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Latest Activity: Jan 8, 2010

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Generate electricity with a candle

What you see above is a generator that converts heat to electricity. thermoelectric lamp is one of…Continue

Tags: thief, peltier, cooler, joule, sink

Started by Get Chu Some Entertainment Jan 8, 2010.

DIY 3d printing system

If you’ve ever dabbled in 3d modeling, creating a design from nothing is an outstanding feeling. If only you could somehow export it to the real world…but 3D printers cost thousands of dollars,…Continue

Tags: technology, printing, systems, 3d

Started by Get Chu Some Entertainment Dec 11, 2009.

Biz Tech HomeBrew Feedz

Keep Track Of Your Weight While Sleeping

When the average person looks at a bed, they think about sleeping. Because that’s what beds are for. You cover them with soft, warm cloths and fluffy pillows and you sleep on them. [Peter] is not your average person. He’s a maker. And when he looks at a bed, he thinks about giving it the ability to track his weight.

The IKEA bed has four Chinese-made TS-606 load cells under each foot with custom aluminum enclosures. Each one goes to an HX711 analog-to-digital converter, which offers a 24 bit resolution. These feed an Arduino Nano which in turns connects to …read more

Laser Cutter Alignment Mod Skips Beam Combiner

A lot of the DIY laser engravers and cutters we cover here on Hackaday are made with laser diodes salvaged from Blu-ray drives and projectors, which are visible lasers in the 400 – 450nm range (appearing as violet or blue). Unfortunately there is an upper limit in terms of power on visible diode lasers, most builds max out at 5W or so. If you need more power than that, you’ll likely find yourself looking at gas laser cutters like the K40. While the K40 is a great starting point if you’re looking to get into “real” lasers, it’s a very …read more

The Internet of Blast Gates

There’s nothing quite like building out a shop filled with tools, but even that enviable task has a lot of boring work that goes into it. You’ve got to run power, you’ve got to build benches, and you need to build a dust collection system. That last one is usually just fitting a bunch of pipe and tubes together and adding in a few blast gates to direct the sucking of your dust collection system to various tools around the shop.

For most shops with a handful of tools and dust collection ports, manually opening and closing each blast gate …read more

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