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Potential Divider using LDR

Would the curtain operator be better mains or battery operated?

  • Mains

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  • Battery

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electroblob

New Member
I'm making a circuit for an automatic dusk/dawn curtain operator. I'll probably use a potential divider, but does anyone know how to apply that to an LDR?

Cheers

Electroblob. :roll:

P.S. If anyone has any other ideas of how to make the circuit work, they would also be really useful. Thanks.
 

kinjalgp

Active Member
but does anyone know how to apply that to an LDR
Same as you apply to standard resistors. Afterall LDR is also a resistor but a variable one.
 

nettron1000

New Member
Not sure what you're using , but ive built light sensor circuits using LDRs and comparators based on the circuits found on the page in the link below.

**broken link removed**
 
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