Waveshare Infrared Proximity Sensor, Obstacle-Avoiding

Overview Emitting a beam of infrared, and receive the reflected beam Features wide range voltage comparator LM393 Adjustable sensitivity Signal output indicator Specifications Power: 3.3V ~ 5V Dimension: 39mm × 15.5mm (include the IR LED) Mounting holes size: 3mm Detection range: 2cm ~ 30cm (depending on the obstacles color, farthest for white) Detection angle: 35° Recommended environment: in door, to avoid the sunshine effect Applications Robot path tracking Obstacle-avoiding car Pipeline counter How to Use In the case of working with a MCU: VCC ? 3.3V ~ 5V GND ? GND AOUT ? MCU.IO (analog output) DOUT ? MCU.IO (digital output)