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QTR-3RC Reflectance Sensor Array

Pololu item #: 2457 185 in stock
Brand: Pololu
Status: Active and Preferred 
RoHS 3 compliant
 Free add-on shipping in USA 
This item could qualify for free shipping Free shipping in USA over $40 

Price break Unit price (US$)
1 4.95
5 4.25
25 3.75
100 3.49


backorders allowed

This compact module packs three IR LED/phototransistor pairs onto a 1.25″ × 0.3″ board. The sensors are mounted on a 0.375″ pitch, allowing this array to be used as a minimal detector for a line-following robot. Each sensor provides a separate digital I/O-measurable voltage output.

 Description Specs (3) Pictures (7) Resources (11) FAQs (0) On the blog (8) 

QTR-3RC reflectance sensor array.

QTR-3A or QTR-3RC reflectance sensor array, bottom view with dimensions.

QTR-3A or QTR-3RC reflectance sensor array on a 3/4" line with a quarter for size reference.

QTR-3A or QTR-3RC reflectance sensor array with included header pins.

QTR-3A and QTR-3RC reflectance sensor arrays soldered in different orientations.

QTR sensor size comparison. Top row: QTRX-HD-07, QTR-HD-07; middle row: QTR-3, QTR-1, QTR-L-1; bottom row: QTR-8.

Schematic diagram for the QTR-3RC reflectance sensor array.


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