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LED Circuit

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LED Circuit

Postby Ken18723 » Wed Jan 25, 2012 2:07 pm

Is there a way to design a circuit to make an LED light at a certain current. I am using DC voltage lets say about 120 VDC and I want to trun the LED on when the circuit draws about 800 mils. I think I can do it with an op amp I am just not sure how to get started. Any help will greatly be apperciated.

Ken
Ken18723
 
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Joined: Wed Jan 25, 2012 1:58 pm
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