Connect your Arduino board to your PC via USB. Ensure you have access to the Reset and GND pins to trigger the bootloader.
To use the latest MMJoy2 download, you need one of these compatible baseboards: mmjoy2 download updated
Download and unzip the MMJoy2 package. Run JoySetup.exe . Flash Firmware: Connect your Arduino board to your PC via USB
Select the correct (note: this is the bootloader port, which only appears for a few seconds after hitting Reset). Click Upload Firmware . mmjoy2 download updated