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Outdoor Night/Light Sensor

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  • 31-01-2007 12:46pm
    #1
    GreeBo
    Registered Users Posts: 27,164 ✭✭✭✭


    Hey,
    we have an outside light beside our front door that I would like to add a light sensor to so that its only on at night.
    I seem to be unable to fine ones that are not also movement sensors (which I dont want)
    anyone know where I could source one of these?

    Thx!


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    #2
    Avns1s
    Registered Users Posts: 3,422 ✭✭✭Avns1s


    There is a "solar" sensor called a photo...something or other which is what you're looking for and it would be available from an electrical trade shop.


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    #3
    GreeBo
    Registered Users Posts: 27,164 ✭✭✭✭GreeBo


    Yeah, a Photoelectric Sensor, basically an LDR in an outdoor casing.
    But the only ones I can find seem very industrial and also expensive.
    I figure if I can buy a light in B&Q for €30 that has an LDR and a PIR built in surely I can get an LDR sensor for less!?


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    #4
    Avns1s
    Registered Users Posts: 3,422 ✭✭✭Avns1s


    My recollection is that they're about €30.

    All I will say is that whenever I have fitted the cheaper lights, PIRs etc you get in B&Q and the likes, they normally don't last much over the year.

    By fitting the proper stuff, it'll do its job for much longer.


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    #5
    Stoner
    Registered Users Posts: 10,952 ✭✭✭✭Stoner


    I agree with the cost, in or around 30 euro, then just get a halogen with no sensor for about 7 euro.
    This will do the biz, I know they dont look great and as you are aware you dont have to put them beside the light!!
    I'm sorry I can't be of more help, but I've never seen a budget one with this feature.


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    #6
    GreeBo
    Registered Users Posts: 27,164 ✭✭✭✭GreeBo


    I actually already have two halogens that have sensors (photo and infrared)
    what I really want to do is attach a standalone photo sensor to the "nice" light that is above the front door.
    Right now it sits on all day so that its on when we get home at night.
    I just want it to be switched on but only come in when its dark...

    Thx!


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    #7
    davelerave
    Closed Accounts Posts: 1,712 ✭✭✭davelerave


    i've fitted rectangular bulkheads with a small built in photocell .you might be able to buy a small threaded photocell on a flylead or a fitting with one .CEF would be a good bet for that or a catalog


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    #8
    GreeBo
    Registered Users Posts: 27,164 ✭✭✭✭GreeBo


    I got one in B&Q for €25 and it seems to work fine.
    Thx!


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