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Car Tail light - why the extra components?

I'm replacing the LED in a car tail-light. Naturally, it will run off 12V (battery) but the circuit I have uses just an LED and a 0.6w (440ohm) resistor. But the existing circuit includes two, larger ...

asked Jun 17 '10 at 20:18

Chris2048
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Car Tail light - why the extra components?

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