Quote:
Originally Posted by idrougge
50 mA is more than enough. But LEDs usually don't run off 5 V, so you need that resistor.
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I have these available:
http://www.ebay.it/itm/321945171693 which require 20ma.
Do I still have to use a resistor? If yes what should I buy? Excuse me but am not electronics expert..
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