Module cảm biến hồng ngoại phát hiện vật cản FC-51

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Modul cảm biến hồng ngoại phát hiện vật cản FC-51

Modul cảm biến hồng ngoại phát hiện vật cản FC-51

odule circuit diagram

Module Description

The ambient light sensor module adaptable, which has a pair of infrared transmitter and receiver, launch tubes emit some infrared frequency when detecting the direction of an obstacle (reflection surface), reflected by the infrared receiving tube to receive, After comparator circuit processing, the green indicator lights up while the signal output interface output digital signal (a low-level signal), can detect knob to adjust the distance by potentiometer, the effective distance range 2 ~ 30cm, the working voltage of 3.3V- 5V. Detection range of the sensor can be adjusted via a potentiometer, with a small interference, easy to assemble, easy to use features, can be widely used in robot obstacle avoidance, avoidance trolley line count and black and white line tracking, and many other occasions.

Module Parameters

1 When the module detects obstacles in front of the signal, the green indicator light on the board level, while the OUT port sustained low signal output, the module detection distance 2 ~ 30cm, detection angle 35 °, the detection distance can be potential was adjusted, clockwise adjustment potentiometer, detects the distance increases; counterclockwise adjustment potentiometer, reduce the detection distance.

2, the sensor active infrared reflection detection, so the target reflectivity and shape is the key to the detection distance.Wherein the minimum detection distance black, white maximum; small objects away from a small area, a large area from the great.

3, the output port OUT sensor module can be directly connected to the microcontroller IO port, you can directly drive a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO

4, comparators LM393, stable;

5, can be used for 3-5V DC power supply module. When the power is turned on, the red power indicator light;

6, with the screw holes 3mm, easy fixed installation;

7, board size: 3.2CM * 1.4CM

8, each module has been shipped comparison voltage threshold adjusted by potentiometer good, non-special case, do not adjustable potentiometer.

Module Interfaces

1 VCC 3.3V-5V external voltage (can be connected directly to the 5v and 3.3v MCU MCU)

2 GND External GND

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



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