3pcs IR Infrared Obstacle Avoidance Sensor Module Arduino DIY Smart Car Robot



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The light sensor module have strong adaptable to the environment, having a pair of infrared transmitter and receiver, transmitter launch a certain frequency infrared, when meet obstacle in the detection direction,
the infrared receiver is reflected back by the receiver tube, after processing through the comparator circuit, the green indicator light will illuminate while the signal output interface output digital signal (a low-level signal) can be adjusted via potentiometer knob detection distance, the effective distance range 2 ~ 30cm, working voltage is 3.3V-5V.
The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other examples.

1. VCC external 3.3V-5V voltage (5v microcontroller and can be directly connected to 3.3v MCU);
2. GND an external GND;
3. OUT small board digital output interfaces (0 and 1);

PCB Color: Blue
Dimensions: approx. 3.2CM*1.4CM

Package includes:
3 x IR Infrared Obstacle Avoidance Sensor Module

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Additional information

Weight 0.1875 lbs
Dimensions 8 x 5 x 2 in


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