Switch mode LED torch - Instructables The torch had seven LEDs in an aluminized plastic reflector, and a three ... This is the circuit I intend to use: The texas instruments TPS61041 LED driver, wired ...
A high-power LED torch using a single AA-battery - Instructables This high-efficiency design can power LEDs at 100mA of current and is not much bigger than the battery that powers it. The unique circuit uses 2 commonly ...
Battery Free, USB Powered LED Torch : Circuit Diagram - Instructables Step 4: Circuit Diagram. Picture of Circuit Diagram. Heres the Eagle file... pretty damn compicated hey... (actual .sch attached). torch.sch183 KB ...
LED Torch Circuits - Talking Electronics When we first decided to produce a LED torch project, we wanted to fit the circuit into a 2-cell torch but a white LED requires about 3.4v to operate, and two cells ...
How to Make an LED Flashlight | Popular Science 11 Aug 2008 ... Turn a regular flashlight into a powerful LED torch that will run for years. ... Is this just another LED flashlight, or does the charge-pump circuit ...
How to Build a Simple Hi Efficiency LED Torch Circuit at Home ... 25 Dec 2011 ... We learn how to build a simple high efficiency LED torch light circuit at home using a cheap voltage doubler circuit concept.
How to Make a LED Flashlight Circuit | Homemade Circuit Designs ... 5 May 2012 ... The post discusses how to make a simple LED flashlight circuit at home.
High power 6 LED Flashlight for 1.5V AA battery. | Eleccircuit.com 3 Jun 2014 ... This circuit look like a torch by use on 1.5V battery only so it can be used. Since small so Easy to carry in various places. And also very bright ...
FREE CIRCUIT DIAGRAMS 4U: Simple LED Torch 14 Apr 2013 ... This is a simple LED torch.The specialty of this circuit is this circuit helps you to operate your torch for many hours.Here I have used 2W LED.
Switch mode LED torch - Instructables I modify a cheap chinese rechargeable torch with a switch mode LED drive circuit . The advantage over the original ...