C'est la raison de l'existence du premier paramètre '''busnum'''.
C'est la raison de l'existence du premier paramètre '''busnum'''.
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Le paramètre '''address''' permet d'indiquer l'adresse du MCP23017 en notation hexadécimal assumes you are using an MCP23017 with all three address pins set to GND. If you are using a different address pin configuration, you can open up the datasheet to see how the address scheme works ([http://df.mchobby.be/datasheet/MCP23017.pdf fiche technique du MCP23017] ou la [http://df.mchobby.be/datasheet/MCP23007.pdf fiche technique du MCP23008].)
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Le paramètre '''address''' permet d'indiquer l'adresse du MCP23017 en notation hexadécimal assumes you are using an MCP23017 with all three address pins set to GND. If you are using a different address pin configuration, you can open up the datasheet to see how the address scheme works ([http://df.mchobby.be/datasheet/mcp23017.pdf fiche technique du MCP23017] ou la [http://df.mchobby.be/datasheet/mcp23008.pdf fiche technique du MCP23008].)
<nowiki># Use busnum = 0 for older Raspberry Pi's (pre 512MB)
<nowiki># Use busnum = 0 for older Raspberry Pi's (pre 512MB)