hackaday.com Archives - 02 April 2015, Thursday

  • CRAYFIS Hijacks our Cellphones for a Worldwide Cosmic Ray Detector

    CRAYFIS Hijacks our Cellphones for a Worldwide Cosmic Ray Detector | Hackaday

    hackaday.com 01 Apr '15, 8pm

    Although scientists have known about Ultra-High Energy Cosmic Rays (UHECRs) for years, nobody can pinpoint their origin. When these UHECRs hit the ground, however, they cause a widespread local disturbance called an air shower . This air shower is a wide dispersion of photons, muons, ...

  • Robot Arm Wields Laser, Cares Not For Your Safety

    Robot Arm Wields Laser, Cares Not For Your Safety | Hackaday

    hackaday.com 01 Apr '15, 5pm

    Here at Hackaday we’ve covered a bunch of DIY laser diode projects. And for good reason, they are just cool. We’ve seen people add lasers to their 3D printers , stick one in a milling machine , use a highly modified scanner and even build a simple XY gantry specifically for the task. ...

  • The Raspberry Pi Wearable Revolution | Hackaday

    hackaday.com 01 Apr '15, 11am

    With the human URL [will.i.am] serving as Chief Creative Director of 3D Systems, and [Martha Stewart] selling her own line of 3D printer filament through MakerBot, more and more celebrities are piling onto the hacker, maker, and DIY revolution. Now, the partnership we’ve all been wait...

  • Automated Robotic Target Practice

    Automated Robotic Target Practice | Hackaday

    hackaday.com 01 Apr '15, 8am

    Fan of shooting things? Jealous of proper shooting ranges? Why not build your own automated target practice rig with a few servos and an ATMega168? [Cowboy Bob] of Making Stuff decided he needed a practice target, and wanted to make it a bit more interesting than throwing up some beer...

  • 20 MPH IKEA Poäng Chair With Aerospace-Inspired Control Panel

    20 MPH IKEA Poäng Chair With Aerospace-Inspired Control Panel | Hackaday

    hackaday.com 01 Apr '15, 5am

    Spending time at work sitting on the same drab chair can get boring after a while, even if you’re lucky to use a comfortable recliner. If you want to win the Office Olympics, you need something with a bit of pep. [StuffAndyMakes] wanted to build a completely ridiculous motorized offic...

  • Visualizing Digital Logic With EL Wire

    Visualizing Digital Logic With EL Wire | Hackaday

    hackaday.com 01 Apr '15, 2am

    [Bob] and [Aubrey] run the System Source Computer Museum a little north of Baltimore, Maryland. For an exhibit, they thought a visual representation of digital logic and came up with a two-bit binary adder . Yes, it’s just a full adder and exactly what you would find somewhere in the ...

  • Poking Around Textiles With Your Multimeter

    Poking Around Textiles With Your Multimeter | Hackaday

    hackaday.com 31 Mar '15, 11pm

    Looking for a fun wearable electronics project? While you can buy specific fabric and conductive thread for your projects, sometimes you can even find conductive fabric where you might not expect it! In this latest video by Adafruit, [Becky Stern] goes undercover at a fabrics store wi...

  • Meet The Machines That Build Complex PCBs

    Meet The Machines That Build Complex PCBs | Hackaday

    hackaday.com 31 Mar '15, 8pm

    You can etch a simple PCB at home with a few chemicals and some patience. However, once you get to multilayer boards, you’re going to want to pay someone to do the dirty work. The folks behind the USB Armory project visited the factories that build their 6 layer PCB and assemble their...

  • Measure as Little as You Want with openQCM

    Measure as Little as You Want with openQCM | Hackaday

    hackaday.com 31 Mar '15, 11am

    The clever folks over at [Novaetech SRL] have unveiled openQCM, their open-source quartz crystal microbalance . A QCM measures very minute amounts of mass or mass variation using the piezoelectric properties of quartz crystal. When an object is placed on the surface of this sensor, th...

  • Chinese Whispers For Arduino | Hackaday

    hackaday.com 31 Mar '15, 5am

    OK, gremlins and neutrinos are amusing, but hopefully no one thinks either of those are a realistic cause. Unshielded wire would almost never cause a bit error in a large-swing signal like this – especially not over such a short distance. I mean, a short bit of wire is a crappy antenn...

  • New Part Day: Modern PALs | Hackaday

    hackaday.com 31 Mar '15, 2am

    Back in the bad old days, if you needed a little bit of custom logic you would whip out a tiny chip known as a PAL. A Programmable Logic Array is just what it sounds like and is the forerunner of modern, unsolderable CPLDs and FPGAs. PALs and GALs have died off, left to the wastes of ...

  • Reverse Engineering An RC Spy Tank | Hackaday

    hackaday.com 30 Mar '15, 11pm

    [Michael] sells a remote control spy tank through his company, and although it’s a toy, there’s an impressive amount of electronics in this R/C tank. It’s controlled from an Android or iDevice over a WiFi connection, something that simply won’t do if you’re trying to sell this to the ...

  • Take That Mario! 3D Printed Red Tortoise Shell Armor!

    Take That Mario! 3D Printed Red Tortoise Shell Armor! | Hackaday

    hackaday.com 30 Mar '15, 8pm

    Between all the media coverage of using 3D printers for human prosthetics, some individuals are making a difference for animals too by using 3D printing. And here’s one we really didn’t expect; a replacement shell for a tortoise! We’ve all seen the heartwarming articles about pups get...

  • Who Wants Night Vision Eye Drops?

    Who Wants Night Vision Eye Drops? | Hackaday

    hackaday.com 30 Mar '15, 5pm

    A team of adventurous biohackers have successfully played with an interesting type of chlorophyll, called Chlorin e6 by putting it in their eyes… and the result? Well, they kind of obtained night vision. Say what? Chlorin e6 is a chlorophyll analog that is found in deep-sea fish, and ...

  • Modern Tools From Old Table Saws | Hackaday

    hackaday.com 30 Mar '15, 8am

    Somehow or another, the modern hackerspace isn’t centered around table saws, drill presses, band saws, lathes, or mills. The 3D printer and laser cutter are the tools of the future. No one has yet figured out how to build a 3D printer or laser cutter out of several hundred pounds of c...

  • WiFi Sucks for RC Vehicles, Upgrade to 3G | Hackaday

    hackaday.com 30 Mar '15, 5am

    This is the Kyosho Blizzard, a tracked remote control vehicle that’s a blast to take out in the rapidly retreating snowpack. [Antibore] was interested in performance testing the range of the thing. It includes a camera that streams video back to a tablet or smartphone. Both the video ...

  • Internet Knows Your Every Move Thanks to IKEA and ESP8266 | Hackaday

    hackaday.com 30 Mar '15, 2am

    [terenceang] got his feet wet with the ESP8266 WiFi module by hacking up an IKEA Molgan PIR light . The stock PIR light simply lights when motion is detected. [terenceang] added some extra functionality to it by making it send notifications to his phone as well. The default configurat...

  • Hackaday Links: March 29, 2015 | Hackaday

    hackaday.com 29 Mar '15, 11pm

    Every once in a while, the Hackaday Overlords have a Hardware Developers Didactic Galactic in San Francisco. Last week was #06 featuring [Mike Estee] from Othermill and Hackaday writer [Joshua Vasquez] talking about synthesizing an SPI slave in an FPGA. Video here . It’s no secret tha...

  • Measuring Alcohol Content With Time of Flight Sensors

    Measuring Alcohol Content With Time of Flight Sensors | Hackaday

    hackaday.com 29 Mar '15, 8pm

    [Chris] is a homebrewer – the tasty kind – and wanted a way to track the rate of specific gravity against temperature. Tracking temperature is easy, all you need is a 1-wire temperature probe hooked up to the microcontroller of your choice. Logging the rate of fermentation isn’t as si...

  • 3D Printed Mechanical Keyboard

    3D Printed Mechanical Keyboard | Hackaday

    hackaday.com 29 Mar '15, 5pm

    Tired of buying boring keyboards with almost no customization available? We’ve seen lots of keyboard hacks before, but if you want to take it a step further — why not make it from scratch and have it 3D printed? Reddit user [Wildpanic] has just finished his first attempt at a 3D print...

  • Electric Skateboard Rev’ed to Version 2

    Electric Skateboard Rev’ed to Version 2 | Hackaday

    hackaday.com 29 Mar '15, 2pm

    What’s cooler than a sweet skateboard? A sweet electric skateboard! And the only thing cooler than that is a DIY electric skateboard. [comsa42] has proven to be a DIY electric skateboard aficionado with his new project . It’s a rebuild and upgrade from his electric longboard that has ...

  • Reverse Engineering Lattice’s iCE40 FPGA Bitstream

    Reverse Engineering Lattice’s iCE40 FPGA Bitstream | Hackaday

    hackaday.com 29 Mar '15, 11am

    Unlike microcontroller projects, projects involving FPGAs cannot yet claim to rely on a mature open-source toolchain. Each FPGA will, at some point, need to be configured with a proprietary bitstream produced from a closed source synthesis tool. This lack of a full FPGA toolchain to t...

  • Apple ][ Disk Emulation

    Apple ][ Disk Emulation | Hackaday

    hackaday.com 29 Mar '15, 8am

    A while ago, [Steve] over at Big Mess ‘O Wires created a device that would emulate old Macintosh disk drives, storing all the data on an SD card. No, it’s not SCSI; the early Apples had a DB-19 connector for connecting 400 and 800kB disk drives. It’s a great piece of hardware for boot...

  • Resourceful DIY Brushless Hand-held Camera Gimbal

    Resourceful DIY Brushless Hand-held Camera Gimbal | Hackaday

    hackaday.com 29 Mar '15, 5am

    Holding a video camera while shooting video can lead to finished footage that has some serious shakes. Lucky for us there are some solutions to this problem such as a passive steady cam stabilizer or an active motor-driven gimbal. [Oscar] wanted a smooth-operating brushless motor gimb...

  • Arduino IDE Support for the ESP8266 | Hackaday

    hackaday.com 29 Mar '15, 2am

    Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finally, this has changed. After many months of coding, the Arduino IDE supports the ESP8266 m...

  • In Which Robots Fight the Console Wars

    In Which Robots Fight the Console Wars | Hackaday

    hackaday.com 28 Mar '15, 11pm

    Though the names have changed over the years, the console wars wage on. [moop] must have been feeling nostalgic for the NES vs. SEGA days when he started his current project, Foobot , which is a tabletop football (soccer) game played by robots that are controlled with classic NES and ...

  • Arduino v Arduino: Part II | Hackaday

    hackaday.com 28 Mar '15, 8pm

    >So why only pop up the warning for SRL boards? There are dozens of cloneduinos out there; The other dozens aren’t branding their clone boards of companies with the registered trademark of ardiono LLC. If Coca Cola sold a plant where it’s syrup was made, complete with equipment to a c...

  • Arduino SRL to Distributors: “We’re the REAL Arduino”

    Arduino SRL to Distributors: “We’re the REAL Arduino” | Hackaday

    hackaday.com 28 Mar '15, 8pm

    At this time we feel it necessary to update our partners on the state of Arduino® products and the distribution business which you are a key part of. Arduino Srl (aka Smart Projects Srl), as you know has been from the beginning of the Arduino® project, the place where the ideas were t...

  • A Recycled Robot Arm For All!

    A Recycled Robot Arm For All! | Hackaday

    hackaday.com 28 Mar '15, 5pm

    It’s mind boggling how much e-waste we throw out. Perfectly good components, mass produced for pennies. And at the end of their life, going straight to a landfill or some poor country to be melted down. Don’t you wish you could help? Stepper motors are a dime a dozen when it comes to ...

  • Speaking CAN With Open Source Hardware | Hackaday

    hackaday.com 28 Mar '15, 2pm

    You can buy a dongle with a weird industrial connector that fits under the dash of any car on the road for $15. This is just a simple ODB-II transceiver meant for reading error codes and turning a Crown Vic into a police interceptor. There’s a lot more to the CAN Bus than ODB-II; robo...