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This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems.The board's QRE1113 IR reflectanc..

The SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! the line dollower has been designed to follow a dark line of about ¾ inch width or smaller (spray paint or electrical tape) on a light background. Each array features vi..