Rebound sensor QTR-1A - module

Module odbiciowym QTR sensor with analog output. The supply voltage is 5 V.

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Price 8,90 zł



The product has been replaced by sensor diffusion sensor QTR-1A - module 2 PCs.




  • Supply voltage: 5.0 V
  • Current consumption: 20 mA
  • Output: analog voltage
  • The range output signal from 0 to supply voltage 5 V
  • The optimal distance of the sensor: 3 mm
  • The maximum distance of the sensor: 6 mm
  • Weight: 0.25 g
Czujnik odbiciowy
Details in the documentation.


Method of application

  • Connect the sensor output to the transmitter analog-to-digital (for example integrated in the microcontroller or analog input in Arduino).
  • Connect using the comparator directly to the contact I/O.
  • Using the built-in in some microcontrollers internal comparator.
A library for microcontrollers of the AVR family for Arduino users, facilitate maintenance of the sensor.


The scheme of the system


Schemat czujnika odbiciowego

The scheme of connection of the sensor QTR-1A on the Board. Resistor 150 Ohms limits the current flowing through the diode emits infrared. The 47K resistor, serves to lift output kolektorowego to the supply voltage VIN.


Posting the payment for the order on our account on a business day up to 13:00 means sending the goods on the same day!


The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

Bank wire

by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.