ALLNET 4duino Light Barrier light barrier Description:

Singal output display Single path and digital signal output Low level of the useful signal Sensitivity not adjustable Use based on the number of units Monitoring and motor speed determination
Feature:
Size: 32mm(L) x 11mm(H) x 20mm(W) Main chip: LM393, correlation infrared head Operating voltage: DC 5V
Installation instructions:
The OUT pin is low level when there is no object between the light barrier and the red LED lights up. The OUT pin is high when there is no object between the light barrier and the red LED turns off. The OUT port can be connected with MCU directly.
Scope of delivery:
1x 10mm light barrier infrared counter sensor module