Install arduino-mighty-1284p by entering the following commands in the terminal:
sudo apt update sudo apt install arduino-mighty-1284p
Description:
Platform files for Arduino to run on ATmega1284P
Supported platforms: Mighty 1284p using Optiboot Original Mighty 1284p
Homepage: https://github.com/wijnen/mighty-1284p
Version: 1-3
Section: universe/electronics