The Apple II joystick used a somewhat odd analog potentiometer design – the idea being that when you pushed the joystick far enough, it’d register as a move (probably with an eye towards ...

“Whereas a potentiometer joystick is nearly guaranteed to fail eventually, a Hall-Effect joystick could hypothetically last the entire lifetime of the controller.” Hall-effect sensors can ...

The throw of the joystick is limited by [Tom]’s legs and chair, with only 12° of travel in either axis, which is too small to allow for high resolution with a potentiometer. Instead ...