The Sharp GP2Y0A21YK is a long range infrared proximity sensor with an analog output.
Part #GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module.
Replaces the discontinued GP2D12.