Infrared Barrier Module  Sensor Black And White Line Recognition Distance Adjustable

Infrared Barrier Module Sensor Black And White Line Recognition Distance Adjustable

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Brand new and high quality.
Module description
The sensor module has a strong ability to adapt to the ambient light, which has a pair of infrared emission and receiving tube, the launch tube emits a certain frequency of infrared, when the detection direction encountered obstacles (reflection surface), the infrared reflection back to be received by the receiving tube, After the comparator circuit is processed, the green indicator light will be on, and the signal output interface outputs the digital signal (a low level signal). The detection distance can be adjusted by the potentiometer knob, the effective distance range is 2 ~ 30cm, the working voltage is 3.3V- 5V. The detection distance of the sensor can be adjusted by the potentiometer, with the interference is small, easy to install, easy to use and so on, can be widely used in robot obstacle avoidance, obstacle avoidance car, pipeline count and black and white line tracking and many other occasions.

Module Parameter Description
1 When the module detects the front obstacle signal, the green indicator light on the board lights up, and the OUT port continuously outputs the low level signal. The module detects the distance of 2 ~ 30cm, the detection angle is 35 °, the detection distance can pass the potential Device to adjust the clockwise potentiometer, the detection distance increases; counterclockwise adjustable potentiometer, the detection distance is reduced.
2, the sensor active infrared reflection detection, so the target reflectivity and shape is the key to detect the distance. Which black detection distance is the smallest, the largest white; small area of ​​the object distance is small, large area distance.
3, the sensor module output port OUT can be directly connected with the microcontroller IO port can also directly drive a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO
4, the comparator using LM393, stable;
5, can be used 3-5V DC power supply to the module. When the power is on, the red power light is on;
6, with 3mm screw holes, easy to install, install;
7, the circuit board size: 3.2CM * 1.4CM
8, each module has been in the delivery of the threshold voltage comparison through the potentiometer adjustment, non-special circumstances, do not arbitrarily adjust the potentiometer.

Module interface description
1 VCC external 3.3V-5V voltage (can be directly connected with the 5v microcontroller and 3.3v microcontroller)
2 GND External GND
3 OUT small board digital output interface (0 and 1)

Package Included:
1 x pcs