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power led

Power led driver

Dimming power leds with Arduino

By admin on 17/05/2012

I bought a couple of 3W power leds on Ebay recently. These 3 watt power leds have a forward voltage of 3,4V and need 700mA current to shine at their maximum rating. A led is a semiconductor and needs current limiting to make it work. With small leds you just put a small resistor in […]

Posted in Arduino | Tagged power led | 9 Responses

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