The Arduino Uno uses an Atmega328 chip but it isn't a "Mega". That refers to the Mega2560 board. That has a lot more pins.
I don't have any experience with I2C/SPI, so that should be fun.
The Arduino Uno uses an Atmega328 chip but it isn't a "Mega". That refers to the Mega2560 board. That has a lot more pins.
I don't have any experience with I2C/SPI, so that should be fun.