QTR-8A reflectance sensor array- analog - Pololu 960

Index: PLL-00152 EAN: 5903351249300

Strap of the eight reflecting sensors with analog outputs. It is powered with the voltage of 5 V or 3.3 V.

QTR-8A reflectance sensor array- analog - Pololu 960
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Manufacturer: Pololu
Compatibility: Arduino


  • Number of sensors: 8
  • Dimensions: 75 x 127 x 4 mm
  • Supply voltage: 5 V or 3.3 V
  • Consumption of current: under 100 mA
  • Output signal: analog
  • Output voltage range: 0 V for supply voltage
  • The optimal distance for measurement: 3 mm
  • The maximum distance for measurement: 6 mm
  • Weight: about 3 g (without connectors)


The strap can be used in robots such as linefollower (detecting the position of the line). It has a built-in MOSFET transistor that allow to disable the sensors to save energy, or change the intensity of illumination of the infrared LEDs.


There are several methods to use the output signals, e.g.:

  • built-in into microcontroller, comparator or ADC converter to measure voltages
  • using the analog comparator and the reading of the measurements in the digital form


The strap can be used via the moduleof Arduino by connecting the outputs of the sensors to the analog inputs.


If necessary, the module can be divided into two independently operating straps, just likeon the picture below:

The division requires the soldering of the only one supplied resistor.


Diagram of the module:



Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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