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Feb 12th, 2024
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 Dusk to dawn photocell
#3790537
11/27/12 03:26 AM
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Joined: Sep 2012
Posts: 2,121
mow
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Does anybody know where i can order..buy a 6 or 12 volt photocell dusk/dawn unit?...tried radio shack..nada
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Re: Dusk to dawn photocell
[Re: mow]
#3790870
11/27/12 04:58 AM
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Joined: Feb 2010
Posts: 838
pafree
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don't know what you are wanting to run but elusive wildlife has the 6 volt and 12 volt but they are low amp.
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Re: Dusk to dawn photocell
[Re: pafree]
#3791096
11/27/12 12:36 PM
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Joined: Sep 2012
Posts: 2,121
mow
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Pafree..gonna tinker with making my own lite..i dont want the whole unit..lite and all...just the 6/12 volt photo cell so i can make my own..astek is a euro company that sells them..but you have to pay more shipping costs ..thanks!
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Re: Dusk to dawn photocell
[Re: mow]
#3791522
11/27/12 03:17 PM
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Joined: Sep 2007
Posts: 4,294
oldoak2000
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Photo-cells are old-school! For the price of the 6v/12v photocell-switches, it would probably be better/cheaper/easier/simpler/more-effecient to build your light using a solar cell:
during day - solar cell charges batteries, and 'pulls in relay' to cut power to the lights.
during night - relay relaxes (since no current from solar-cell), and lights turn on.
You can get a pretty decent solar-array for the $20 to $30 you'll spend on a LV photo cell switch!
Most-Efficient, because battery power is never used to hold in relay, or to power photocell circuit.
Tada!
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Re: Dusk to dawn photocell
[Re: oldoak2000]
#3791630
11/27/12 03:51 PM
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Joined: Sep 2006
Posts: 32,525
kmon11
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junior
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Why go the route of a relay. 555timer and transistor have worked for years. Mow where are you at. Have a photocell from a Remington feeder in the garage
lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
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Re: Dusk to dawn photocell
[Re: kmon11]
#3791881
11/27/12 05:08 PM
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Joined: Sep 2012
Posts: 2,121
mow
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Im in cleburne..explain a 555timer..i'll google it..thanks..also oldoak2000..explain how a solar charger can work like you described..wouldnt the light work because drawing current from a battery..im confused..thanks guys!
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Re: Dusk to dawn photocell
[Re: mow]
#3791967
11/27/12 05:33 PM
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Joined: Sep 2012
Posts: 2,121
mow
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Kmon1..ok..i googled the 555..do you have a schematic on how to build a timer/relay for a 6volt light?..thanks..searching for a pdf file on google..about to go youtube it..thanks..garry
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Re: Dusk to dawn photocell
[Re: mow]
#3792567
11/27/12 08:28 PM
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Joined: Sep 2007
Posts: 4,294
oldoak2000
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Here ya go: this is just a simple schematic - it's up to you to size the components properly (for maximum battery life). 
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Re: Dusk to dawn photocell
[Re: oldoak2000]
#3793494
11/27/12 11:46 PM
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Joined: Sep 2012
Posts: 2,121
mow
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Re: Dusk to dawn photocell
[Re: mow]
#3796842
11/28/12 08:47 PM
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Joined: Jul 2009
Posts: 517
yanta61
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Re: Dusk to dawn photocell
[Re: yanta61]
#3798254
11/29/12 03:22 AM
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Joined: Sep 2012
Posts: 2,121
mow
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Cant you use a solar battery charger..like the one in the schematic to charge battery?
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Re: Dusk to dawn photocell
[Re: mow]
#3803959
11/30/12 11:05 PM
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Joined: Jan 2010
Posts: 3,469
vanguard
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heres a another schematic you use the solar panel as the switch and keeps the battery charged works either 6 or 12 volt according to battery and solar panel 
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