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LED Light with dusk to dawn function

Discussion in 'LEDs and Optoelectronics' started by tank59, Jan 27, 2014.

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  1. tank59


    Jan 27, 2014
    So, I'm needing to build or find a LED light that will illuminate about a 2' long by 3' wide by 5" deep space. I need it to be as compact as possible so that I have the ability to flush mount the unit and hide it as much as possible. The real tricky part is that I need it to have a dusk to dawn function, with a toggle switch that I can turn the light 'on', turn it 'off', or turn it to 'auto', which would turn the dusk to dawn function on. It will have a plug end, going into a standard household 120v receptacle. I guess my question is, how difficult is something like this to make, and where could I get something like this made? I've thought about trying to make something myself simply as a prototype but am having difficulty figuring out how to incorporate the dusk to dawn function with the control switch, especially when considering the aspects of switching 120ac to 12dc. Any ideas or suggestions?
  2. jcurrie


    Feb 22, 2011
    google dark activated circuits , i found several dark activated circuits .
  3. Externet


    Aug 24, 2009
    There is hundreds of these at many stores:

    If you want it smaller, canibalize its guts discarding the housing.

    Just add a 3 position switch on the side to turn off, bypass the sensor, or use its

    The internal DC supply to the switch common terminal;
    Position 1 connects its internal DC supply to nothing (off)
    Position 2 connects its internal DC supply to normal circuit (auto)
    Position 3 connects its internal DC supply to the LED directly (on)
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