For those looking for a more modern alternative with active development, you might also explore the FreeJoy Project , which uses more powerful STM32 microcontrollers.

Select the correct (note: this is the bootloader port, which only appears for a few seconds after hitting Reset). Click Upload Firmware .

In the tab, select the .hex file corresponding to your chip (usually ATMega32U4 ).

To use the latest MMJoy2 download, you need one of these compatible baseboards:

For those seeking legacy updates or specific older builds (like the v20161101 or v20150727 variants), the original Google Site remains a deep archive. MMJoy Project Downloads

Connect your Arduino board to your PC via USB. Ensure you have access to the Reset and GND pins to trigger the bootloader.

Ensure you are using a board with the ATmega32U4 chip. Boards like the Arduino Uno (ATmega328P) are not compatible with MMJoy2.

The most popular choice for compact builds.

Support for up to 6 encoders with adjustable timings.

Mmjoy2 Download Updated [work] ✦

For those looking for a more modern alternative with active development, you might also explore the FreeJoy Project , which uses more powerful STM32 microcontrollers.

Select the correct (note: this is the bootloader port, which only appears for a few seconds after hitting Reset). Click Upload Firmware .

In the tab, select the .hex file corresponding to your chip (usually ATMega32U4 ). mmjoy2 download updated

To use the latest MMJoy2 download, you need one of these compatible baseboards:

For those seeking legacy updates or specific older builds (like the v20161101 or v20150727 variants), the original Google Site remains a deep archive. MMJoy Project Downloads For those looking for a more modern alternative

Connect your Arduino board to your PC via USB. Ensure you have access to the Reset and GND pins to trigger the bootloader.

Ensure you are using a board with the ATmega32U4 chip. Boards like the Arduino Uno (ATmega328P) are not compatible with MMJoy2. In the tab, select the

The most popular choice for compact builds.

Support for up to 6 encoders with adjustable timings.