This is a diffused reflection laser sensor that has an integrated IR transmitter and a receiver. This sensor using light that transmit by the Laser and receive by the Infrared since the laser adopts modulation processing technology, the receiving tube can only receive the reflected light in the same frequency. Laser Sensor can detect obstacles at 0.8m (typ), 1.5m (max) the sensor has an oscillating tube that can generate a shock-wave in a frequency of 180 KHz. This sensor can be used to obstacle detection, counter devices at the pipeline, robotics, and smarts car, etc.

Required Component

  • Arduino Microcontrollers, Teensy, ESP8266, STM32F10X, NUCLEO_401RE, NUCLEO_F030R8, NUCLEO_F103RB, NUCLEO_F302R8, NUCLEO_F411RE, ATMEGA328 16/12, ATMEGA32u4 16/8/ MHz, ESP8266, ATMEGA250 16 MHz, ATSAM3x8E, ATSAM21D, ATTINY85 16/8 MHz (Note: The Diagram below is using NANO. If your using other MCU please refer to the respective pin-outs diagram)
  • Laser Sensor Module
  • Jumper Wire
  • Solder Less Bread Board

Wiring Diagram

Sketch Code

Source Code for STM32, NUCLEO


Wiring the Diffused Reflection Laser Sensor with Microcontroller
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