IR Obstacle Avoidance


• There is an obstacle, the green
indicator light on the circuit
• Detection distance: 2 ~ 30cm
• Detection angle: 35 °
• Comparator chip: LM393
• 3mm screw holes for easy



This Infrared Obstacle Avoidance Sensors Module has a built-in IR transmitter and IR receiver that sends out IR waves and then looks for the reflected IR waves to detect the presence of any objects in front of the sensor module. The module has an on board potentiometer that let users adjust the detection range. This sensor can be
used in light and complete darkness.


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