Pololu QTR-8RC Reflectance Sensor Array - 8 Channel Digital Output

QAR 69.00/ unit

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Description

The Pololu QTR-8RC Reflectance Sensor Array is an infrared sensing module designed for line detection, edge sensing, and short-range proximity measurement in robotics and automation systems. It integrates eight IR LED and phototransistor pairs that provide independent digital outputs compatible with standard microcontroller I/O. Operating from 3.3–5 V, the array offers reliable reflectance detection with optimal performance at around 3 mm distance. Its compact breakable PCB design allows flexible placement and easy integration into line-following robots and embedded control systems. Features • 8 infrared LED and phototransistor sensing channels • Independent digital outputs for each sensor channel • Compatible with standard microcontroller digital inputs • Operating voltage range 3.3–5 V • MOSFET control for switching LED emitters on or off • Series LED configuration reduces power consumption • Breakable PCB design for flexible sensor spacing • Compact form factor suitable for robotics platforms QTR-8A and QTR-8RC Reflectance Sensor Array User’s Guide by pololu.com • 3D model from grabcad.com Tutorials • Building Line Following and Line Maze Courses at pololu.com