[wiki] Pulse-width modulation (PWM)
http://en.wikipedia.org/wiki/Pulse-width_modulation
AVR Light Controller for LiPo/LiIon-Powered Halogen Bike Lights
http://electronics.ringwald.ch/?n=Main.AvrLightController
Pulse Width Modulated Voltage Regulator for Electric Caving Lamps
http://www.cs.indiana.edu/~willie/lvr/doc
Willie Hunt's Lightbulb Voltage Regulators
http://www.cs.indiana.edu/~willie/lvr.html
2009年2月8日 星期日
Halogen Lightbulb PWM Voltage Regulators
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