1PCS Smart Electronics Smart Car Robot Reflective Photoelectric 3pin IR Infrared Obstacle Avoidance Sensor Module Diy Kit
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Module description
The sensor module light is adaptable to the environment, it has a pair of infrared transmitting and receiving tube, tube infrared emitting a certain frequency, when detecting direction meet with obstacles (reflecting surface), infrared reflection was closed tube, after the comparator circuit processing, green indicator will light up, at the same time signal output interface and output digital signal (a low level signal), can be adjusted through the potentiometer knob detection distance, effective distance range 2 ~ 30 cm, the working voltage of 3.3 V to 5 V.The detection range of the sensor can through the potentiometer to adjust and have small interference, easy to assemble, easy to use, etc, can be widely used in robot obstacle avoidance, obstacle avoidance car, line count and black and white line tracking and so on many occasions.
Module parameters that
1 when the signal module detects obstacles ahead, the green indicator on the circuit board light level and at the same time the OUT port output low level signals continuously, the module testing from 2 ~ 30 cm, 35 Angle detection, detection distance can be adjusted through the potentiometer, clockwise adjust potentiometer, detection distance increases;Counter-clockwise adjust potentiometer, reduce the detection distance.
2, active infrared reflection detecting sensor, so the target reflectivity and shape is the key of the detection range.One black minimum detection range, white biggest;Small area of the object distance, large distance.
3, the sensor module output port OUT can be directly connected to the microcontroller IO port, also can drive a 5 v relay directly;Connection mode: the VCC - VCC;GND - GND;The OUT - IO
4, the comparator USES the LM393, work stability,
5, can be used for 3 to 5 v dc power supply for power supply module.When power on, the red power indicator light;
6, 3 mm screw holes, easy fixed, installation;
7, circuit board size: 3.2 CM * 1.4 CM
8, each module in the delivery already compare threshold voltage through the potentiometer to adjust good, not special circumstances, please do not arbitrarily adjust potentiometer.
Module interface specification
1 VCC external 3.3 V to 5 V voltage (which can be directly connected to 5 V microcontroller and 3.3 V microcontroller)
2 GND external GND
3 OUT small plate digital output interface (0 and 1
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