Repairs You Can Print: Nintendo DS Lite With New Battery And Case
The problem with hanging on to old consumer products is that the original batteries no longer hold a charge. To make matters worse, replacement batteries ordered online have likely been sitting on a...
View ArticleMini Lathe Makes Tiny Hydraulic Cylinders for RC Snow Plow
You can get pretty much any part you need online these days, but some specialty parts are a little hard to come by. So if your needs are esoteric, like tiny hydraulic cylinders for RC snow plows, you...
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Tiny Guitar Amp Rebuilt with Tiny Tubes
[Blackcorvo] wrote in to tell us how he took a cheap “retro” guitar amplifier and rebuilt it with sub-miniature vacuum tubes. The end result is a tiny portable amplifier that not only looks the part,...
View ArticleScan Your Film The 3D Printed Way
Everyone has a box or two at home somewhere full of family photographs and slides from decades past. That holiday with Uncle Joe in Florida perhaps, or an unwelcome reminder of 1987’s Christmas jumper....
View ArticleA Jukebox For The 21st-Century Kit Blends Raspberry Pi, Sonos, QR Codes
When [Chris Campbell]’s children wanted to play an album in the background over dinner, switching the outputs on his family’s Sonos sound system was perhaps too involved for their budding mastery of...
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Invasion of the Tiny Magnetic PCB Vises
[Proto G] recently wrote in to share a very slick way of keeping tabs on all the tiny PCBs and devices that litter the modern electronics workbench. Rather than a big bulky PCB vise for each little...
View ArticleDebunking Moon Landing Denial with an Arduino and Science
It’s sad that nearly half a century after the achievements of the Apollo program we’re still arguing with a certain subset of people who insist it never happened. Poring through the historical record...
View ArticleEasy, Modular Alphanumeric Displays are Full of Flappy Goodness
There are plenty of ways to make large alphanumeric displays that are readable at great distances. LED signboards come to mind, as do big flat-screen LCD displays. But such displays feel a little...
View ArticleCross-Brand Adapter Makes for Blended Battery Family
Even though he’s a faithful DeWalt cordless tool guy, [Richard Day] admits to a wandering eye in the tool aisle, looking at the Ryobi offerings with impure thoughts. Could he stay true to his brand and...
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Dungeons and Dragons TV Tabletop!
With little more than pen, paper, dice, and imagination, a group of friends can transport themselves to another plane for shenanigans involving dungeons and/or dragons. An avid fan of D&D and a...
View ArticleDIY Peristaltic Pump Keeps the Booze Flowing
A few months ago we showed you a bar bot built by [GreatScott] that uses peristaltic pumps to food-safely move the various spirits and mixers around behind the curtain. The bar bot uses three of them,...
View ArticleAn Especially Tiny And Perfectly Formed FM Bug
It used to be something of an electronic rite of passage, the construction of an FM bug. Many of us will have taken a single RF transistor and a tiny coil of stiff wire, and with the help of a few...
View ArticleCrankshaft: Open Source Car Computer
Modern cars and head units are pretty fancy gadget-wise. But what if your car still has an 8-track? No problem. Just pick up a Raspberry Pi 3 and a seven-inch touchscreen, and use Crankshaft to turn it...
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Quantifying Latency in Cheap RC Transmitters
For those just starting out in the world of RC, a low cost transmitter like the Flysky FS-i6S can be very compelling. But is buying a cheap transmitter setting yourself up for failure down the line?...
View ArticleOld Modem, New Internet.
Do you remember the screeching of a dial-up modem as it connected to the internet? Do you miss it? Probably not, but [Erick Truter] — inspired by a forum post and a few suggestions later — turned a...
View ArticleReverse Engineering Opens Up the Samsung Gear VR Controller
We love a bit of reverse engineering here at Hackaday, figuring out how a device works from the way it communicates with the world. This project from [Jim Yang] is a great example of this: he...
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One Week Left for Hackaday Belgrade Proposals
Do you have your tickets for Hackaday Belgrade? Our premiere European conference is on 26 May and tickets are on a rapid trajectory to sell out. Those of you weighing the idea of presenting a talk, you...
View ArticleDefinitive Dog Feeding with Arduino
Some dogs have no sense of self-preservation. Given the opportunity, they will eat until they’re sick. It’s up to us humans to both feed them and remember doing it so they aren’t accidentally overfed....
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Lamp’s Ghostly Glow Benefits From Happy Mistake
[cyborgworkshop]’s youngest sister is a fan of a character in a popular video game (Thresh from League of Legends) who wields an iconic lantern with a mystical green glow. He resolved to make a replica...
View ArticleSoftware Development in… Bash
Truly good ideas tend to apply in all situations. The phrase is “never run with scissors”, not “don’t run with scissors unless you are just going into the next room.” Software development methodology...
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