======== I2C - SPI ========

==== I2C ====
[[https://www.aurel32.net/elec/i2c.php| Norme I2C ]]

[[https://www.az-delivery.de/fr/blogs/azdelivery-blog-fur-arduino-und-raspberry-pi/esp32-beide-i-c-schnittstellen-verwenden | ESP32 : utilisez les deux interfaces I²C]]


==== SPI ====

[[https://www.digikey.fr/fr/articles/why-how-to-use-serial-peripheral-interface-simplify-connections-between-multiple-devices| Definition SPI ]]

[[https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/spi_master.html| SPI Master EN ]]

[[https://abainia.info/teaching/communication-protocols/CPr_TP_2.pdf |Utilisation du protocole SPI]]

[[https://github.com/PaulStoffregen/SPI|Librairie SPI Arduino]]

[[https://github.com/espressif/arduino-esp32|Librairie SPI Arduino/ESP32]]

[[https://www.arduino.cc/reference/en/libraries/esp32dmaspi/|Librairie esp32DMASPI]]

[[https://www.raspberryme.com/communication-esp32-spi-broches-spi-multiples-peripheriques-arduino/|Multiple SPI ESP32]]

==== SPI sur ESP32 ====

[[start:arduino:esp32:spi:|Bus SPI sur ESP32]]

=== Multiples Peripheriques SPI sur ESP32 ===

[[start:arduino:esp32:i2c_spi:multiple|Multiples Peripheriques SPI sur ESP32]]