Sparkfun Electronics QRE1113 Line Sensor Breakout Board, Digital

Breakout board for the QRE1113 sensor with a digital output, which is ideal for line sensing robots and similar applications where only digital I/O are available. The sensor can be used in both 3.3V and 5V systems The IR reflectance sensor is comprised of two parts: an IR emitting LED and an IR sensitive phototransistor The output of the phototransistor is tied to a 10nF capacitor and the faster that capacitor discharges, the more reflective the surface is White surfaces reflect much more light than black; so when directed towards a white surface, the capacitor will discharge faster than on a black surface 3mm Optimal sensing distance 5V DC Operating voltage, 25mA supply current Power input and output pins are brought out to a 3 pin, 0.1" pitch header For more permanent installation, the board has a single mounting hole Dimensions 7.6x14mm Breakout board only