LED lighting is fast becoming the lighting design of choice for contemporary lighting projects, both residential and commercial. Touted for its green properties, such as low maintenance costs, long ...

In the aquarium led light circuit, strings of LEDs are connected to the collector of switching transistors T1 through T3. When the IC triggers, oscillations starts and the output Q6 turns on after 5 ...

A small round LED floodlight. Before installing them on the tractor, he tested them on the workbench. Frank was impressed with how much light both fixtures provided, exceeding the brightness of his ...

In 2007, Midwest Circuits partnered with the Lansing Board of Water and Light to test a prototype of its LED circuit board with products from companies like Philips and Future Lighting Solutions ...

Inspired by printed circuit boards, the building block of all electronics, a Dutch designer has created an LED-based light installation that draws upon the familiar etching pattern inside most ...

Or voltage variation can occur if an LED in one string is shorted. In Fig. 2, the power-limit circuit is formed by R11, R12, R13, R14, Q11 and Q12.