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NleahciM wrote:Yea, but I was hoping to get a different answer than the one I gave myself.azog wrote:The LED says 350mA peak; the AVR I have in mind can source 40mA directly off a port pin.Didn't you just answer your own question?
daemondust wrote:http://i18.tinypic.com/6prgm5s.pngI would not recommend driving a Luxeon with a ballast resistor. At 350mA and a 5V source you will be dissipating about half a watt in the resistor which is very inefficient. If you are using a 7805 as a power source, you will also dissipate a lot of power there too since it is a linear component.
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