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Thanks to Made By Monkeys for highlighting this one - involving a dual-purpose torch / bicycle-light that was eating NiMH cells pretty fast...
Blogger 'Le Magicien' got to work, modding the device. He writes:
You can read the circuit schematics used in the modified waterproof solar torch, plus some detailed photos of the modification work.
Blogger 'Le Magicien' got to work, modding the device. He writes:
I like this torch a lot but... the incandescent bulb eats the NiMH cells pretty fast and the blinking leds... who needs them? So the idea was.. why do not replace the rear red leds with white ones? There's only one problem - white leds do not work with less than 3.2 volts - therefore some kind of voltage booster was needed.
You can read the circuit schematics used in the modified waterproof solar torch, plus some detailed photos of the modification work.
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