SEN0019

    Adjustable Infrared Sensor Switch (SKU:SEN0019) Contents     1 Introduction 2 Specification 3 Tutorial 3.1 Connection Diagram 3.2 Sample Code 3.3 Result 4 Trouble shooting Introduction The DFRobot Adjustable Infrared Sensor Switch is a set of transmitter and receiver in one of the photoelectric switch sensor. The detection distance can be adjusted according to the demand. The DFRobot Adjustable Infrared Sensor Switch is small, easy to use, inexpensive, easy to assemble and can be widely used in robot to avoid obstacles, interactive media, industrial assembly line, and many other occasions. The switching signal output differs in accordance to the obstacles. It remains high when no obstacles and remains low when there are obstacles. There is also a red led on its back to indicate the sensor status. Specification     Power supply: 5V Working Current: