Donald Bell has spent more than five years as a CNET senior editor, reviewing everything from MP3 players to the first three generations of the Apple iPad. He currently devotes his time to producing ...

THE candle. It is a simple technology, and a good one. The electronic version is also simple to make, and is a great introduction to the concept of circuits – the cornerstone of many maker projects ...

Here is the simple solution to make an automatic solar powered led lamp. It automatically switches on two high power White LEDs in the evening and stays on for 6 hours using a 6 volt 4.5 Ah ...

Multipattern serial lamps are now available at very low cost. These china make serial lamps circuit gives 8 pattern lighting like Combination, In Wave, Sequential, SLO-GLO, Chasing/Flashing, Slow-Fade ...