Pololu QTR 8RC Reflectance Sensor Array

LKR 1,000

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This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, 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 digital I/O-measurable output. 

  • Current 100 mA
  • Distance Range Optimal sensing distance - 3 mm
  • Maximum recommended sensing distance - 9.5 mm
  • I/O Pins 8 digital I/O-compatible signals that can be read as a timed high pulse
  • Length x Width x Height 75mm x 13mm x 3.2mm
  • Operating Voltage 3.3V ~ 5.0 V
  • Response Time 10 μs
  • Special Features Turn on IR LEDs (optional)
  • Turn off IR LEDs (optional)
  • Weight 3.09 g

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