QTR-3RC Reflectance Sensor Array

QTR-3RC Reflectance Sensor Array
Pololu item #: 2457 144 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, 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.

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Dimensions

Size: 1.25″ × 0.3″1
Weight: 0.6 g2

General specifications

Supply current: 50 mA

Notes:

1
Mounting holes can be cut/ground off to decrease with to under 1″.
2
Without included optional headers.