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The ChargerLight: WallCharge your USB devices with style

Step 3Playing with your new LEDs =]

Playing with your new LEDs =]
Test you leds with a bench power supply and a potentiometer =] see if the effect is good enough for you...
I decided to follow the manufacturer specs and keep it at less than 30mA =] ... A 200ohm resistance will do...

v2. added a potentiometer in series with this resistance

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Author:Proteus
Engineer graduated @ poli.usp.br , Embedded Software Engineer @ v2com.mobi , and all around nice guy =]