A 10 watt LED would be a good replacement light source for an old halogen/fiber optic ring light setup. [Peter] started with his old standby – an 8 pin Microchip PIC. In this case, a PIC12F1501.

For example, you may find that a 1.5-watt LED bulb promises to replace an 11-watt incandescent bulb while delivering as much or more light, so much greater is LED's efficiency.

For example, GE's 9 watt LED household bulb is easily as bright as the old 40-watt incandescent. Philips offers a 121/2-watt LED and an 11-watt LED that replace the old 60-watt bulb.

The Sylvania LED designed for general lighting, which gives off as much light as a 60-watt incandescent and uses 12 watts. Osram Sylvania. Taking a more conservative, short-term view, I did some ...

Philips dimmable LED 12.5 Watt light bulb. Courtesy Philips/Amazon. Advertisement. Advertisement. Obviously, this is my own personal take.

An $8, 60-watt-equivalent Cree lightbulb (800 lumens) uses 9.5 watts of energy and will cost $1.14 a year to run, if you have it on three hours a day and pay 11 cents per kilowatt hour.

The proposed rule would more than double energy efficiency standards for light bulbs from 45 lumens per watt to 120 lumens per watt, and said the explicit goal is to move people to LED bulbs.

The LED light revolution has only just begun. ... but going from a 10-watt LED to a 5-watt one may not be enough to justify additional costs for buyers, ... Life 11:45 AM UTC. Life 11:45 AM UTC.

A tangle of vines cover this odd-shaped LED, along with uncovered yellow diodes that aim to provide more light. It costs $35 and was the least impressive of the 75-watt-equivalent bulbs in our ...