Infrared Encoder Module (Compatible Disc Encoder)

Specifications : 1. the onboard LM393 voltage comparators and a photoelectric counting sensor chip 2. support 5V/3.3V input voltage 3. on-board signal output indicator, the output signal can be directly and single-chip IO connection 4. can be used for counting, motor speed 5. PCB size: 24 (mm) x 15 (mm)