The QTR-1RC reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The output is designed to be measured by a digital I/O line. This sensor is sold in packs of two units.
Compare all products in Pololu QTR Reflectance Sensors.
0.3″ × 0.5″ × 0.1″1
- Without optional included header pins.
- For a single sensor without included optional header pins.