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QTR-8A Reflectance Sensor Array
QTR-8A Reflectance Sensor Array - Image 2
QTR-8A Reflectance Sensor Array - Image 3
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QTR-8A Reflectance Sensor Array

This sensor module has 8 IR LED/phototransistor pairs mounted, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate analog voltage output.

₨ 549 ₨ 1,081

Specifications:

  • Dimensions: 2.95 x 0.5 x 0.125 (without header pins installed)
  • Operating voltage: 3.3-5.0 V
  • Supply current: 100 mA
  • Output format: digital I/O compatible
  • Optimal sensing distance: 0.125 (3 mm)
  • Maximum recommended sensing distance: 0.25 (6 mm)
  • Weight without header pins: 0.11 oz (3.09 g)
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