QTR-MD-06RC Reflectance Sensor Array: 6-Channel, 8mm Pitch, RC Output

PololuSKU: EXP-R25-1286

Sale price5,22 €

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Manufacturer number: 4146
Customs tariff number: 90275000
Country of origin: US

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This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 40 mm. This version features the traditional-style QTR sensors without lenses.


  • Size: 45.0 × 20.0 × 2.5 mm
  • Weight: 2.6 g
  • Maximum range: 40 mm
  • Optimal range: 5 mm
  • Minimum operating voltage: 2.9 V
  • Maximum operating voltage: 5.5 V
  • LED current: 30 mA
  • Peak wavelength: 940 nm
  • Maximum current draw: 93 mA
  • Sensor type: QTR
  • Sensor pitch: 8.0 mm
  • Sensor count: 6
  • Output type: RC (measurable by digital I/O)

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That depends on where you are. After the order has been handed over to UPS, the delivery time in Germany is about 2-3 days, within Europe about 1 week.

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