Dan
Premium Member
Registered: 22nd Apr 02
Location: Gorleston on Sea, Norfolk
User status: Offline
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Outside my house, i have a pair of round lights, which at present, go on when dark and off when light. At the front of the house, there is a light sensor.
By looks of it, it has 2 pairs of wiring to it. Will it be possible to take this off the wall and change it for a PIR sensor. So that lights come on when i drive into the courtyard, for a timed period? Or will i need to start from scratch
Cheers!
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C2RL R
Member
Registered: 28th Mar 02
Location: Redcliffe, QLD
User status: Offline
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yes i should think so mate. you have a photocell atm with a feed going in and out the switch side. the photocell works the same as a switch, as does a PIR. so yeah it should be a straight swap.
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Limecat
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Registered: 25th Jun 05
Location: The Internet
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You should be able to wire it up through an AND gate so that it has to be both dark and trigger the PIR for it to activate.
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oceansoul
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Registered: 19th Jun 06
Location: Sunbury, Surrey
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quote:
Originally posted by LETGSI16V
You should be able to wire it up through an AND gate so that it has to be both dark and trigger the PIR for it to activate.
Dont need to start using logic gates, just wire the two switches (PIR and Photocell) in series 
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Dan
Premium Member
Registered: 22nd Apr 02
Location: Gorleston on Sea, Norfolk
User status: Offline
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Thats actually good thinking, but the pir sensor i was gonna buy has a built in darkness and timer etc, so it wont be needed 
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