Seeed Studio (101020175) Interrupter Board, with Cable, IR Distance

Product Information Accessory Type: IR Distance Interrupter Board v1.2 Kit Contents: Module and cable For Use With: Arduino Board Product Range: - Product Overview Used to detect if an object is present in front of it, the IR Distance Interrupter consists of an LED and phototransistor that detects reflected infrared light and outputs a logical HIGH or LOW depending on the distance between the surface and the sensor. Potentiometer for adjusting detection range from 90mm to 300mm TTL Digital output mode (High when black detected, Low when white) ITR9909 photo sensor 5V DC power supply Dimensions: 20x20mm