Electronics

Power from Heat: The Candle Charger

This device can power your phone in a blackout or when you are camping: ‘When the power is cut, modern life is thrown into disarray. But thanks to a new project you may not have to worry about your smartphone dying. The Candle Charger is described as an “indoor power plant for smartphones,” providing USB

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DIY 20 Gram Rechargeable Head Torch + Tent Lantern

I will be using the Nano A5X (glow in the dark) 14.8 gram 650 lumen rechargeable torch for this mod though the pictures here are for the A1 which I already own (which is a whole gram heavier and does not glow- alas!) I have often added a simple O-ring,  a length of 1mm dyneema

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Mobile Phone Antennae: 64 x Signal Strength

It is a delight to venture into the mountains far from ‘civilisation’; when we do however we don’t have to forego the opportunity of all contact. A carefully chosen antenna system will draw in mobile phone and internet connectivity to quite surprisingly remote places. Note: You need less signal to send an SMS than a

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