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Need Help For Finding The Right Resistor For Leds.


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#1 Pooop

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Posted 09 January 2005 - 12:06 AM

Since lots of different websites are giving me different answers for what resistor I need, I'm going to ask you guys and see if I can get a correct answer.

This is a series of LEDs: 2.1volts 30mA the power supply is 12 volts.

Thanks for any verification on which resistor I need, Thanks for the help smile.gif




#2 otherguy

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Posted 09 January 2005 - 12:28 AM

google works pretty well

http://www.bit-tech.net/article/68/

#3 Pooop

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Posted 09 January 2005 - 12:29 AM

I didn't say I couldn't find it, I said I get tons of different answers from the different calculators out there.




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