How to build a photovoltaic light system that operates at all times and is maintenance-free. The key role of the supercapacitor in this design. What is the "Joule Thief" circuit? Delivering ...
This joule thief led or high efficiency LED with 1.5 volt driver is a tried and tested circuit built around some discrete electronics components. A common 5 mm high-efficiency white LED (D1) is the ...
Gagyo Tech based in Los Angeles has created a new portable battery powered vehicle jump starter, called the KOMA, powerful enough to start any car or truck and apparently even small ships under 25 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback