Photoelectric Counter Module Motor Speed Measuring Module

Function features
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 etc

5.PCB size: 24 (mm) x15 (mm)