QTR-1A Reflectance Sensor (2-Pack)

While supply lasts
QTR-1A Reflectance Sensor (2-Pack)
  • QTR-1A reflectance sensors. 100x80
  • QTR-1A reflectance sensors with included optional header pins. 100x80
  • QTR-1A and QTR-1RC reflectance sensors plugged into a breadboard in two possible orientations. 100x80
  • QTR-1A reflectance sensor on a quarter for size reference. 100x80
  • QTR-1A reflectance sensor schematic diagram. 100x80
  • QTR-1A output 1/8" away from a spinning white disk with a black line on it. 100x80
  • QTR-1A output 3/8" away from a spinning white disk with a black line on it. 100x80
  • QTR-L-1RC reflectance sensor on a quarter next to a QTR-1A reflectance sensor. 100x80
  • QTR sensor size comparison. Clockwise from top left: QTR-3RC, QTR-1RC, QTR-L-1RC, QTR-8RC. 100x80
Item numberPololu2458
BrandPololu
Model2458
Stock
Only ... pieces left in stock , while supply lasts
Ordered before 23:59, shipped today.
Shipped from  € 2,95 - Nederland

Description

The Pololu QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair. The phototransistor is connected to a pull-up resistor to form a voltage divider that produces an analog voltage output between 0 V and VIN (which is typically 5 V) as a function of the reflected IR. Lower output voltage is an indication of greater reflection.

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