Thread: resistors for LEDs question
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Old 04-03-2003, 07:58 AM
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Bl@ck
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Originally posted by RY2K
E = I*R so R = E/I
check out the web page it's explained really well
http://www.igd4u.com/modules.php?op=...=article&sid=2


:doh: i knew that.... it's been a while since i used it though

here's the extended equation to calculate power in a circuit.



using W=E^2/R you'll see that the 1/4 watt resistors won't cut it. and a burning resistor don't smell good at all.
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