Almost a month ago I started trying to reverse engineer an inexpensive LED color changing light bulb. With your help I’ve mapped out the circuit, and taken control of the bulb. But there’s ...

Relatively small light footprint means more than 1 bulb may be needed Lacks adjustability: not dimmable ... use of fans to cool down the area. They use full-spectrum white LED diodes and provide ...

[Julian Ilett] found this 2″ x 2″ LED on eBay for only £4.79 (<$10 USD). It’s rated for 32-34V with a current draw of 3000mA, which works out to about 100W. Its brightness? 7500 lumens.

Check out this conceptual cutaway of what mine supposedly look like inside: Granted, mine are 17W/100W equivalents, not the 7W/50W equivalent ... dimmable by just a voltage change. LED lamps, on the ...

New standards for light ... of the bulb times the number of bulbs,” those savings accumulate in a household with many lightbulbs, Vukovich told The Hill. Full enforcement of the new LED rule ...

Get the power of Which? in your pocket by downloading our app, giving you on-the-go access to our reviews Get the power of Which? in your pocket by downloading our app, giving you on-the-go access to ...

(The Hill) — New standards for light-emitting diode (LED) lightbulbs announced by the ... Specifically, he said, Americans will save about a dollar per bulb under normal usage conditions ...