Infrared range finder 10cm (~4") to 80cm (~30") Analog interface Lead free, ROHS compliant Replaces the discontinued GP2D12 Read the distance of the object in front of your robot. The Sharp GP2Y0A21YK0F IR Range Sensor - 10cm to 80cm takes a continuous distance reading and reports the distance as an analog voltage with a distance range of 10cm (~4") to 80cm (~30"). The interface is 3-wire with power, ground and output. This sensor requires a SIRC-01 Sharp GP2 IR Sensor Cable - 8". We also carry Bracket Pair for Sharp Range Sensor - Parallel, Bracket Pair for Sharp Range Sensor - Perpendicular and Bracket Pair for Sharp Range Sensor - Multi-Option brackets designed for this sensor. Features: Less influence on the color of reflective objects, reflectively Line-up of distance output/distance judgment type Detecting distance: 10cm to 80cm External control circuit is unnecessary Low cost Applications: TVs Personal computers Cars Copiers