This is a speed sensor, the major goal is to check the rate of motor. It was widely used in motor speed detection, pulse count, the position limit, etc.
Specification:
- Groove width: 10 mm.
- Operating voltage: 3.3 V to 5 V
- Output: Digital switch output (0 and 1)
- PCB size: 2.3 cm x 2cm
- Uses the LM393 wide voltage comparator
