Catalog > Internet of Things (IOT) Related Products > More Platforms Obstacle Avoidance Sensor Module Obstacle Avoidance Sensor Module HKD KEYES IR OBSTACLE SENSOR Obstacle Avoidance Sensor Module. IR (Infrared) Sensor Switch Module with 3.3~5V Range and Working Range of 2~4cm 14.87 ZAR inc for 1 Each 31 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This IR sensor module has the infrared emitter and receiver module with 2-40cm adjustable detecting distance. You can use it to DIY the smart car obstacle avoidence systemor or black and white line tracking system Specifications Working Voltage : DC 3.3V-5VWorking Current : ≥ 20mADetection Distance : 2-4cmIO Interface : 3-wire Interfaces (G/V+/S)Output Signal : TTL level (low level there is an obstacle, no obstacle high)Effective Angle : 35°