LED Lamp or Bulb with Flashlight option
This is another LED lamp from China, these people make nice lamps and also good designs of the plastic enclosure. Here by a clever enclosure design it is both a emergency mains bulb and...
Category: Contraptions
Treasure Hunting and Metal Detectors
Here are some Metal Detector Projects that are quite interesting for the purpose of education and experiments in the Art of electronics. This site may be as old as Y2K, but the url /...
Make a Shake LED Flashlight
I was enlightened about this Battery Less wonder. This is a boon for rural areas and an emergency tool which depend only on your will and your tendons. I found this bright flash of...
Solar Piezoelectric Cell
Sometime around 2008 i wrote this. It is more of Humor and less of Reality. Vibration Pressure are Related, Pressure is related to Temperature, Sunlight has Infra Red & Heating Ability. This should Ring...
