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LDR circuit with three level indication

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LDR circuit with three level indication

Postby tim1985 » Wed Oct 09, 2013 5:23 am

Hi,

I need to make a basic circuit that is controlled by an LDR
it will affect two LED's

Low light = 1 LED flashing
Med light = 1 LED on
Full light = 2 LED's on

From what i understand the LDR has to be connected to two transistors to give us 3 settings, is this correct ? or can someone please draw me a circuit diagram explaining?
tim1985
 
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Joined: Wed Oct 09, 2013 5:05 am

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