**I2C :**

[[https://learn.adafruit.com/adafruits-raspberry-pi-lesson-4-gpio-setup/configuring-i2c|Tuto I2C]]

[[https://fr.wikipedia.org/wiki/I2C|I2C]]

[[http://innovelectronique.fr/2013/03/02/utilisation-du-bus-i2c-sur-raspberrypi/|BusI2c RTC]]

[[https://elinux.org/Interfacing_with_I2C_Devices|Interfacing with I2C devices]]

**GPIO :**

[[https://github.com/waveform80/rpi-gpio| Rpi-gpio]]

**GitHub :**
[[https://github.com/adafruit/Adafruit_LED_Backpack|Adafruit_LED_Backpack]]