QTR-HD-31 Reflectance Sensor Array

Pololu's QTR-HD-31, from their own CAD: a 125.00 × 16.50 mm board reading 31 channels on a 4 mm pitch, with 40 pads on the 0.1 inch pitch. The A (analog) and RC (digital) versions share this board.

One of the QTR Reflectance Sensor family.

Made by
Pololu
Kind
Circuit board (PCB)
Licence
CC-BY-SA-4.0
Keywords
pololu, qtr, reflectance, sensor, line, infrared, ir, follower, hd, qtr-hd-31, analog, rc
Overall size (X × Y × Z)125 × 16.5 × 3.1 mm
PCB size125 × 16.5 mm
PCB thickness1.6 mm
Mounting holes4 × Ø2.2 mm
Through-hole pads40
Components125
Functionreflectance sensor
Supply voltage2.9-5.5 V
Current495 mA max
Channels31
Rangeup to 50 mm (5 mm optimal)
Weight8.5 g
Pitch4 mm

    Variations

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