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Night light

Discussion in 'Electronic Basics' started by Fred, Jul 3, 2005.

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  1. Fred

    Fred Guest

    I make wooden night lights and would like to install a photocell for
    switching on/off. I bought a photocell, wired it up, and it worked
    perfectly except for one minor detail -- the light comes on in the
    morning and shuts down at night. I heard there is a small circuit that
    could reverse this. Does anyone know of them and of a possible place to
    order them? Thanks, Fred

  2. Er... *wooden* nightlight? Guess you don't use burning wood? But what type
    of light do you mean? Voltage, current, DC, AC? What photocell are you
    talking about? There are zillions of types out there you know. You wired it
    up you say but you don't tell how. I can guess of course (and my educated:)
    guess says you put some low voltage lamp in series with a LDR) but even then
    I generate some hundreds of possibilities about the details that matter.
    Even when I'd write them down - but be sure I will not - how would you find
    the right one? So when you provide some more details, you'll get a much
    better answer.

    petrus bitbyter
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