https://heelectronicslk.com/product/tcrt-5000-line-follower-sensor/
TCRT 5000 Line Follower Sensor Module | H&E Electronics
Built in a potentiometer for sensitivity control. Supply Voltage: 3.3V~5V; Size of PCB: 3.5cm x 1cm; Detected Reflection Distance: 1mm-25mm; Operation...
line follower sensormodulehelectronics