3D printing a stencil for applying solder paste

If you ever tried making more than a couple of the same PCBs at once, you probably came to the conclusion that soldering it by hand sucks and also takes a lot of time. The alternative – which is also how they do it commercially – is the so called reflow soldering. Simply said, it … “3D printing a stencil for applying solder paste”

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Simple camping light/torch

One of the most useful tools when camping is a flashlight. They come in a ton of different shapes – headlamps, torches, lanterns… I have a good headlight, but sometimes I want to, say, illuminate a whole tent or a room. For this a headlamp is not suitable, because it is very directional. So, from … “Simple camping light/torch”

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3D printed charger for Yi 4K camera battery

I own an action camera – the Yi 4K – and I am very satisfied with it. However, even though it has longer battery life than a GoPro, it still runs for only ~90 minutes on a single battery. For this reason, I bought a bunch of replacement batteries from Ebay for just 6 dollars/piece! … “3D printed charger for Yi 4K camera battery”

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