Communication
Pololu Raspberry Pi I2C Slave Arduino library
This library helps set up a Pololu A-Star or Romi as an I2C slave for use with the Raspberry Pi.
Maintainer: Pololu
This library is compatible with the avr architecture so you should be able to use it on the following Arduino boards:
Note: while the library is supposed to compile correctly on these architectures, it might require specific hardware features that may be available only on some boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.