Infrared Obstacle Avoidance Sensor – IR Sensor Module

IR Infrared Sensor Module has the great adaptive capability of the ambient light, having a pair of an infrared transmitter and the receiver tube, the infrared emitting tube to emit a certain frequency, encounters an obstacle detection direction (reflecting surface), infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal (a low-level signal), through the potentiometer knob to adjust the detection distance, the effective distance range 2 ~ 10cm working voltage of 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 occasions.

To know more about the working of IR Sensor read IR Sensor Working here

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Features of IR Sensor Module :

• Easy to assemble and use
• Onboard detection indication
• The effective distance range of 2cm to 80cm
• A preset knob to fine-tune distance range
• There is an obstacle, the green indicator light on the circuit board.
• When the module detects obstacles in front of the signal, the circuit board green indicator light level, while the OUT port continuous output low-level signals, the module detects a distance of 2 ~ 10cm, detection angle 35 °, the detection distance can be a potential adjustment with adjustment potentiometer clockwise, the increase in detection distance; counter-clockwise adjustment potentiometer, the detection distance decreased.
• the sensor active infrared reflection detection, target reflectivity, and shape of the detection distance of the key. The black minimum detection range, white maximum; small area object distance is small, a large area from the large.
• The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay;
• 3-5V DC power supply module can be used. When the power is turned on, the red power LED is lit.
• With the screw holes of 3mm, easy to install.

Interface (3-wire):-

• VCC external 3.3V-5V voltage (can be directly connected with the 5v microcontroller and 3.3v microcontroller).
• GND external GND.
• OUT board digital output interface (0 and 1).