Infrared proximity sensor made by Sharp. 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.

Specifications

• Distance measuring range : 10 to 80 cm
• Analog output type
• Package size : 29.5x13x.5 mm
• Consumption current : Typ. 30 mA
• Supply voltage : 4.5 to 5.5 V