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Product Description
- Connect the input terminal to 5v DC power (note that the positive and negative poles are not reversed), then the power indicator red light will be on.
- Connect the output control terminal to a power supply with a maximum voltage of 250V and a maximum current of 10A, and connect it to the load.
- When the light detection head detects that the light is dimmed, the switch automatically closes, the load works, and the work indicator lights up in blue; when the light is dimmed, the relay is disconnected, the load stops working, and the work indicator turns off.
- If you feel that the light detection is not sensitive enough, you can use a screwdriver to adjust the potentiometer to achieve the detection sensitivity.
Application
Great for light detection, brightness detection and control , through the potentiometer can be adjusted to detect brightness threshold
Light detection and brightness detection, detection can be adjusted via potentiometer brightness valve point comes relays.
Customer
2025-08-16 13:34:14
used to make a piece of test equipment to check if the back light was one.worked fine- very low price
Customer
2025-07-08 10:40:41
I used these to make BF556 collators for my reloading press. You can get them roughly 50% cheaper on AliExpress if you have a need to buy ten with slower shipping and potentially deal with quality control issues with a seller over seas.As another reviewer stated, there is almost nothing to splice into the photoresistor cables. Three to five tiny little copper strands thinner than a human hair each. I did successfully manage to do it, however I think you are best just to run new cables entirely.The factory heatshrink on the photoresistor terminals measures about 3/4" in length. Should have plenty of real estate to remove the existing cable / heatshrink and solder new cables there. If you do choose to run new cables, it'll require you to make a new 2pin male JST connector or solder the cables directly into the board.
william bican
2025-07-02 11:37:21
Small institutions should be included especially for beginners
Alex Marks
2025-06-20 17:56:18
Wish the leads on the photoresistor were bigger gauge wires. I want to extend them but it's almost impossible to splice to these. There's like 6 strands.
Joe R.
2025-05-01 13:56:19
I use this on my ammo reloading press for the bullet feeder. It works great and has never failed turning my feeder on or off when it is supposed to.
Fredrick miller
2024-12-30 14:42:06
Work great.
RJ
2024-11-18 15:39:51
Works perfectly for my project.
Frosty
2024-11-17 14:59:13
I use these to wire Lionel crossing signals lighting etc. pre wired work well . Frosty
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