Pololu QTR-3RC Reflectance Sensor Array
Pololu QTR-3RC Reflectance Sensor Array
Pololu QTR-3RC Reflectance Sensor Array
Pololu QTR-3RC Reflectance Sensor Array
Pololu QTR-3RC Reflectance Sensor Array
Pololu QTR-3RC Reflectance Sensor Array

Pololu QTR-3RC Reflectance Sensor Array

PololuSKU: RB-Pol-1223
Manufacturer #: 2457
Price  :
£6.89

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Description

  • Pololu QTR-3RC Reflectance Sensor Array
  • Features precise line detection
  • Operates at 5.0 V with 50 mA current
  • Measures 1.25" × 0.3" × 0.1"
  • Offers optimal 0.125" sensing range
  • Includes 3 IR LED/phototransistor pairs

The Pololu QTR-3RC Reflectance Sensor Array is a compact module designed for line-following robots, featuring three IR LED/phototransistor pairs on a small board. Each sensor provides a digital I/O-measurable voltage output, allowing for precise detection of lines or proximity. The sensors are spaced at 0.375 inches, making them ideal for courses using black electrical tape. The module operates by charging the output node and measuring the decay time of the voltage, which indicates reflectance levels. This method enhances sensitivity and allows parallel reading with most microcontrollers.

  • 1x Pololu QTR-3RC Reflectance Sensor Array
  • 1x 1×5 Straight male header strip
  • 1x 1×5 Right-angle male header strip
  • 32 x 8 x 3 mm (1.25 x 0.3 x 0.1")

PDF File

  • Operating voltage: 5.0 V
  • Supply current: 50 mA
  • Output format: 3 digital I/O-compatible signals readable as a timed high pulse
  • Optimal sensing distance: 3 mm
  • Maximum recommended sensing distance: 6 mm
  • Weight without header pins: 0.6 g

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