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Reusing PCB components
If you’re anything like us, you have a closet full of old electronics, some broken, some obsolete. You can stop using those as paperweights with the help of this guide that shows you how to recycle and...
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Refillable canned air
While not very technical, [3eff_Jeff] posted an interesting modification to an empty air canister that makes it refillable. He was tired of drilling holes in the ozone, so he carefully drilled a hole...
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Switchmode LED flashlight upgrade
When [Neelandan]‘s cheap flashlight’s internal rechargeable battery died, he scrounged for a replacement. Ultimately, the brightness of the light suffered with his new battery, taken from an old cell...
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Recyclebot digests milk jugs to feed MakerBot
The old saying, “garbage in, garbage out” may need to be re-evaluated. Students at Victoria University of Wellington are developing a machine that recycles old milk jugs, extruding an HDPE plastic...
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A fantastic collection of slapped together bots
[David Williamson] has put together some pretty amazing little robots from bits of stuff he laying around the house. What initially caught our attention was this drawing robot over at HackedGadgets....
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Things to do with your laptop batteries when they’re dead
[Roy] over at GeekDad had a dead laptop battery on his hands, and decided he would disassemble it to see what useful things he could do with the cells inside. He mentions in his article that even...
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Tired of the Normal Use for Your Toothbrush? Why not an Engraving Tool?
Hardware hackers and makers like us may not be well known for our excellent hygiene habits, but after [Dan]‘s creation, no one can claim he doesn’t know how to use one! Either out of a total disdain...
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Lantern Made In Preparation of Zombie Apocalypse
[BenN] was at his local hackerspace one day when a friend stopped by and offered him a used 5AH lead acid battery. As any good tinkerer would, he jumped on the opportunity and immediately started...
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Delta 3D Printer Made From Unorthodox Parts
Over here at Hackaday, we love stuff made from other (unrelated) stuff. Maybe it’s the ingenuity behind the build or the recycling of parts… or it could be both. Either way, it’s cool and a side...
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Frackers: Inside the Mind of the Junk Hacker
Hackers can be a diverse bunch. My old hackerspace had folks ranging from NSA employees (ahem, independent security contractors) to space-probe pilots to anarchist vegan punks. And we all got along...
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Baby Monitor Rebuild is also ESP8266 Audio Streaming How-To
[Sven337]’s rebuild of a cheap and terrible baby monitor isn’t super visual, but it has so much more going on than it first seems. It’s also a how-to for streaming audio via UDP over WiFi with a pair...
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Turning Broken Toy Into Laser Target Practice
[Mathieu] wrote in with his laser target practice game. It’s not the most amazing hack in the history of hackery, but it’s an excellent example of the type of simple and fun things you can do with just...
View ArticleMilitary Surplus Repurposed for High Energy Physics
Performing high-energy physics experiments can get very expensive, a fact that attracts debate on public funding for scientific research. But the reality is that scientists often work very hard to...
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An ADS-B Antenna Built From Actual Garbage
With the advent of low-cost software defined radio (SDR), anyone who’s interested can surf the airwaves from the FM band all the way up to the gigahertz frequencies used by geosynchronous satellites...
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From Plastic Bottle to Plastic Brush
We first saw someone turn a plastic bottle into plastic ribbon about four years ago. Since then, we’ve wondered what this abundant, sturdy material could be used for besides just tying things together....
View ArticleSoda Can Lamp Pinpoints Your Interests
We’ve said it a million times before: 3D printing will expand your horizons. The more you print, the more you think about things you could print and new ways to use printing in the process of building...
View ArticleDIY Designer Wallet From Designer Bag
Why do people drop hundreds of dollars on designer goods? The easy answer is that, in theory, the goods are worth the expense. The materials, craftsmanship, and attention to detail are all top-notch...
View ArticleBroken Screen Becomes Polarizing Art Lamp
Got a broken laptop screen sitting around? If you haven’t already pilfered the LEDs and used the polarizing sheets for screen privacy filters, why not turn it into a unique table lamp? See if you can...
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Laser Cutter Turns Scrapped To Shipped
We’ll go way out on a limb here and say you’ve probably got a ridiculous amount of flattened cardboard boxes. We’re buying more stuff online than ever before, and all those boxes really start to add...
View ArticleRoll Your Own Trackball Mouse
What do you do when you’re into trackball mice, but nothing out there is affordable or meets all your murine needs? You build one, of course. And if you’re like [Dangerously Explosive], who has a bunch...
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