Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...
Wiring (NeoGeo USB Adapter) Wiring (Atari/Commodore/Amiga USB Adapter) Programming the Arduino Download the free Arduino IDE: https://www.arduino.cc/en/main/software Connect the Arduino Pro Micro to a ...