Roll Your Own Magnetic Encoder Disks
https://hackaday.com/2018/01/30/roll-your-own-magnetic-encoder-disks/
https://hackaday.com/2018/01/30/roll-your-own-magnetic-encoder-disks/
Hackaday
Roll Your Own Magnetic Encoder Disks
[Erich] is the middle of building a new competition sumo bot for 2018. He’s trying to make this one as open and low-cost as humanly possible. So far it’s going pretty well, and the ques…
Jill Tarter: Searching for E.T.
https://hackaday.com/2018/01/30/jill-tarter-searching-for-e-t/
https://hackaday.com/2018/01/30/jill-tarter-searching-for-e-t/
Hackaday
Jill Tarter: Searching for E.T.
What must it be like to devote your life to answering a single simple but monumental question: Are we alone? Astronomer Jill Tarter would know better than most what it’s like, and knows that …
Making the Case for Open Source Medical Devices
https://hackaday.com/2018/01/30/making-the-case-for-open-source-medical-devices/
https://hackaday.com/2018/01/30/making-the-case-for-open-source-medical-devices/
Hackaday
Making the Case for Open Source Medical Devices
Engineering for medical, automotive, and aerospace is highly regulated. It’s not difficult to see why: lives are often at stake when devices in these fields fail. The cost of certifying and w…
Repairs You Can Print: Broken Glue Gun Triggers Replacement
https://hackaday.com/2018/01/30/repairs-you-can-print-broken-glue-gun-triggers-replacement/
https://hackaday.com/2018/01/30/repairs-you-can-print-broken-glue-gun-triggers-replacement/
Hackaday
Repairs You Can Print: Broken Glue Gun Triggers Replacement
Picture this: you need to buy a simple tool like a glue gun. There’s usually not a whole lot going on in that particular piece of technology, so you base your decision on the power rating and…
Smell That? It’s time.
https://hackaday.com/2018/01/30/smell-that-its-time/
https://hackaday.com/2018/01/30/smell-that-its-time/
Hackaday
Smell That? It’s time.
Steampunk is beautiful. There is something about the exposed metal and primitive looking artifacts that visually appeal to the brain of a maker and engineer alike. Makers have been busy the last de…
Cell Phone Surveillance Car
https://hackaday.com/2018/01/30/cell-phone-surveillance-car/
https://hackaday.com/2018/01/30/cell-phone-surveillance-car/
Hackaday
Cell Phone Surveillance Car
There are many viable options for home security systems, but where is the fun in watching a static camera feed from inside your place? The freedom to really look around might have been what compell…
Kids Kitchen That Says BEEP
https://hackaday.com/2018/01/30/kids-kitchen-that-says-beep/
https://hackaday.com/2018/01/30/kids-kitchen-that-says-beep/
Hackaday
Kids Kitchen That Says BEEP
Children have always liked to learn by copying the adults around them, and thus have always desired toys that emulate the tools which their older forebears use on a daily basis. [rhoalt]’s da…
What Is This, A Controller For Ants?!
https://hackaday.com/2018/01/31/what-is-this-a-controller-for-ants/
https://hackaday.com/2018/01/31/what-is-this-a-controller-for-ants/
Hackaday
What Is This, A Controller For Ants?!
What’s the smallest controller you’ve ever used? [BitBuilt] forum user [Madmorda] picked up a cool little GameCube controller keychain with semi-working buttons at her local GameStop. A…
Strumbot: The Guitar that Strums Itself
https://hackaday.com/2018/01/31/strumbot-the-guitar-that-strums-itself/
https://hackaday.com/2018/01/31/strumbot-the-guitar-that-strums-itself/
Hackaday
Strumbot: The Guitar that Strums Itself
[Clare] isn’t the most musically inclined person, but she can strum a guitar. Thanks to a little help from an Arduino, she doesn’t even have to do that. She built the strumbot, which ha…
Global Resistor Shortage, Economics, and Consumer Behavior
https://hackaday.com/2018/01/31/global-resistor-shortage-economics-and-consumer-behavior/
https://hackaday.com/2018/01/31/global-resistor-shortage-economics-and-consumer-behavior/
Hackaday
Global Resistor Shortage, Economics, and Consumer Behavior
The passive component industry — the manufacturers who make the boring but vital resistors, capacitors, and diodes found in every single electronic device — is on the cusp of a shortage…
Repairs You Can Print: The Zipper Box
https://hackaday.com/2018/01/31/repairs-you-can-print-the-zipper-box/
https://hackaday.com/2018/01/31/repairs-you-can-print-the-zipper-box/
Hackaday
Repairs You Can Print: The Zipper Box
Picture it: winter, a few years ago. [Ted Yapo]’s son is sent to the front lines of a snowball war. He rises to the task, pelting kid after kid with ease and taking down the Johnson twins wit…
Friday Hack Chat: Circuit Python
https://hackaday.com/2018/01/31/friday-hack-chat-circuit-python/
https://hackaday.com/2018/01/31/friday-hack-chat-circuit-python/
Hackaday
Friday Hack Chat: Circuit Python
Back in the olden days, if you wanted to learn how to program a computer, you used the BASIC interpreter stored in ROM. This is how an entire generation of devs learned how to program. Now, home co…
Quantum Communications in Your Browser
https://hackaday.com/2018/01/31/quantum-communications-in-your-browser/
https://hackaday.com/2018/01/31/quantum-communications-in-your-browser/
Hackaday
Quantum Communications in Your Browser
Quantum computing (QC) is a big topic, and last time I was only able to walk you through the construction of a few logic gates, but you have to start somewhere. If you haven’t read that part,…
The Engineering Analysis Of Plastic-Dissolving Lubricant
https://hackaday.com/2018/01/31/the-engineering-analysis-of-plastic-dissolving-lubricant/
https://hackaday.com/2018/01/31/the-engineering-analysis-of-plastic-dissolving-lubricant/
Hackaday
The Engineering Analysis Of Plastic-Dissolving Lubricant
Over the years, E3D has made a name for themselves as a manufacturer of very high-quality hotends for 3D printers and other printer ephemera. One of their more successful products is the Titan Extr…
Repairs You Can Print: Racing the Clock for a Dishwasher Fix
https://hackaday.com/2018/01/31/repairs-you-can-print-racing-the-clock-for-a-dishwasher-fix/
https://hackaday.com/2018/01/31/repairs-you-can-print-racing-the-clock-for-a-dishwasher-fix/
Hackaday
Repairs You Can Print: Racing the Clock for a Dishwasher Fix
No matter how mad your 3D printing skills may be, there comes a time when it makes more sense to order a replacement part than print it. For [billchurch], that time was the five-hour window he had …
Junk Build Printer Uses Pencil To Print
https://hackaday.com/2018/01/31/junk-build-printer-uses-pencil-to-print/
https://hackaday.com/2018/01/31/junk-build-printer-uses-pencil-to-print/
Hackaday
Junk Build Printer Uses Pencil To Print
Sometimes, it is interesting to see what you can build from the bits that you have in your junk drawer. [Dr West] decided to build a printer with spare parts including a hard drive, a scanner base …
Router Rebooter Eliminates Hassles
https://hackaday.com/2018/01/31/router-rebooter-eliminates-hassles/
https://hackaday.com/2018/01/31/router-rebooter-eliminates-hassles/
Hackaday
Router Rebooter Eliminates Hassles
Some low-end or older routers might get you a decent WiFi network in your house or apartment, but often these cheaply made devices are plagued with subtle software problems that cause the router it…
Putting the Pi In Piano
https://hackaday.com/2018/01/31/putting-the-pi-in-piano/
https://hackaday.com/2018/01/31/putting-the-pi-in-piano/
Hackaday
Putting the Pi In Piano
Working on a PhD in composition, [Stephen Coyle] spends a fair bit of time at his electric keyboard. Setting himself up to work can be a bit of a task, so he felt he could improve the process and m…
Sculptural Grade M&M Sorter
https://hackaday.com/2018/02/01/sculptural-grade-mm-sorter/
https://hackaday.com/2018/02/01/sculptural-grade-mm-sorter/
Hackaday
Sculptural Grade M&M Sorter
Sorting M&Ms is really only a major concern if you happen to be working on a Van Halen tour, but it’s a fun excercise nonetheless. It’s for this reason we see plenty of sorting proj…
Oscilloscope Art From Your Browser
https://hackaday.com/2018/02/01/oscilloscope-art-from-your-browser/
https://hackaday.com/2018/02/01/oscilloscope-art-from-your-browser/
Hackaday
Oscilloscope Art From Your Browser
Oscilloscope art is a fascinating pursuit in which waveforms are generated for the X an Y channels of an oscilloscope to draw pictures on its screen. It’s somewhat distinct from vector comput…