Gravity: Digital Adjustable Infrared Proximity Sensor

The DFRobot Digital Adjustable Infrared Proximity Sensor integrates a transmitter and receiver into one photoelectric switch. Its detection distance is user-adjustable. Small, easy to use, inexpensive and easy to assemble, it’s widely used in robot obstacle avoidance, interactive media, industrial assembly lines, etc. The output is high without obstacles and low with them. A red LED on its back indicates status.