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Laser Receiver Sensor Module Non-modulator Tube Laser Sensor Module

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PCB size:1.52*2.22cm/0.6*0.9inch.
work voltage:5V
output high level when receive laser signal;
output low level when not receive laser signal.
This laser recevier is a NON-MODULATED laser sensor so it is very sensitive to ambient light. Sunlight and other lights will interfere with its normal operation. Please keep the sensor in dark environment.

5V laser sensor board outputs a high level when it detects laser, otherwise, it outputs a low level. We wired the laser sensor board and a 5V power supply and a relay board as the above photos showed. When a laser is irradiated on the sensor board, it will output a high-level signal to the relay board, and the LED light of the relay will light up and start to work.

This laser recevier is a NON-MODULATED laser sensor so it is very sensitive to ambient light. Sunlight and other lights will interfere with its normal operation. We do this test in a dark room.

Test 1:

  • Let the sensor detect the laser from front
  • Result: Relay board receives signal and starts working

Test 2:

  • Let the sensor detect the laser from back
  • Result: Relay board receives signal and starts working

Some solutions to the ambient light issue

As we have repeatedly emphasized, this module is very sensitive to ambient light, so it is necessary to take some measures to block the ambient light. Here are some of our buyers' solutions that effectively block ambient light interference to make the module work well. We thank them for sharing!

1.Use a black plastic project enclosure Sensitivity is high, so it is necessary to block off ambient light or it will be overwhelmed by ordinary room light. I used a black plastic project enclosure with a small hole drilled in the end. Placing the module inside the box, moving the sensor some distance from the hole attenuates ambient light reaching the sensor. This sets Day/Night threshold, and prevents stray light triggering. A Laser light beam projected through the hole triggers the sensor quite well regardless of internal distance.

2.With a black straw They do get triggered by sunlight/incandescent/and many others (just cuz sunlight et al have plenty of 650nm light).But if you properly cover it (like with a black straw) it works just great.

3. Put sensor on the back to point the other way. They are sensitive to visible light.

4.A small 3D printed enclosure One important point that I took for granted is that I mounted these in a small 3D printed enclosure that only allows light directly in the front. That obviously helps with the ambient light issue.


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1. Yanwen / YunExpress / 4PX / China Post Airmail Service

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $5 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. DHL/FedEx Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact

(2) Shipping Time & Delivery Time

Shipping time: 1-3 days
Delivery time: 5-10 working days (about 1-2 weeks) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver , please pay attention to the arriving time of the package. 


1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from
4) Track the order which with tracking number via below links:

YunExpress / Yanwen / China Post:


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Laser Receiver Sensor Module Non-modulator Tube Laser Sensor Module