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Roboshield Helps Your Robot Walk and Talk
The joy of building robots comes from being able to imbue them with as much or as little personality and functionality as you wish during the design and build process. While creative flair and...
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Disney’s New Robot Limbs Trained Using Neural Networks
Disney is working on modular, intelligent robot limbs that snap into place with magnets. The intelligence comes from a reasonable sized neural network that also incorporates some modularity. The robot...
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Launching Fireworks with Raspberry Pi this Fourth of July
It’s that time of year again in the United States, and the skies will soon be alight with pyrotechnic displays, both professional and amateur. Amazing fireworks are freely available, sometimes legally,...
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Friday Hack Chat: Fire and Cars
Summer is here, and it’s time for the question on everyone’s mind: how are they going to get the fuselage of a 747 from the California desert to Burning Man? You can’t put it on a train, and it’s much...
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Calculus and a Calculator
Earlier this year, [Dan Maloney] went inside mechanical calculators. Being the practical sort, [Dan] jumped right into the Pascaline invented by Blaise Pascal. It couldn’t multiply or divide. He then...
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Nonpareil RPN HP-41 Calculator Build
The early HP Reverse Polish Notation calculators have a special place in the hearts of engineers and tinkerers as there are lots of projects involving them. They haven’t been produced in decades, but...
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Spraychalk Anoints your Sidewalks with Precision Sandprints
Giant lines in the sand are incredibly useful for pleasing the gods and hailing overpassing extraterrestrials. Beautiful, unwarranted spray-painted sidewalks might land you in detention with local law...
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Build Your Own Rowing Machine, Now With Digital Readout!
An ergometer is a fancy fitness word for a rowing machine, a device which can be used to work out the muscles used in rowing. It’s an excellent cardio workout that can also build upper body strength,...
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Hackaday Journal Completes First Review Process, Seeks More Submissions
Congratulations and thank you go to Theodore Yapo for authoring the first paper to complete the peer review process for the Hackaday Journal. You can read the standalone paper here; it will be included...
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Wrangling RC Servos Becoming a Hassle? Try Serial Bus Servos!
When we need actuators for a project, a servo from the remote-control hobby world is a popular solution. Though as the number of servos go up, keeping their wires neat and managing their control...
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A Flashlight Powered by Your Hot Little Hands
We are smack-dab in the middle of our Energy Harvesting Challenge, and [wasimashu] might have this one in the palm of his hand. Imagine a compact flashlight that doesn’t need batteries or bulbs. You’d...
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Junk Bin Self Balancing Bot With ESP8266
As we all know, sometimes the projects we plan simply never materialize. You have an idea, maybe even buy some of the parts you need, and then…nothing. Maybe you changed your mind, or maybe the idea...
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Casting Tour-De-Force Results In Swashplate For Scale Helicopter
While quadcopters seem to attract all the attention of the moment, spare some love for the rotary-wing aircraft that started it all: the helicopter. Quads may abstract away most of the aerodynamic...
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Electronic ColorChord Turns Color Into Sound
[Dr. Cockroach] has delighted us again with another of his circuits on cardboard. He calls it steampunk inspired, and while we guess we can see what he’s getting at, it’s more like a sweet example of...
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A Sneak Preview Of The Hacker Warehouse Badge
We were lucky enough to get our hands on a hand-soldered prototype of the new Hacker Warehouse badge, and boy is this one a treat. It’s fashionable, it’s blinky, and most impressively, it’s a very...
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DIY Socket for Prosthetics Contains Power Supply, Charger
Innovation in prosthetics is open to anyone looking to enhance the quality of life, but there’s an aspect of it that is sometimes under-served. The DIY Prosthetic Socket entry to the Hackaday Prize is...
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A 38-Year-Old Vocoder Project
It is hard to remember that scant decades ago, electronic magazines — the pre-Internet equivalent of blogs — featured lots of audio circuits based on analog processing. Music synthesizers were popular...
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Dollar Store PCB Holder System
As you get into electronic fabrication and repair, one of the first things you realize is how hard it can be to hold a PCB still while you work on it. Securing them is difficult due to their very...
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There’s A Computer In This Hard Drive
Throughout the history of personal computers, there are some unique form factors. The 3com Audrey was sold as a computing appliance, meant to sit on a kitchen counter, to display recipes or something....
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A Unique Microphone Preamp
We live in a world in which nearly any kind of gadget or tool you can imagine is just a few clicks away. In many respects, this has helped fuel the maker culture over the last decade or so; now that...
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