After a marginally successful attempt at building a “wireless MAME” device using an old keyboard, I decided it was time to bite the bullet and simply buy an encoder. Although the original setup did work as a wireless controller for very simple games like Pacman and Galaga, any more than 6 buttons (including four for the joystick) seemed to be beyond the capabilities of my controller (at least how I had it set up).
A quick search for MAME encoder reveals quite a few sources of encoders to substitute for your hacked-up keyboard. I finally settled on “Groovy Game Gear’s” GP-Wiz40 encoder because you could buy it prewired for your buttons with spade connectors (no solder required). Also, it has rotary encoder support which may be useful at some point in the future. I bought wiring for up to 30 switches Read more »






