With a 9-mm flange base that fits almost any two- or three-cell flashlight, the F321-3W 3W LED PR-style flashlight bulb delivers up to 1,200 foot-candles of light. According to the company, the bulb ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Soraa, the Khosla Ventures-backed startup that uses the semiconductor gallium nitride rather than sapphire in its LED and laser technology, came out of stealth mode Tuesday and unveiled its flagship ...

Learn how to repair a broken electric fence and make the most of LED light bulbs in this savvy, reader-submitted tip. I have two tips I’d like to share with you. First, you can use copper wire to fix ...