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. A replacement module for the GP2D12.
- Power Supply: 4.5 VDC - 5.5 VDC
- Current: 30m A
- Distance range: 10-80 cm
- Interface output: analog voltage