Mmjoy2 — Download Updated [exclusive]

The latest official builds for MMJoy2 are available via its primary development and archival hubs. This DIY joystick controller software allows you to turn cheap Arduino boards into high-performance flight sim gear. Latest Downloads & Firmware

• Always download from MMJoy2_reloaded on GitHub.
• Use STM32CubeProgrammer for a reliable flash.
• Calibrate using the 2024 GUI for jitter-free axes.
• Join the MMJoy2 Discord (linked on GitHub) for real-time help.

• Cause: Poor wiring or interference.
• Fix: Ensure your potentiometers are grounded correctly. MMJoy2 has a "Filter" setting in the axis configuration tab to

Device Not Appearing: Ensure you are using a board with the ATmega32U4 chip. Boards like the Arduino Uno (ATmega328P) are not compatible with MMJoy2. mmjoy2 download updated

1. Short the RST and GND pins twice rapidly.
2. Your PC will detect the board as "ATmega32u4 DFU."
3. Use QMK Toolbox or Atmel FLIP to erase the old firmware.