hackaday.com Archives - 05 March 2013, Tuesday

  • Oreo separators Episode 2 chucks food at your face

    Oreo separators Episode 2 chucks food at your face

    hackaday.com 05 Mar '13, 11pm

    Unlike the hatchet-based system shown off in the first episode this machine has a hopper into which several Oreos may be loaded. The demo cookie is like none we’ve seen before because the top portion is pushed off as if it took no effort at all. The creme is then softened with a strea...

  • Viscerally pleasing electromechanical doorbell

    Viscerally pleasing electromechanical doorbell

    hackaday.com 05 Mar '13, 7pm

    Sure, we could just slap the steam-punk label on this doorbell hack, but we think that cheapens it. The rig uses a combination of mercury switch and creative mechanics to form a doorbell . And we think it goes beyond aesthetics to a statement of who you are starting with the front doo...

  • SparkFun takes their educational show on the road

    SparkFun takes their educational show on the road

    hackaday.com 05 Mar '13, 5pm

    They’ve bought an RV and are headed for your state with buckets full of hobby electronic hardware. It’s SparkFun’s National Education tour and if you want them to host a workshop for kids in your area now’s the time to sign up! It’s no stretch to say that our everyday lives are tightl...

  • Digging deep into how the 8085 processor’s registers were designed

    Digging deep into how the 8085 processor’s registers were designed

    hackaday.com 05 Mar '13, 3pm

    Hardware design enthusiasts should already be salivating just looking at this image. But [Ken Shirriff's] write-up on how the 8085 processor’s registers were designed will put you in silicon reverse-engineering heaven. He manages to get to the bottom of the tricks the designers used t...

  • Turning the Samsung Galaxy Note 10.1 into a proper Linux box

    Turning the Samsung Galaxy Note 10.1 into a proper Linux box

    hackaday.com 05 Mar '13, 1pm

    Over on the xda developers forum, [exception13] shows us the work he’s put into geting Debian running on his Samsung Galaxy Note 10.1 , allowing him to dual boot Android and Linux on a single device. The project is still in a fairly early state, but so far [exception13] has most of th...

  • Finally, a machine that makes cheap 3D printer filament.

    Finally, a machine that makes cheap 3D printer filament.

    hackaday.com 05 Mar '13, 12pm

    If there’s one problem with the RepRap, it’s the cost of filament. Sure, there’s also the computationally difficult problem of slicing 3D models, but a 5 to 10 times markup on turning plastic pellets into filament is the biggest problem. It’s even a bigger problem than the problems of...

    Related:
    1. ready-for-battle brainspl.at 14 Mar '13, 3pm
  • Programmable computer built from a humble ATtiny84

    Programmable computer built from a humble ATtiny84

    hackaday.com 05 Mar '13, 11am

    Here’s a way to play around with simple computing concepts without going too crazy with the hardware side of things. [John Eisenmann] calls it the DUO tiny. It’s a programmable computer based around the ATtiny84 . He wrote the operating system himself, building in a set of commands th...

  • Audiobook player used only NFC tags for control

    Audiobook player used only NFC tags for control

    hackaday.com 05 Mar '13, 3am

    [Martynas Mickevičius] has a Grandmother who is visually impaired. She enjoys listening to audiobooks and has been doing so using a DVD player for quite some time. The problem is that there is no way for her to save her position in between listening session. He set out to help by buil...

  • [Fran's] PCB etching techniques

    [Fran's] PCB etching techniques

    hackaday.com 05 Mar '13, 1am

    We think that anyone who’s done at-home PCB fabrication will appreciate the tidiness that [Fran] maintains throughout her etching process. She recently posted a three-part video tutorial which showcases her techniques. As you can see in the screenshot above, her habits reek of top-not...

  • Wireless pinball controller for tablet gaming

    Wireless pinball controller for tablet gaming

    hackaday.com 04 Mar '13, 11pm

    This wooden box is a wireless pinball controller and tablet stand . The idea is to set it on a workbench to give you some of the thrill of standing and playing the real thing. [Jeff] has been rather addicted to playing a pinball app on Android lately, and started the journey because h...

  • A longboard speed and distance computer

    A longboard speed and distance computer

    hackaday.com 04 Mar '13, 9pm

    Why should cyclists have all of the fancy toys? Bicycle computers are very common these days but you won’t find similar hardware for skateboards and longboards. [KobraX22] isn’t taking it lying down. He built this speed and distance computer for his longboard . It doesn’t use very man...

  • Retrotechtacular: Donner 3500 portable analog computer

    Retrotechtacular: Donner 3500 portable analog computer

    hackaday.com 04 Mar '13, 7pm

    What if we told you we had a computer you can take with you? What if it only weighed 28 pounds? This is a pretty hard sell when today you can get a 1.5 GHz quad-core processor packing computer to carry in your pocket which weighs less than 5 ounces. But back in the day the Donner 3500...

  • Preserving locomotives with 3D laser scanning and 3D printing

    hackaday.com 04 Mar '13, 5pm

    [Chris Thorpe] is a model railroading aficionado, and from his earliest memories he was infatuated with the narrow gauge locomotives that plied their odd steel tracks in northern Wales. Of course [Chris] went on to create model railroads, but kit manufacturers such as Airfix and Hornb...

  • Using OpenCV with the Raspberry Pi

    hackaday.com 04 Mar '13, 3pm

    When we first heard of the Raspberry Pi we were elated that projects that once required a full-blown computer could now be done on a tiny, and cheap board running Linux. Unfortunately, we haven’t seen much in the way of using computer vision algorithms on the Raspi, but thanks to [Len...

  • Warming seeds in an outdoor garden

    hackaday.com 04 Mar '13, 1pm

    Spring is almost here and with that the green thumbs out there are preparing for their summer gardens. It’s usually a good idea to get a jump on all your gardening activities by starting seeds indoors, but with this comes the problem of making sure juvenile plants get enough sunlight....

  • DRM Chair only works 8 times

    hackaday.com 04 Mar '13, 12pm

    I hate when people refer to the lightbulb conspiracy. Because there’s two sides to the story. The other side is, that tungsten filament lightbulbs last longer at the expense of energy efficiency and brightness, so companies that boasted longer life bulbs did it by cheating elsewhere –...

  • DRM

    DRM Chair only works 8 times

    hackaday.com 04 Mar '13, 11am

    Download a song from iTunes, and you can only add that song to the music library of five other computers. Grab a copy of the latest Microsoft Office, and you’d better hope you won’t be upgrading your computer any time soon. Obviously DRM is a great tool for companies to make sure we o...

  • Street Art Bot

    Street Art Bot

    hackaday.com 03 Mar '13, 11pm

    For the Deconstruction decentralized hackathon, “The FABricators” from Fab Lab Tulsa built a Street Art Bot . The robot drives around and dispenses liquid chalk in a pattern to make sidewalk art. The FABricators’ robot is based on an electric wheelchair platform. Attached to the base ...

  • For @buzzert

    Hardsync – DDR Reimagined for the C64

    hackaday.com 03 Mar '13, 10pm

    Ironically, a lot of the nicer dance pads (hard mats) are actually built for multiple systems with breakout ports (DB-9′s, usually) that just short pins to a common ground when a panel is stepped on; they’re made this way so that you can buy a small box that will adapt it to a differe...

  • RPi Printer Server for your 3D Printer

    RPi Printer Server for your 3D Printer

    hackaday.com 03 Mar '13, 9pm

    Want to run your 3D printer without your laptop attached? Looking to make your hackerspace printer network accessable? OctoPrint aims to make a 3D print server for the Raspberry Pi. The open source Python project allows you to upload and manage GCODE files on the RPi. You can then sel...

    Related:
    1. ready-for-battle brainspl.at 14 Mar '13, 3pm
  • Building a remote control for a cable release camera

    Building a remote control for a cable release camera

    hackaday.com 03 Mar '13, 7pm

    The solution for “remote” triggering is that black cable which physically attaches to the shutter button. Just depress the plunger at the opposite end and a picture will be snapped. This process is automated with the use of a hobby servo hidden inside the box. It’s driven by an Arduin...

  • Hackerspace Intro: Workshop 88

    Hackerspace Intro: Workshop 88

    hackaday.com 03 Mar '13, 3pm

    If you find yourself in the West suburbs of Chicago, IL with nothing to do you should head over to Workshop 88 . [Andrew Morrison] shot some video at the last public meeting which includes a tour of the facilities. We’ve embedded it after the jump for your convenience. The clip isn’t ...

  • High contrast laser etching

    High contrast laser etching

    hackaday.com 03 Mar '13, 1pm

    The problem with laser etching dark materials is that the areas burnt away by the intense light don’t really stand out from the rest of the surface. [The 5th Fool] is taking a roundabout way of correcting this by topping his laser engravings with contrasting paint . The technique is s...

  • VFD tube clock built using protoboard and free-formed PSU

    VFD tube clock built using protoboard and free-formed PSU

    hackaday.com 02 Mar '13, 9pm

    [James Glanville] wrote in to show of his latest tube project. It’s a clock using six IV-3 VFD tubes . In addition to the tube displays the project prominently features a blue 3D printed case which hides away all the guts of the build including the Stellaris Launchpad which drives the...

  • Virtual Archery game makes practicing convenient, safe, and inexpensive

    hackaday.com 02 Mar '13, 9pm

    Inspired by playing The Legend of Zelda video game series, Cornell University students [Mohamed Abdellatif] and [Michael Ross] created a Virtual Archery game as their ECE 4760 Final Project . The game consists of a bow equipped with virtual arrows and a target placed about 20 ft away....

  • More acetone-vapor polishing experiments

    hackaday.com 02 Mar '13, 7pm

    This is 100% true. I can’t be completely sure that this is what caused the problems (personally, I think the fact that he used polish remover instead of pure acetone is probably the real problem) but I can vouch for the accuracy of this comment. My previous jobs was working for a majo...

  • 24-port GPIO on a PCI card

    24-port GPIO on a PCI card

    hackaday.com 02 Mar '13, 5pm

    So you’ve got a project running on an x86 board and you’d like some GPIO pins. Whether you want to read a few buttons, light up a few LEDs, put an accelerometer in your computer or whatever, you’ve got a problem. Luckily there’s an easy way to get 24 GPIO pins on an x86 board using a ...

  • Building a touchscreen XBMC setup with the Raspberry Pi

    Building a touchscreen XBMC setup with the Raspberry Pi

    hackaday.com 02 Mar '13, 3pm

    The screen is an eGalaxy 7″ touch sensitive module he picked up on eBay. It sounds like it was meant for a backup camera in the dashboard of a car. He compiled his own Linux kernel to add support for the screen. It uses HDMI for the video interface with the driver board, and the touch...

  • Laser Etching an iPhone 5

    Laser Etching an iPhone 5

    hackaday.com 02 Mar '13, 1pm

    CrashBangLabs in Regina recently got their hands on a laser cutter. The Full Spectrum cutter was donated by a local company, who were upgrading to a larger machine. With no laser cutting experience, [Brett] decided that his first project would be laser engraving his iPhone 5 . This is...

  • Cool new hardware spectacular

    hackaday.com 02 Mar '13, 3am

    It should come as no surprise the Hackaday tip line is regularly flooded with press releases. Everything from an infographic comparing Call of Duty 3 to Battlefield 3 (yes, totally serious), announcements that a company we’ve never heard of is getting a new CFO, to the business propos...