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{{RASP-PCF8523-NAV}}
{{RASP-PCF8523-NAV}}
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== Brancher la RTC ==
To keep costs low, the Raspberry Pi does not include a Real Time Clock module. Instead, users are expected to have it always connected to WiFi or Ethernet and keep time by checking the network. Since we want to include an external module, we'll have to wire one up.
We have three different RTC we suggest, {{pl|1148|PCF8523 is inexpensive}}, {{pl|204|DS1307}} is most common, and DS3231 is most precise. Any of them will do!
While the DS1307 is historically the most common, its not the best RTC chipset, we've found!
== Placer la pile ==
Don't forget to also install a {{pl|870|CR1220 coin cell}}. In particular the DS1307 wont work at all without it and none of the RTCs will keep time when the Pi is off and no coin battery is in place.
== Raccorder ==
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{{RASP-PCF8523-TRAILER}}
{{RASP-PCF8523-TRAILER}}