![Photoelectric counter module, motor speed measuring module Photoelectric counter module, motor speed measuring module](https://www.bifelectronic.com/2603-large_default/photoelectric-counter-module-motor-speed-measuring-module.jpg)
Photoelectric counter module, motor speed measuring module
1.The on board 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)