This is TCRT 5000 Dual Channel Line Tracking sensor module.
- Operating Voltage: 3.5V-5V
- Supply Current: 15mA
- Optimal Sensing Distance: 3mm
- Designed with the reflected infrared sensor, and indicator light.
- Built-in a potentiometer for sensitivity control.
- On-board LM393 voltage comparator chip and infrared sensing probe TCRT5000L
- Signal detection sensitivity can adjust
- Reserve all the way more circuits (P3 voltage drawn)