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Cut Through The Noise, See Tiny Signals
An oscilloscope is a handy tool for measuring signals of all kinds, but it’s especially useful if you want to measure something with a periodic component. Modern oscilloscopes have all kinds of...
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SMORES Robot Finds Its Own Way To The Campfire
Robots that can dynamically reconfigure themselves to adapt to their environments offer a promising advantage over their less dynamic cousins. Researchers have been working through all the challenges...
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Cooking Eggs with Magnets in Motion
It’s probably always going to be easier to just find some dry wood and make a cooking fire, but if you’re ever in a real bind and just happen to have a bunch of magnets and a treadmill motor, this DIY...
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Teardown and Repair of a Police Recorder
You should probably hope you haven’t seen [Techmoan’s] cassette recorder before. That’s because it is a Neal interview recorder that was mainly used by police to tape interrogations. This one was...
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Gyro Controlled RGB Blinky Ball Will Light up Your Life
[James Bruton], from the XRobots YouTube channel is known for his multipart robot and cosplay builds. Occasionally, though, he creates a one-off build. Recently, he created a video showing how to...
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Save a Few Steps on Your Next Build with These Easy Linear Actuators
A lot of projects require linear motion, but not all of them require high-accuracy linear slides and expensive ball screws. When just a little shove for a door or the ability to pop something up out...
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Analog Synth, But In Cello Form
For one reason or another, electronic synthesizing musical instruments are mostly based around the keyboard. Sure, you’ve got the theremin and other oddities, but VCAs and VCFs are mostly the domain...
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Who’s Going On Your Fifty?
You can tell a lot about a country, its history and its politics, by taking a look at its banknotes. Who features on them, or in the case of studiously engineered international compromises such as the...
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Competitive Soldering Gets Heated at Hackaday Superconference
The Hackaday Superconference is in full swing, and in addition to the greatest hardware hackers, a great gathering of tinkerers, awesome talks, badge hacking, and so much more, we’ve also got...
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Arduino Nitrox Analyzer for the Submarine Hacker
For Hackaday readers who don’t spend their free time underwater, nitrox is a blend of nitrogen and oxygen that’s popular with scuba divers. Compared to atmospheric air, nitrox has a higher...
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Dexter Robotic Arm Wins the 2018 Hackaday Prize
Dexter, an open-source, high-precision, trainable robotic arm has just been named the Grand Prize winner of the 2018 Hackaday Prize. The award for claiming the top place in this nine-month global...
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TouchYou: Wearable Touch Sensor and Stimulator
Some of us might never know the touch of another human, but this project in the Hackaday Prize might just be the solution. It’s TouchYou, [Leonardo]’s idea for a wearable device that allows anyone to...
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Green LED Means GO For Supercon Badge Hacking
In addition to great speakers and enlightening workshops at Supercon, we have an area set aside for attendees to hack on their conference badges. There is no prerequisite beyond having a badge and a...
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Weather Station Is A Tutorial in Low Power Design
Building your own weather station is a fun project in itself, but building it to be self-sufficient and off-grid adds another set of challenges to the mix. You’ll need a battery and a solar panel to...
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Quick and Dirty MIDI Interface with USBASP
[Robson Couto] recently found himself in need of MIDI interface for a project he was working on, but didn’t want to buy one just to use it once; we’ve all been there. Being the creative fellow that he...
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Living Hinges at the Next Level
First of all, a living hinge is not a biological entity nor does it move on its own. Think of the top of a Tic Tac container where the lid and the cover are a single piece, and the thin plastic...
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Pint-sized Jacob’s Ladder Packs 10,000 Volts in a Pickle Jar
File this one away for your mad scientist costume next Halloween: [bitluni]’s Pocket Jacob’s Ladder is the perfect high voltage accessory for those folks with five dollars in parts, a 3D printer, and...
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Arachnid Ale Uses Yeast to Make Spider Silk
Many people who read Hackaday hold the title of “Webmaster” but [The Thought Emporium] is after slightly different credentials with the same title. He aims to modify a strain of yeast to produce spider...
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Homebrew Attachment Turns Angle Grinder into Slimline Belt Sander
If there’s a small power tool as hackable as the angle grinder, we haven’t found it yet. These versatile tools put a lot of power in the palm of your hand, and even unhacked they have a huge range of...
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A QR Code, Step By Step
We should all be familiar with QR codes, those blocky printed patterns containing encoded text, URLs, or other data. A few years ago they were subject to their own cloud of hype, but now they have...
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