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→Configurer I2C sur votre Pi
You'll also need to set up i2c on your Pi, to do so, run sudo '''raspi-config''' and under '''Advanced''' select I2C and turn it on.
You'll also need to set up i2c on your Pi, to do so, run sudo '''raspi-config''' and under '''Advanced''' select I2C and turn it on.
Reboot once you've done that with {{fname|sudo reboot}}
== Vérifier le câblage ==
Verify your wiring by running
sudo apt-get install python-smbus i2c-tools
to install the helper software and then {{fname|sudo i2cdetect -y 1}} at the command line, you should see ID #68 show up - that's the address of the DS1307, PCF8523 or DS3231!
If you have a much older Pi 1, you will have to run {{fname|sudo i2cdetect -y 0}} as the I2C bus address changed from 0 to 1
{{ADFImage|RASP-PCF8523-I2C-Test.gif}}
{{ambox|text= Once you have the Kernel driver running, i2cdetect will skip over 0x68 and display UU instead, this means its working!}}
{{RASP-PCF8523-TRAILER}}
{{RASP-PCF8523-TRAILER}}