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Flash of Inspiration

‘Cheap as chips’ phone flash makes versatile light source

Flash of Inspiration
The boom in camera phones means you can now pick up tiny snap-on flash guns for a couple of pounds if you know where to look. And if you look inside them you’ll find some extremely bright LEDs and some sophisticated electronics that make these bargain units ideal for conversion into pocket torches, signalling lamps and more. Some descriptions of the control logic found on the Internet [1] were the authors’ inspiration for this project.
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