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VCF East: The Mail Order App Store
Today we take the concept of a centralized software repository for granted. Whether it’s apt or the App Store, pretty much every device we use today has a way to pull applications in without the user...
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Supercapacitors In A Servo: The “Forever” Flashlight
The principle is well understood: use a motor in reverse and you get a generator. Using this bit of knowledge back in 2001 is what kick-started [Ted Yapo]’s Hackaday Prize entry. At the time, [Ted] was...
View ArticleConvert A Kerbside CRT TV Into An Arcade Monitor
While an old CRT TV may work well enough on a MAME cabinet project, the real arcade purists are quick to point out that a proper arcade monitor and a TV aren’t the same thing. A real arcade board uses...
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Internet of Smells: Giving a Machine the Job of Sniffing Out Spoiled Food
Has the food in your pantry turned? Sometimes it’s the sickening smell of rot that tells you there’s something amiss. But is there a way to catch this before it makes life unpleasant? If only there...
View ArticleReverse-Emulating NES: Nintendception!
This is a stellar hack, folks. [Tom7] pulled off both full-motion video and running a Super Nintendo game on a regular old Nintendo with one very cute trick. And he gives his presentation of how he did...
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Modular Robotics Made Easier With ROS
A robot is made up of many hardware components each of which requires its own software. Even a small robot arm with a handful of servo motors uses a servo motor library. Add that arm to a wheeled...
View ArticleThe Best Part of Waking Up Just Got Better
If you ask us, one of life’s greatest pleasures is sitting down with a nice, hot cup of something of coffee, tea or hot chocolate. Of course, the best part of this ritual is when the beverage has...
View ArticleDIY Scrap Guitar Really Shreds
[Keith Decent] recently got himself involved in a plywood challenge, and decided to make a single-pickup electric guitar. Since he is a prolific hoarder of scrap wood, the result is a lovely stack of...
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Linux Fu: Counter Rotate Keys!
If you’ve done anything with a modern Linux system — including most variants for the Raspberry Pi — you probably know about sudo. This typically allows an authorized user to elevate themselves to...
View ArticleA Wild Hackaday Belgrade Confirms Status as One of World’s Greatest Hardware...
Hackers, Designers, and Engineers flooded into Dom Omladine on Saturday for what can only be described as an epic celebration of hardware culture. This is the second time Hackaday has organized a huge...
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Raspberry Pi’s Power Over Ethernet Hardware Sparks False Spying Hubbub
Have you ever torn open an Ethernet jack? We’d bet the vast majority of readers — even the ones elbow-deep into the hardware world — will answer no. So we applaud the effort in this one, but the...
View ArticleThis Is Your Last Chance To Design The Greatest Robotics Modules
It’s Friday, and that means this is your last weekend to get your project together for the Robotics Module Challenge in this year’s Hackaday Prize. We’re looking for tools for robots that blow the...
View ArticleTrashed Vector Game Console Revived With Vintage IBM Monitor
We’ve all had the heartbreak of ordering something online, only to have it arrive in less than mint condition. Such are the risks of plying the global marketplace, only more so for used gear, which...
View Article3D Printed Tank has Slick Tread Design
Tank projects are great because while every tank design is the same in a fundamental way, there’s nevertheless endless variety in the execution and results. [Hoo Jian Li]’s 3D Printed Tank is smartly...
View ArticleBike Helmet Plays Music via Tiny Motors for Bone Conduction
[Matlek] had an interesting problem. On one hand, a 40 minute bike commute without music is a dull event but in France it is illegal for any driver to wear headphones. What to do? Wanting neither to...
View ArticlePrint Your Own Filament
Ask anyone with a 3D printer what they make the most. They’ll probably say “trash.” There are extra pieces, stuff that oozes out of the extruder, support material, parts that didn’t stick to the bed,...
View ArticleBuck Converter Efficiency
We always appreciate when someone takes the time to build something and then demonstrates what different design choices impact using the real hardware. Sure, you can work out the math and do...
View ArticleServo Becomes Mini Linear Actuator
RC servos are a common component in many robotics projects, but [Giovanni Leal] needed linear motion instead of the rotary actuation that servos normally offer. The 3D Printed Mini Linear Actuator was...
View ArticleSomeone Set us Up the Compiler Bomb
Despite the general public’s hijacking of the word “hacker,” we don’t advocate doing disruptive things. However, studying code exploits can often be useful both as an academic exercise and to...
View ArticleSilicon Nanowires Create Flexible Photodetectors
Modern display and solar cell technologies are built with a material called Indium Tin Oxide (ITO). ITO has excellent optical transparency and electrical conductivity, and the material properties...
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