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Crowbits-Photo Electric Counter


The Photo Electric Counter is a digital input module, it converts the optical signal into the electric signal. Due to the U-shaped design of the photoelectric sensor, it can be used as a mini door with a counting function for your circuit.



  • Digital input module
  • Easy to use
  • High sensitivity


  • Operating Voltage: 3.3V DC
  • Supply mode: Crowbits Power Module
  • Dimensions: 31.5(L)*24.5(W)*13(H) mm


1. You also need to prepare a power module, such as Crowbits-Power Supply, and an output module, such as Crowbits-LED.

2. The connection mode is shown in the figure, but the signal feet of the input module and the output module must be connected.

Crowbits-Photo Electric Counter 1.jpg

3. Then, turn on the power. When an object is detected in the U-shaped slot, the LED behind it will light up.

Crowbits-Photo Electric Counter 2.jpg