/challenges-projects/project14/offtheshelf/b/blog/posts/arduino-nano-as-raspberry-pi-io-i2c-expander-part-3---python-voodoo---the-i2c-bus---byte-meOff the shelf Part 3 - Getting the I2C to talk there are several simple examples of Raspberry Pi to Arduino I2C on the webIn studying them, I'd selected on in particular example that was a best fit:demonstrated both data read & writeuse...en-USTelligent Community 12