Quote:
Originally Posted by arichman1257
I'd say that it would be called illegal. Unless I'm missing something, the Spark would destroy any LED assembly you could put on it. The maximum current it can supply for 2 seconds is 100A. The LED rings that we, and many other teams, are using use the 12V/500mA port on the VRM. The illegal part here is that doing this would be unsafe. Even if you configured the Spark to not deliver anywhere near that much current, I think that it would still be ruled unsafe.
What you could do is put a resistor in series with the LED ring to abate the current issue.
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This is a common misunderstanding, the led will only draw the amount of current that it requires for operation at the specific supply voltage. This is the same for any motor. Just because it is on circuit capable of 100amps does not mean that it will draw 100amps, it will draw exactly what it needs whether 0.1amp, 1 amp, 100amps or even 1000amps.