QTR-3A Reflectance Sensor Array

QTR-3A Reflectance Sensor Array
Pololu item #: 2456 294 in stock

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, making this array a great minimal sensing solution for a line-following robot. Each sensor provides a separate analog voltage output.

 Description Specs (3) Pictures (7) Resources (8) FAQs (0) On the blog (2) 


Size: 1.25″ × 0.3″1
Weight: 0.6 g2

General specifications

Supply current: 50 mA


Mounting holes can be cut/ground off to decrease with to under 1″.
Without included optional headers.

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