-05T10:39:40Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:39&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Ligne 1 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 1 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-NAV}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-NAV}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{traduction}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Interface Raspberry Pi ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Interface Raspberry Pi ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pour faciliter l'interfaçage avec les nano-ordinateurs Raspberry Pi afin de pouvoir étendre les capacités de traitement du Romi.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pour faciliter l'interfaçage avec les nano-ordinateurs Raspberry Pi afin de pouvoir étendre les capacités de traitement du Romi.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28353&amp;oldid=prev</id>
		<title>Admin : /* ID EEPROM */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28353&amp;oldid=prev"/>
		<updated>2019-11-05T10:39:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;ID EEPROM&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:39&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l42&quot; &gt;Ligne 42 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 42 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La carte contrôleur Romi 32U4 inclus une EEPROM de 32 Kilobits (4096&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-byte&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;EEPROM that connects to the &lt;/del&gt;Raspberry &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pi’s &lt;/del&gt;ID_SD &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;ID_SC pins. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ships with its contents blank, but you can program it as an &lt;/del&gt;ID EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;in the &lt;/del&gt;format &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;specified by the &lt;/del&gt;[https://github.com/raspberrypi/hats spécifications Raspberry Pi HAT] (''RaspberryPi.org, anglais'')&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, using the utilities provided there&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When suitably programmed&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can help the &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;identify and configure itself to work with the &lt;/del&gt;Romi 32U4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Control Board&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;La carte contrôleur Romi 32U4 inclus une EEPROM de 32 Kilobits (4096 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;octets&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;qui est sir les lignes &lt;/ins&gt;Raspberry &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pi &lt;/ins&gt;ID_SD &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;ID_SC pins. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Le contenu de l'&lt;/ins&gt;EEPROM &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;n'est pas initialisé mais il est possible d'y programmer un &lt;/ins&gt;ID EEPROM &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;en suivant le &lt;/ins&gt;format &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;des &lt;/ins&gt;[https://github.com/raspberrypi/hats spécifications Raspberry Pi HAT] (''RaspberryPi.org, anglais'') &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et les utilitaires mentionnés dans ces spécifications&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Lorsqu'elle est correctement programmée&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;l'&lt;/ins&gt;EEPROM &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;permet au &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;d'identifier la carte connectée et de s'auto configurer pour l'utiliser (dans le cas présent, il s'agit de la carte de contrôle &lt;/ins&gt;Romi 32U4&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Write &lt;/del&gt;protection &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for the &lt;/del&gt;EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can be enabled by using solder to bridge the surface-mount jumper labeled “WP” next to the &lt;/del&gt;EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;chip&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(The &lt;/del&gt;EEPROM &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is not write-protected by default&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;La &lt;/ins&gt;protection &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;d'écriture de l'&lt;/ins&gt;EEPROM &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;peut être activée en utilisant une pointe de soudure pour ponter le cavalier labellisé &amp;quot;WP&amp;quot; (à côté de l'&lt;/ins&gt;EEPROM&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Par défaut, cette &lt;/ins&gt;EEPROM &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;n'est pas en lecture seule&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28352&amp;oldid=prev</id>
		<title>Admin : /* ID EEPROM */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28352&amp;oldid=prev"/>
		<updated>2019-11-05T10:19:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;ID EEPROM&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:19&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l42&quot; &gt;Ligne 42 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 42 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;La carte contrôleur &lt;/ins&gt;Romi 32U4 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;inclus une EEPROM de &lt;/ins&gt;32 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kilobits &lt;/ins&gt;(4096-byte) EEPROM that connects to the Raspberry Pi’s ID_SD and ID_SC pins. The EEPROM ships with its contents blank, but you can program it as an ID EEPROM in the format specified by the [https://github.com/raspberrypi/hats spécifications Raspberry Pi HAT] (''RaspberryPi.org, anglais''), using the utilities provided there. When suitably programmed, the EEPROM can help the Raspberry Pi identify and configure itself to work with the Romi 32U4 Control Board.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;Romi 32U4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Control Board includes a &lt;/del&gt;32&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-kilobit &lt;/del&gt;(4096-byte) EEPROM that connects to the Raspberry Pi’s ID_SD and ID_SC pins. The EEPROM ships with its contents blank, but you can program it as an ID EEPROM in the format specified by the [https://github.com/raspberrypi/hats spécifications Raspberry Pi HAT] (''RaspberryPi.org, anglais''), using the utilities provided there. When suitably programmed, the EEPROM can help the Raspberry Pi identify and configure itself to work with the Romi 32U4 Control Board.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Write protection for the EEPROM can be enabled by using solder to bridge the surface-mount jumper labeled “WP” next to the EEPROM chip. (The EEPROM is not write-protected by default.)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Write protection for the EEPROM can be enabled by using solder to bridge the surface-mount jumper labeled “WP” next to the EEPROM chip. (The EEPROM is not write-protected by default.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28351&amp;oldid=prev</id>
		<title>Admin : /* Alimenter le Raspberry Pi depuis la carte contrôleur */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28351&amp;oldid=prev"/>
		<updated>2019-11-05T10:19:04Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Alimenter le Raspberry Pi depuis la carte contrôleur&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:19&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l37&quot; &gt;Ligne 37 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 37 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The control board will provide 5 V power to an attached &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;by default&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;See &lt;/del&gt;[[Pololu-Romi-32U4-Carte-Alimentation|section alimentation]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for more details about how power is shared and can be controlled between the two boards&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Par défaut, la carte contrôleur Romi fournira une tension d'alimentation 5V au &lt;/ins&gt;Raspberry&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;-&lt;/ins&gt;Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;branché sur le connecteur GPIO&lt;/ins&gt;.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Voir la &lt;/ins&gt;[[Pololu-Romi-32U4-Carte-Alimentation|section alimentation]] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pour plus de détail sur le partage d'alimentation, et leur contrôle, entre les deux cartes&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ID EEPROM ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28350&amp;oldid=prev</id>
		<title>Admin : /* level shifters à usage général */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28350&amp;oldid=prev"/>
		<updated>2019-11-05T10:17:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;level shifters à usage général&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:17&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l32&quot; &gt;Ligne 32 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 32 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-11.png]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-11.png]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For example, if you pull &lt;/del&gt;{{overline|OE}} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;low&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;connect a &lt;/del&gt;3.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;3 V signal to &lt;/del&gt;IN, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and connect &lt;/del&gt;5V &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/del&gt;VCC&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, the &lt;/del&gt;signal &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;will be shifted to 5 V logic level on &lt;/del&gt;OUT.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Par exemple: si vous placez &lt;/ins&gt;{{overline|OE}} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;au niveau BAS&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;connectez un signal &lt;/ins&gt;3.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3V (HAUT) sur &lt;/ins&gt;IN, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;5V &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sur &lt;/ins&gt;VCC &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;alors le &lt;/ins&gt;signal &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;IN sera converti en logique 5V sur la sortie &lt;/ins&gt;OUT.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The input logic level can be &lt;/del&gt;1.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;8 V to &lt;/del&gt;5.5 V&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, while &lt;/del&gt;VCC (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and the output logic level&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can be 3 V to &lt;/del&gt;5.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;5 V&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;IN &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;signal can have either a lower or higher logic level than the &lt;/del&gt;VCC &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;voltage&lt;/del&gt;: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;you could connect a 5 V &lt;/del&gt;signal &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;to &lt;/del&gt;IN &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and a &lt;/del&gt;3.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;3 V to &lt;/del&gt;VCC &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;or a &lt;/del&gt;3.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;3 V signal to IN and a 5 V to &lt;/del&gt;VCC.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Le niveau logique d'entrée IN peut aller de &lt;/ins&gt;1.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;8V à &lt;/ins&gt;5.5 V&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. L'alimentation &lt;/ins&gt;VCC (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et niveau logique de sortie&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;peut aller de 3V à &lt;/ins&gt;5.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5V&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Le signal d'entrée &lt;/ins&gt;IN &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;peut avoir un niveau logique inférieur ou supérieur à la tension &lt;/ins&gt;VCC: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;il est donc possible de connecter un &lt;/ins&gt;signal &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;5V sur une entrée (&lt;/ins&gt;IN&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;), &lt;/ins&gt;3.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3V sur &lt;/ins&gt;VCC&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Il est également possible d'avoir un signal &lt;/ins&gt;3.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3V en entrée et &lt;/ins&gt;VCC &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;placé à 5V&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28349&amp;oldid=prev</id>
		<title>Admin : /* level shifters a usage général */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28349&amp;oldid=prev"/>
		<updated>2019-11-05T10:07:56Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;level shifters a usage général&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 10:07&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot; &gt;Ligne 17 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 17 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-01.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-01.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ''level shifters'' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a &lt;/del&gt;usage général ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== ''level shifters'' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;à &lt;/ins&gt;usage général ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In addition to the dedicated I²C level shifters, the board also makes available a few general-purpose level shifters that are not connected to any signals by default.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;En plus des &lt;/ins&gt;''&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Level Shifters&lt;/ins&gt;'' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dédiés au bus I2C, la carte propose quelques &lt;/ins&gt;''level &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;shifters&lt;/ins&gt;'' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;libre d&lt;/ins&gt;'&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;usage puisqu&lt;/ins&gt;'&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ils ne sont pas encore connectés sur des signaux&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;LS1&lt;/del&gt;''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is a dual-channel unidirectional &lt;/del&gt;level &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;shifter that converts a pair of 5 V inputs ('''HA''' and '''HB''') to a pair of corresponding 3.3 V outputs ('''LA''' and ''&lt;/del&gt;'&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;LB&lt;/del&gt;'''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;'''LS1''' est un ''level shifter'' deux canaux uni-directionnels qui converti une paire d'entrée 5V ('''HA''' et '''HB''') vers la paire de sortie 3.3 V ('''LA''' et '''LB''').&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-10.png]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-10.png]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''LS2''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;'''LS3''' &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are each single&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;channel&lt;/del&gt;, tristatable&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, unidirectional level shifters&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Each of these exposes four pins&lt;/del&gt;: ''{{overline|OE}}'' (output enable), '''IN''' (input), '''OUT''' (shifted output)&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, and &lt;/del&gt;'''VCC''' (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;logic supply voltage&lt;/del&gt;).&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''LS2''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;'''LS3''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sont des canaux ''level shifter'' uni&lt;/ins&gt;-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;directionnel&lt;/ins&gt;, tristatable &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(3 états)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Chacun d'entre eux expose 4 broches&lt;/ins&gt;: ''{{overline|OE}}'' (output enable), '''IN''' (input), '''OUT''' (shifted output) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;'''VCC''' (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;alimentation de la logique&lt;/ins&gt;).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When &lt;/del&gt;{{overline|OE}} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is high&lt;/del&gt;, OUT &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is in a high impedance state&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Lorsque &lt;/ins&gt;{{overline|OE}} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;est au niveau BAS&lt;/ins&gt;, OUT &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;présente une sortie à haute impédance&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When &lt;/del&gt;{{overline|OE}} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is low&lt;/del&gt;, OUT &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;matches the state of &lt;/del&gt;'''IN'''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;, shifted to the voltage supplied on &lt;/del&gt;VCC.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Lorsque &lt;/ins&gt;{{overline|OE}} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;est au niveau BAS&lt;/ins&gt;, OUT &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;propose l'état correspondant à &lt;/ins&gt;'''IN''' &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(avec la tension appliquée sur &lt;/ins&gt;VCC&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;)&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-11.png]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-11.png]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28348&amp;oldid=prev</id>
		<title>Admin : /* Communication I2C */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28348&amp;oldid=prev"/>
		<updated>2019-11-05T09:58:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Communication I2C&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 09:58&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot; &gt;Ligne 9 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 9 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Communication I2C ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Communication I2C ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When used with a &lt;/del&gt;Raspberry Pi, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the control board is designed to serve as an auxiliary controller, communicating with the &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;using an I²C &lt;/del&gt;interface (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;also known as &lt;/del&gt;2-wire Serial Interface, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;or &lt;/del&gt;TWI). &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;As such&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the ATmega32U4 microcontroller’s I²C data and clock lines &lt;/del&gt;(SDA &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;SCL) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are connected to the corresponding lines on the &lt;/del&gt;Raspberry &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pi’s I²C bus 1 through on-board &lt;/del&gt;level-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;shifting circuits&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;These bidirectional &lt;/del&gt;level shifters &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;convert between the AVR’s 5 V logic level and the Raspberry Pi’s &lt;/del&gt;3.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;3 V logic level&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Lorsqu'elle est utilisée avec un &lt;/ins&gt;Raspberry Pi, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;la carte de contrôle est conçue pour agir comme un périphérique auxiliaire  communiquant avec le &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;via l'&lt;/ins&gt;interface &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;I2C &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;également connue sous le nom ''&lt;/ins&gt;2-wire Serial Interface&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;''&lt;/ins&gt;, TWI &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ou interface série 2 fils&lt;/ins&gt;). &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dans pareil cas&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;les lignes de données &lt;/ins&gt;(SDA&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;) et d'horloge (&lt;/ins&gt;SCL) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;du bus I2C du microcontrôleur ATmega32U4 sont connectées sur leurs lignes correspondantes du &lt;/ins&gt;Raspberry &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pi par l'intermédiaire de ''&lt;/ins&gt;level-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;shifter''&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ces convertisseurs de niveaux logiques (dit ''&lt;/ins&gt;level shifters&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'') convertissent la tension logique 5V de l'AVR vers la tension logique &lt;/ins&gt;3.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;3V du Raspberry Pi (et vice-versa)&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;We have written an &lt;/del&gt;[https://github.com/pololu/pololu-rpi-slave-arduino-library Arduino &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;library&lt;/del&gt;] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for our our &lt;/del&gt;32U4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;family of boards that lets them act as an I²C slave and provides a framework for communication between the ATmega32U4 and a &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;master&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pololu à écrit un &lt;/ins&gt;[https://github.com/pololu/pololu-rpi-slave-arduino-library &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bibliothèque &lt;/ins&gt;Arduino] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pour la famille de carte &lt;/ins&gt;32U4 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pour permettre au microcontrôleur d'agir comme un périphérique esclave I2C (dit ''suiveur'' suivant la nouvelle terminologie I2C) et le &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;comme périphérique maître I2C (aussi dit ''leader'')&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;A &lt;/del&gt;[https://www.pololu.com/blog/577 tutorial] (''&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pololu, &lt;/del&gt;Anglais'') &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;on the Pololu blog demonstrates this library and its included example code, using them to make a &lt;/del&gt;robot &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;that can be remotely controlled and monitored through a web server running on the &lt;/del&gt;Raspberry Pi. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;This tutorial uses our &lt;/del&gt;{{polpl|3119|A-Star 32U4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Robot Controller &lt;/del&gt;SV}} &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and a &lt;/del&gt;laser &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cut chassis, but the instructions for setting up your &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and Raspberry Pi slave library for &lt;/del&gt;Arduino &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;still apply for the &lt;/del&gt;Romi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;32U4 Control Board&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and we will be releasing an updated tutorial with steps specific to the Romi soon&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Un &lt;/ins&gt;[https://www.pololu.com/blog/577 tutorial &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;du blog Pololu&lt;/ins&gt;] (''Anglais'') &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;démontre l'usage de cette bibliothèque avec des codes d'exemples permettant ainsi de contrôler/surveiller le &lt;/ins&gt;robot &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;à distance à l'aide d'un serveur WEB installé sur le &lt;/ins&gt;Raspberry Pi. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ce tutoriel utilise le &lt;/ins&gt;{{polpl|3119|A-Star &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;contrôleur Robot &lt;/ins&gt;32U4 SV}} &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et un châssis coupé au &lt;/ins&gt;laser&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Ces instruction de configuration du &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et bibliothèque esclave pour &lt;/ins&gt;Arduino &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sont applicables à la carte de contrôle 32U4 pour &lt;/ins&gt;Romi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;(Pololu devrait publier un tutoriel adhoc dans le futur&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;si ce n'est déjà fait)&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-01.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-01.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28347&amp;oldid=prev</id>
		<title>Admin : /* Interface Raspberry Pi et level shifters */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28347&amp;oldid=prev"/>
		<updated>2019-11-05T09:42:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Interface Raspberry Pi et level shifters&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 09:42&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot; &gt;Ligne 2 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 2 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{traduction}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{traduction}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Interface Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;et level shifters &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Interface Raspberry Pi ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;La carte de contrôle Romi 32U4 à été conçue pour &lt;/del&gt;faciliter l'&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;interfacage &lt;/del&gt;avec les nano-ordinateurs Raspberry Pi afin de pouvoir étendre les capacités de traitement du Romi.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pour &lt;/ins&gt;faciliter l'&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;interfaçage &lt;/ins&gt;avec les nano-ordinateurs Raspberry Pi afin de pouvoir étendre les capacités de traitement du Romi.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Il dispose d'un connecteur et de trous de montage correspondant au spécifications Raspberry Pi HAT (''Hardware Attached on Top''). Le Romi est conçu pour être connecté sur un GPIO 40 broches d'un modèle B+ et plus récent (incluant Raspberry Pi 3/4 Modèle B et &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Model &lt;/del&gt;A+). Un connecteur femelle 2×20 broches (empattement 2.54mm) est soudé sur la carte de contrôle, la carte de contrôle est par ailleurs livrée avec 4 entretoise, visserie et écrou.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Il dispose d'un connecteur et de trous de montage correspondant au spécifications Raspberry Pi HAT (''Hardware Attached on Top''). Le Romi est conçu pour être connecté sur un GPIO 40 broches d'un modèle B+ et plus récent (incluant Raspberry Pi 3/4 Modèle B et &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Modèle &lt;/ins&gt;A+). Un connecteur femelle 2×20 broches (empattement 2.54mm) est soudé sur la carte de contrôle, la carte de contrôle est par ailleurs livrée avec 4 entretoise, visserie et écrou.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-00.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-00.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28346&amp;oldid=prev</id>
		<title>Admin : /* Raspberry Pi interface and level shifters */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28346&amp;oldid=prev"/>
		<updated>2019-11-05T09:41:53Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Raspberry Pi interface and level shifters&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 5 novembre 2019 à 09:41&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot; &gt;Ligne 2 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 2 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{traduction}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{traduction}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;interface and &lt;/del&gt;level shifters ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Interface &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;level shifters ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;Romi 32U4 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Control Board was designed to be easy to interface with a &lt;/del&gt;Raspberry Pi &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;single-board computer to expand the Romi’s processing power&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It has a connector and mounting holes matching the &lt;/del&gt;Raspberry Pi HAT (Hardware Attached on Top) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;specification and is designed to connect to the Model &lt;/del&gt;B+ &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and newer versions of the Raspberry Pi with 40-pin GPIO headers &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;including the &lt;/del&gt;Raspberry Pi 3 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Model &lt;/del&gt;B &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;Model A+). &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;A &lt;/del&gt;2×20&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-pin 0&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;1″ female header is soldered to the control board, and it ships with a set of four standoffs&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;screws&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and nuts&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;La carte de contrôle &lt;/ins&gt;Romi 32U4 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;à été conçue pour faciliter l'interfacage avec les nano-ordinateurs &lt;/ins&gt;Raspberry Pi &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;afin de pouvoir étendre les capacités de traitement du Romi&lt;/ins&gt;.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Il dispose d'un connecteur et de trous de montage correspondant au spécifications &lt;/ins&gt;Raspberry Pi HAT (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;''&lt;/ins&gt;Hardware Attached on Top&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;''&lt;/ins&gt;)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Le Romi est conçu pour être connecté sur un GPIO 40 broches d'un modèle &lt;/ins&gt;B+ &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et plus récent &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;incluant &lt;/ins&gt;Raspberry Pi 3&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;/4 Modèle &lt;/ins&gt;B &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;et &lt;/ins&gt;Model A+). &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Un connecteur femelle &lt;/ins&gt;2×20 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;broches (empattement 2&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;54mm) est soudé sur la carte de contrôle&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;la carte de contrôle est par ailleurs livrée avec 4 entretoise&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;visserie et écrou&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-00.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Fichier:Pololu-Romi-32U4-Carte-Raspberry-00.jpg|480px]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28317&amp;oldid=prev</id>
		<title>Admin : /* Alimenter le Raspberry Pi depuis la carte contrôleur */</title>
		<link rel="alternate" type="text/html" href="https://wiki.mchobby.be/index.php?title=Pololu-Romi-32U4-Carte-Raspberry&amp;diff=28317&amp;oldid=prev"/>
		<updated>2019-11-02T13:18:01Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Alimenter le Raspberry Pi depuis la carte contrôleur&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;fr&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 2 novembre 2019 à 13:18&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l38&quot; &gt;Ligne 38 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 38 :&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Alimenter le Raspberry Pi depuis la carte contrôleur ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The control board will provide 5 V power to an attached Raspberry Pi by default. See [[Pololu-Romi-32U4-Carte-Alimentation|section alimentation]] for more details about how power is shared and can be controlled between the two boards.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The control board will provide 5 V power to an attached Raspberry Pi by default. See [[Pololu-Romi-32U4-Carte-Alimentation|section alimentation]] for more details about how power is shared and can be controlled between the two boards.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== ID EEPROM ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The Romi 32U4 Control Board includes a 32-kilobit (4096-byte) EEPROM that connects to the Raspberry Pi’s ID_SD and ID_SC pins. The EEPROM ships with its contents blank, but you can program it as an ID EEPROM in the format specified by the [https://github.com/raspberrypi/hats spécifications Raspberry Pi HAT] (''RaspberryPi.org, anglais''), using the utilities provided there. When suitably programmed, the EEPROM can help the Raspberry Pi identify and configure itself to work with the Romi 32U4 Control Board.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Write protection for the EEPROM can be enabled by using solder to bridge the surface-mount jumper labeled “WP” next to the EEPROM chip. (The EEPROM is not write-protected by default.)&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Pololu-Romi-32U4-TRAILER}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
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