ORIGINAL ATARI ARCADE SPINNER KNOB WITH OPTIC WHEEL FOR TEMPEST, WARLORDS GAMES | #1870712030
Atari-like USB Spinner Using Arduino Leonardo : 4 Steps - Instructables
Atari - Branded USB Spinner
Need help with wiring grs spinner mod on Atari 12in1. I cannot get the trackball and spinner both working even with the interface board?? : r/Arcade1Up