Pololu Pololu QTR-HD-07RC Reflectance Sensor Array

The Pololu QTR-HD-07RC Reflectance Sensor Array is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. Pololu QTR-HD-07RC Reflectance Sensor Array with 7 sensors (4mm pitch); Features the traditional-style QTR sensors without lenses; Optimal range: 5 mm / Maximum range: 40 mm; LED current: 30 mA / Maximum current draw: 125 mA; Peak wavelength: 940 nm; Output type: RC (measur...