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Latest GadgetFreak is up over at Design News

Several of William Grill’s designs have included pulse-width modulator (PWM) circuits that control LEDs. But what about the control of line-powered lamps and fixtures? You can find several commercial PWM controllers, but build one yourself, save money and learn how to implement a microcontroller-based design. This circuit is no flash in the pan.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


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