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

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.

 

Availability:
In Stock
Product Code:
VT-2623
Brand:
Pololu
QAR69.00
Voltaat
Update Last Updated: 2026-04-25 11:28:53
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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

 

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