To connect the arcade controls to the Pi (or your PC) you’re going to need a USB encoder. These encoders convert the presses of the buttons into keystrokes on an keyboard that MAME and other emulators can understand. Read More… Join The Geek Pub Guild!
Some prefer their arcade buttons to light on press, while other prefer them to be always on. Reversing the LED operation on the Sanwa Arcade buttons is relatively simple.