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4Pcs XH-M131 Light Automatic Control Module 12V Light Control Relay Light Switch Photosensitive Resistor Module
XH-M131 DC 12V Light Control Switch Photoresistor Relay Module
- Light threshold can be adjusted by potentiometer to set the relay start;
- Using the photoresistor induction light intensity comes with the relay, direct control load;
- Distribution bit sensitivity adjustment, start relay threshold set by adjusting potentiometer, when the dark this threshold, the module relay is energized, bright this threshold, the relay release;
- 12 V power input is designed for relay board regulator transistor to provide sensor Used to make the product more stable and reliable;
- onboard optocoupler isolation drive relay, the effective protection of the chip to make the product more reliable work;
- Has four fixed bolt hole for easy installation.
Size and quantity
- Product size: 53*31*19MM
- Package included: 4 x Control module
Nikkita Matata
Reviewed in the United States on August 4, 2024
It worked just like I hoped. No issues with it working right away, easy to work with. Good price which helped me like it more.
Stephen
Reviewed in the United Kingdom on August 16, 2024
These are good working light sensors. Unfortunately I wanted ones that turn the current on when dark, these only connect the current in daylight so no good to me. But they are well made and fit for the purpose they are intended for.
Mitch
Reviewed in the United States on January 23, 2024
These may work well for bright light to no light but in between (like the transition from day to night) these rapidly oscillate until the ambient light gets dark enough.
krellmusician
Reviewed in the United States on March 8, 2023
Enter "XH-M131" into your search engine. You can thank me later...
Steve
Reviewed in the United States on February 22, 2023
Small and compact for what I need
gig2000
Reviewed in the United States on September 15, 2022
Like the quality and ease of use. Photo sensor has 12" lead for remote mounting, longer available or could just splice in some 20 gauge wire. Circuit board has small writing denoting relay outputs and power inputs. There were NO instructions but I am familiar with electronics so no problem for me. When power on there is a lighted red LED and relay off another blue LED. When relay activated by light the blue relay goes out and red remains on always as long as power to board. Nice feature is the variable resistor pot that can tune the amount of light needed to turn on the relay. Relay is SPDT so can decide if you want the relay to turn something on or off with light on sensor. Do not know how long it will last but will protect board from elements so will see.
Topdeep Ice Maker
Reviewed in the United States on March 29, 2022
Product works great with the exception one of the eight I received had the relay screw terminal mounted backwards. There was no way to make a connection. Fix was simple, de-solder the screw terminal, turn it around and re-solder. Other than that, I would recommend this product.
JG
Reviewed in the United States on November 29, 2021
This is useful for a break-beam circuit and can also be used for open/shut detector or many other light sensitive circuits. The adjusting resistor could be a bit more precise, however it works fine. You can also substitute different photocells (light sensitive cells, cds cells, etc) to allow for use in lower light situations or for use where the light source will be more distant from the detector, and you can locate the unit a great distance from the detector piece if needed. Seller very good to deal with.
Customer
Reviewed in the United States on December 4, 2020
These modules work very well. They are well built!
John Stock
Reviewed in the United Kingdom on November 2, 2020
These devices will mostly be used to turn something on or off during the transition from day to night. However, the potentiometer is extremely sensitive around about the crossover point and This makes it very hard to get the exact resistance for the crossover point.A different pot value would be better.A little bit of hysteresis would be good to stop it oscillating.Apart from that a great device. Will be buying more.(When closed this device consumes 30mA @ 12v, when open ~2mA @ 12v)
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