Smart car barrier avoidance sensor module infrared tube module photoelectric reflection sensor infrared barrier avoidance customize

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Module description

The sensor module has strong adaptability to ambient light, it has a pair of infrared emission and receiving tube, the transmitter tube emits a certain frequency of infrared, when the detection direction encountered obstacles (reflection surface), infrared reflection back to be received by the receiving tube, after comparator circuit processing After that, the green light lights up and the signal output interface outputs a digital signal (a low-level signal) that adjusts the detection distance via the potentialr knob, with an effective distance range of 2 to 30cm and an operating voltage of 3.3V-5V. The detection distance of the sensor can be adjusted by the potentometer, with small interference, easy assembly, easy to use and so on, can be widely used in robot barrier avoidance, barrier avoidance car, pipeline count and black and white line tracking and many other occasions.

 

Description of module parameters

 

1 When the module detects the front obstacle signal, the green light on the circuit board lights up the level, while the OUT port continuously outputs the low level signal, the module detection distance is 2 to 30cm, the detection angle is 35 degrees, the detection distance can be adjusted by the potential device, clockwise adjust the potential device, the detection distance increases;

2. The sensor detects by active infrared reflection, so the reflectivity and shape of the target are the key to the detection distance, in which the black detection distance is small and the white detection distance is large. A small object has a short distance, but a large object has a large distance.

3, the sensor module output port OUT can be directly connected with the microcontroller IO port, can also directly drive a 5V relay; GND-GND;OUT-IO

4, comparator using LM393, stable work;

5. The module can be powered by 3-5v DC power supply. When the power is on, the red power indicator light is on;

6. With 3mm screw hole, easy to fix and install;

7. Circuit board size: 3.2cm * 1.4cm

8. The threshold comparison voltage of each module has been adjusted by potentiometer at the time of delivery. Please do not adjust potentiometer at will unless it is a special case.

 

Module interface description

 

1 VCC is externally connected with 3.3V-5V voltage (it can be directly connected with 5v MCU and 3.3v MCU)

2 GND external GND

3 out small board digital output interface (0 and 1)

 

Shipping list

 

1 A piece of the barrier-avoidance sensor module as shown

 

 

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