USB Optical Rotary Joystick Made From A Zippy Joystick And A USB Mouse

I made a contraption to play arcade games which use rotary joysticks such as Caliber .50. My arcade cabinet (pedestal design) already has too many joysticks, so adding an authentic rotary joystick was not an option. I usually play games that require a regular ball top (such as street fighter), therefore, I needed a joystick…