Quote:
Originally Posted by PAR_WIG1350
A current limiting resistor should reduce the risk of the signs burning out, if youu don't already have one in the design.
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Quote:
Originally Posted by matt99199
i actually figure out the exact amperage of each sign and fit a fuse accordingly
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I infer from your response that you aren't using resistors. If that's true, what do you use to control the current through the LEDs?