If you want the of MMJoy2 (as of early 2025), ignore the old blogspots. Use these two verified sources:
If you're building a custom flight sim cockpit, a DIY button box, or a budget-friendly HOTAS setup, downloading an updated version of MMJoy2 is your first step toward turning a standard Arduino into a powerful HID gaming controller. Created by "MegaMOZG," MMJoy2 is a flexible, no-coding-required firmware that has become the gold standard for DIY peripherals in communities like IL-2 Sturmovik and DCS World. Where to Download MMJoy2 (Latest & Legacy Versions) mmjoy2 download updated
If you are updating from an older version: If you want the of MMJoy2 (as of
If you have already downloaded a file called “MMJoy2 download updated.exe” or similar from a non‑GitHub site: Where to Download MMJoy2 (Latest & Legacy Versions)
While the is perfect for most DIY projects, consider these if you need different hardware: