Inter-Processor Comms

Below please find links to information on using I2C and SPI to communicate between Arduinos and RPis. There are others and I’ll post as able.

I2C

• i2c.info
• https://create.arduino.cc/projecthub/…
• http://www.instructables.com/id/I2C-between-Arduinos/
• http://www.robot-electronics.co.uk/i2c-tutorial
• https://learn.sparkfun.com/tutorials/i2c
• https://www.youtube.com/…
• https://blog.adafruit.com/…
• https://gist.github.com/carlosefr/5849220

SPI

• http://www.circuitbasics.com/basics-of-the-spi-communication-protocol/
• https://projects.drogon.net/understanding-spi-on-the-raspberry-pi/

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