“PWM Line-Voltage Interface Brightens Your Outlook”

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.