Thread: usb lighting
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Old 11-23-2009, 07:10 PM
george_n_texas's Avatar
george_n_texas george_n_texas is offline
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Join Date: Sep 2009
Location: Texas
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Default Re: usb lighting

I'm not sure why you need resistor and capacitor in there flashlights don't have em. Otherwise this is a series circuit with 2 sources regulated by the usb adapter (step down transformer). What's Vcc?
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