Description

Specification Details
Operating voltage 3.3–5 V DC
Detection principle Reflective infrared sensing
Typical detection range 2–30 cm, depending on object reflectivity and lighting
Detection angle Approximately 35° for reference modules
Comparator LM393-type
Output type Digital HIGH/LOW
Output behaviour Typically LOW when an obstacle is detected, HIGH otherwise
Adjustment Onboard potentiometer sets detection threshold
Connections VCC, GND and OUT
Indicators Power LED and detection-status LED
Mounting PCB mounting hole and three-pin header
Applications Obstacle-avoiding robots, object detection, item counting and proximity-triggered projects