Optical Tachometer for Bedini 3-pole Kit

by liquidbuddha

Optical Tachometer for a Bedini 3-Pole Monopole motor kit. Bolts onto the existing extra holes, with nylon screws. Designed for 5mm IR LED & IR photo-transistor, with 5mm LED plastic holders (both from Radio Shack). There is a small channel for wires, for the back side LED or Sensor.