❃❃High sensitivity and stable performance, exquisite workmanship, with indicator light.
❃❃Using TCRT5000 infrared detection, has strong anti-interference ability;
❃❃Wiring: 1. VCC: Connect the positive pole of the power supply (5V) 2, GND: connected to the negative power supply 3, OUT: high / low level switching signal (digital signal 0 and 1)