ControlFreak Collection of firmware and schematics for connecting retro Joysticks and Gamepads to USB port. The base circuit uses a cheap Arduino Pro Micro that come up with an ATMega32U4 chip that ...

Meanwhile, the Arduino Mega is getting the same USB chip along with an ATMega2560 processor with twice the memory. Right now only 128K is available, but that's a software limitation and they're ...