Rajkumar Sharma over at Electronics Lab writes: Triac based Indecent lamp dimmer is a simple circuit and it doesnt requires additional power supply, works directly with 110V AC or 230V AC. It is a low cost dimmer circuit for adjusting the light brightness of incandescent, Halogen Lamp, Light Bulb load up to 250 W. Features: […]
Tag Archives: light
DIY 100W LED flashlight
In this video Julian Ilett demonstrates his DIY 100W LED flashlight: I discovered that due to a lucky co-incidence of voltage and internal resistance, a 100W LED can be connected directly across the terminals of two 18V Nickel Cadmium power tool batteries. And that means you can build a 100 Watt (7,500 Lumens) flashlight for less […]