The emitting part of the laser sensor is a 180KHz oscillator emitted by an oscillator tube, amplified by a triode, the laser tube emits light, and the receiving part receives the returned light intensity from a matching 180KHz receiver tube. Since the laser sensor uses modulation processing, the receiving tube can only accept the reflected light of the same frequency, so the influence of visible light on the reflected laser can be effectively prevented.

 

Applications 

  • Obstacle detection 
  • Pipeline counter
  • Smart robot
  • Obstacle-avoiding car

 

Pinouts
In the case of working with a MCU:

  • VCC ↔ 3.3V (be aware of this) 
  • GND ↔ Power Supply Ground 
  • DOUT ↔ MCU.IO (digital output) 

 

Download examples

 

Attention

  • Try to avoid touching the resistors and capacitors on the board when the power is on, so as to avoid burning out the infrared emitting tube.
  • As the laser is harmful to the eyes, DO NOT irradiate the eyes directly while using.

 

Supplier Website

Question & Answer

Total 4 questions

Q: can I use this product with this sensor https://www.techshopbd.com/product-categories/diode/1729/laser-diode-5v-techshop-bangladesh Questioned by masud.an, 10-Dec-2015

No. This sensor has in built transmitter and receiver. Please see the wiki page.http://www.waveshare.com/wiki/Laser_Sensor Answered by A.R, 10-Dec-2015 11:00 AM

Q: What's the range? Questioned by omarazraf, 20-Sep-2016

http://www.waveshare.com/wiki/Laser_Sensor Answered by A.R, 21-Sep-2016 12:56 PM

Q: Dear please know me how many distance laser sensor Questioned by tanbirbhuiyan1984, 29-Jan-2017

Q: Can I use this sensor for distance measuring? Also, can I use it at an angle with the surface or does the module has to be parallel to the surface? Questioned by saminzarif01@gmail.com, 10-Mar-2023

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