Before revision: The ball measures distances moved by rotating orthogonal shafts which drive optical chopper wheels turning in the slots of slotted switches.123 robotics experiments for the evil genius By Michael Predko, Myke Predko: description of wheeled mouse operation This device uses the same basic components as an opto-coupler, but is operated by manipulating the light path instead of the photoemitter input.
After revision: this is an opto switch ofr rapids online hellohansleyThe ball measures distances moved by rotating orthogonal shafts which drive optical chopper wheels turning in the slots of slotted switches.123 robotics experiments for the evil genius By Michael Predko, Myke Predko: description of wheeled mouse operation This device uses the same basic components as an opto-coupler, but is operated by manipulating the light path instead of the photoemitter input.