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 ...

When the sun goes down over large swathes of the developing world, the 1.3 billion people currently living without access to an electricity connection are plunged into darkness. According to figures ...

Forget what you remember about your parents’ outdoor lights. The days of heavy, overbearing, even noisy outdoor lighting are over. LED exterior lighting is all the rage. Becoming popular starting ...

In the April 4, 2024, issue of EDN, the design of a solar mains hybrid lamp (HL) was featured. The lamp receives power from both a solar panel and a mains power supply to turn on an array of LED lamps ...

This series has been, for me, an exhilarating journey through two million years of human endeavour, passion and ingenuity. We began in East Africa with a chopping tool - a roughly shaped stone that ...