Pololu's QTR-1, from their own CAD: a 7.62 × 12.70 mm board reading 1 channel, with 3 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, qtr-1, qre1113gr, qtr-1a, qtr-1rc