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LED with resistor

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Old 05-15-2004, 11:43 PM
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LED with resistor
What ohm resistor is needed for 4 LEDs in series?
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Old 05-16-2004, 08:14 AM
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200 ohm...

Assuming 12V supply, 2V LEDs, and 20mA current for the LEDs.
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Old 05-16-2004, 12:52 PM
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thanks, i forgot the basics of DC circuits last night, thats the wrong voltage and current but thanks. I dind't post that stuff.
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