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Pinball Wizard Hacks Table for Tommy Stage Show
Ever since he was a young hacker[Mark Gibson] has messed with the silver ball.From Soho down to Denverhe must have fixed them all.But we ain’t seen anything like thisin any amusement hall.That darn...
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This Smart Pill Uses A Stomach Acid Battery
[Curt White] is working on a smart pill whose copper-zinc battery will use his own stomach acid as the electrolyte. It’s not that unusual of an idea, MIT tested a similar approach in a pig. It’s also...
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A Peek Into a Weed-Eating Robot’s Test Fixtures
When it comes to production, fast is good! But right the first time is better. Anything that helps prevent rework down the line is worth investing in. Some of the best tools to catch problems are good...
View ArticleAutomatic Sunglasses, No Battery!
There are some projects that are so simple they require very little description, and [Bobricius’s] automatic sunglasses definitely fit into that category. Their story starts with the fad for 3D...
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Worn Train Rails Get Judged by Laser
[Calango] is a railway technician, and for a school final project created the Rail Wear Surveillance Trolley (RWST) which is a delightfully designed device made mainly from PVC conduit with one job:...
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Amiga 2000 Emergency Repair
Big companies spend small fortunes on making sure their computers stay running and that they can be repaired quickly in an emergency. You wouldn’t expect an emergency repair on an Amiga 2000, though....
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Ultra-Low Power, Energy Harvesting Battery Charger
This half-inch square ultra-low power energy harvesting LiPo cell charger by [Kris Winer] uses a low voltage solar panel to top up a small lithium-polymer cell, which together can be used as the sole...
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Hackaday Links: July 8, 2018
Software-defined radio has been around for years, but it’s only recently that it’s been accessible to those of us who don’t have tens of thousands of dollars worth of equipment in their lab. Here’s a...
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On The Right Tracks: Electric Wheelchair Guts Find New Life As Tank
Every hacker has dreamt of building their own tank at some point. Or maybe that’s just us. [Peter Sripol] and [Sam Foskuhl] have built one at a scale which is big enough to be rideable, but small...
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Rocket Bullets: The Flame and Fizzle of the Gyrojet
In the 1950’s and 60’s, the world had rocket fever. Humankind was taking its first steps into space and had sights on the moon. Kids could build rockets at the kitchen table and launch them in the...
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Putting More Tech Into More Hands: The Robin Hoods of Hackaday Prize
Many different projects started with the same thought: “That’s really expensive… I wonder if I could build my own for less.” Success is rewarded with satisfaction on top of the money saved, but true...
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Build Your Own Portable Arduino Soldering Iron
At this point you’ve almost certainly seen one of these low-cost portable soldering irons, perhaps best exemplified by the TS100, a pocket-sized temperature controlled iron that can be had for as...
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Vintage Headphones Bluetooth Conversion Goes The Extra Mile
[KaZjjW] wanted to retrofit a pair of nicely styled vintage headphones to be able to play wirelessly over Bluetooth. In principle this is an easy task: simply stick a Bluetooth audio receiver on the...
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N64 Emulated in VR Makes Hyrule go 3D
The Nintendo 64 had some groundbreaking and popular 3D games, and [Avaer Kazmer] felt it was only right to tamper with things just enough to trick an emulator into playing Ocarina of Time in VR,...
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Profiles in Science: Jack Kilby and the Integrated Circuit
Sixty years ago this month, an unassuming but gifted engineer sitting in a lonely lab at Texas Instruments penned a few lines in his notebook about his ideas for building complete circuits on a single...
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Open Hardware Takes Charge in Papua New Guinea
You probably don’t think much about charging your phone. Just find an outlet, plug it in, and wait a while. Can’t find a cable or wall wart? A rainbow of cheap, candy-colored options awaits you down...
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Morphing Digital Clock Will Show You A Good Time
A few weeks ago, [HariFun] set out to emulate a 7-segment display with an LED matrix. Seems easy enough, right? Right. He also wanted to come up with a new way to transition between digits, which is a...
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Do You Need A Solder Fume Extractor?
We’ll admit it. Most of us have been soldering since we were kids and we don’t think of it as a particularly dangerous activity. Just keep the hot and cold end of the iron straight and remember not to...
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Friday Hack Chat: Hacking Voice Assistants
The future of consumer electronics is electronic voice assistants, at least that’s what the manufacturers are telling us. Everything from Alexas to Google Homes to Siris are invading our lives, and if...
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ERRF 18: Slice Engineering Shows off the Mosquito
With few exceptions, it seemed like every 3D printer at the first inaugural East Coast RepRap Festival (ERRF) was using a hotend built by E3D. There’s nothing inherently wrong with that; E3D makes...
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