hackaday.com Archives - 30 October 2014, Thursday

  • A Graphics Card for a Homebrew Computer

    hackaday.com 30 Oct '14, 8am

    Wiring check might be worthwhile. It looks like unused input pins are left floating. That’s generally not good practice with CMOS, as the input structures have high enough impedance that they tend to pick up stray EMI and needlessly toggle their input state, consuming a bit of extra c...

  • Bluetooth-Enabled Danger Sign for Lab

    Bluetooth-Enabled Danger Sign for Lab

    hackaday.com 30 Oct '14, 5am

    [A Raymond] had some free time at work, and decided to spend it on creating a wireless warning sign . According to his blog profile, he is a PhD student in Applied Physics. His lab utilizes a high-powered laser system. His job is to use said system, but only after it’s brought online ...

  • Espruino Pico, Javascript on a USB Stick

    Espruino Pico, Javascript on a USB Stick

    hackaday.com 30 Oct '14, 2am

    There are probably very few official numbers for this, but web developers at least seem to outnumber the amount of people who regularly poke pins and registers with C. For them, the embedded world must be a scary and foreboding domain, full of bitwise operations and dynamic types. [Go...

  • From Nerf Gun to RF Cannon: Building a Movie Prop

    From Nerf Gun to RF Cannon: Building a Movie Prop

    hackaday.com 29 Oct '14, 11pm

    [David Windestål] is back in the USA, and this time he’s armed and dangerous! He’s built an incredible RF cannon prop (YouTube link) as part of his drone hunter wardrobe for the Rotor DR1 series . [David] is no stranger to Hackaday. We’ve previously seen him gliding R/C planes from th...

  • The Hackaday Prize: Interview With A ChipWhisperer

    The Hackaday Prize: Interview With A ChipWhisperer

    hackaday.com 29 Oct '14, 8pm

    Every finalist for The Hackaday Prize has some aspect of it that hasn’t been done before; finding the chemical composition of everything with some 3D printed parts is novel, as is building a global network of satellite ground stations with off the shelf components. [Colin]‘s ChipWhisp...

  • Nikes With Power Laces, Just in Time for Next Year

    hackaday.com 29 Oct '14, 5pm

    “Although the self-lacing shoes appeared to be complicated technology, with remote controls and small motors, designed specifically for the film, Bob Gale explained in the commentary to the second film that the special effect was actually quite simple. The first shot was of Marty putt...

  • A Proof of Concept Flash Cart for the WonderSwan

    A Proof of Concept Flash Cart for the WonderSwan

    hackaday.com 29 Oct '14, 5am

    Unless you’ve been to Japan or are fairly deep into the retro game collecting, you’ve probably never heard of the WonderSwan. It’s a handheld console, released after the Game Boy Color was beginning to show its age, and a bit before the introduction of the Game Boy Advance. It sold ra...

  • This Home-Made 6-Axis Robotic Arm is Quite the Looker

    This Home-Made 6-Axis Robotic Arm is Quite the Looker

    hackaday.com 29 Oct '14, 2am

    With a background in software engineering, [Kris Temmerman] decided to make a physical demonstration of his knowledge in the form of a six axis robotic arm … the final product is a delicious display of mechanical eye candy. Built from mostly aluminum stock, [Kris] machined the bulk of...

  • Make Flexible PCBs with Your 3D Printer

    Make Flexible PCBs with Your 3D Printer

    hackaday.com 28 Oct '14, 11pm

    A bit of spray adhesive will hold the Flex PCB down on the printer’s bed. The only issue is convincing the printer to print a few thousandths of an inch higher than the actual bed level. Rather than change the home position on his Z axis, [Mikey77] used AutoDesk 123D to create 3D PCB ...

  • Adventures in Hackerspacing: GA Tech’s Invention Studio

    Adventures in Hackerspacing: GA Tech’s Invention Studio

    hackaday.com 28 Oct '14, 2pm

    We feature hacker/makerspaces of all kinds here at Hackaday, and these days, encountering a hackerspace at a college or university isn’t uncommon. School-backed spaces are often mildly impressive, too, with plenty of room and better-than-most equipment. Georgia Tech’s Invention Studio...

  • SAINTCON Badge (Badge Hacking for Mortals)

    SAINTCON Badge (Badge Hacking for Mortals)

    hackaday.com 28 Oct '14, 11am

    [Josh] mentions that this is nothing compared to the DEFCON badge. Badge hacking at DEFCON is **HARD**; and that’s good. It’s in the top-tier of security conferences and people who start the badge-solving journey expect the challenge. But if you’re not ready for that level of puzzle, ...

  • Restoring A PDP-10 Console Panel

    Restoring A PDP-10 Console Panel

    hackaday.com 28 Oct '14, 8am

    The PDP-10 was one of the first computers [Jörg] had gotten his hands on, and there are very, very few people that can deny the beauty of a panel full of buttons, LEDs, dials, and analog meters. When one of the front panels for a PDP-10 showed up on eBay, [Jörg] couldn’t resist; a pur...

  • Flying Wing Project uses 3D Printing to Reach New Heights

    hackaday.com 28 Oct '14, 5am

    A team of engineers from the Advanced Manufacturing Research Centre at the University of Sheffield have just put the finishing touches on their 3D printed Flying Wing with electric ducted fan engines — a mini electric jet so to speak. Earlier this year they had created a completely 3D...

  • Hybrid 50cc Ultracapacitor Scooter

    Hybrid 50cc Ultracapacitor Scooter

    hackaday.com 28 Oct '14, 2am

    We’re all familiar with hybrid gas-electric cars these days, but how about a hybrid scooter that uses supercapacitors instead of batteries? Our hats are off to [Alex] from Labs Bell for the almost entirely-DIY conversion. The hybrid idea is to drive the vehicle’s wheels with electric ...

  • 8×8 LED Arrays Make for one Creepy Animated Pumpkin

    hackaday.com 27 Oct '14, 11pm

    8×8 LED Arrays Make for one Creepy Animated Pumpkin October 27, 2014 By James Hobson 5 Comments [Michal Janyst] wrote in to tell us about a little project he made for his nephew in preparation for Halloween – a jack-o-lantern with facial expressions. Pumpkin Eyes uses two MAX7219 LED ...

  • Who Will Win the Hackaday Prize? Judging Begins Tonight

    Who Will Win the Hackaday Prize? Judging Begins Tonight

    hackaday.com 27 Oct '14, 8pm

    It’s been a long road for each of the five finalists; but after tonight they can breathe easy. The last judging round of the 2014 Hackaday Prize begins at 11:50pm PDT. Each finalist must finish documenting their project by that time as a cached version of each of the project pages wil...

  • Simple POV Bike Effects with WS2811 Strips

    Simple POV Bike Effects with WS2811 Strips

    hackaday.com 27 Oct '14, 5pm

    [Andrew] wrote in with a new take on the classic persistence of vision bike spoke hack . While many of these POV setups use custom PCBs and discrete LEDs, [Andrew]‘s design uses readily available off-the-shelf components: WS2811 LED strips, an Arduino, an Invensense IMU breakout board...

  • Ask Hackaday: Sequences of Sequences

    Ask Hackaday: Sequences of Sequences

    hackaday.com 27 Oct '14, 2pm

    In a previous article , we talked about the idea of the invariant representation and theorized different ways of implementing such an idea in silicon. The hypothetical example of identifying a song without knowledge of pitch or form was used to help create a foundation to support the ...

  • The Solution to the 10th Anniversary Code

    The Solution to the 10th Anniversary Code

    hackaday.com 27 Oct '14, 11am

    A few weeks ago, [1o57], a.k.a. [Ryan Clarke] gave a talk about the puzzles, DEFCON, and turning crypto puzzles into an art form at our 10th anniversary party . Ever the trickster, [1o57] included a crypto challenge in his talk, and a few days after our little shindig, nobody had yet ...

  • The Proto BuildBar is Exactly What it Sounds Like, and it Sounds Awesome

    The Proto BuildBar is Exactly What it Sounds Like, and it Sounds Awesome

    hackaday.com 27 Oct '14, 8am

    People of Dayton, Ohio have much a new reason to get excited with the opening of what is perhaps the world’s first Bar/Makerspace. Called the Proto BuildBar, it’s kind of a cross between a 3D printing lab, a makerspace, and a cafe. Hang out, drink, eat, 3D print — sounds like most hac...

  • Self Replicating Skateboard…. What?!?!?

    Self Replicating Skateboard…. What?!?!?

    hackaday.com 27 Oct '14, 5am

    [Bart] and company over at Pumping Station One make a lot of skateboard decks. They wanted to build a CNC Router that was not only portable but have a size that was optimized for cutting skateboard decks. The project got a little out of hand and the CNC Router ended up also being a sk...

  • Star Gate LED Clock Has Plenty of Pizazz

    Star Gate LED Clock Has Plenty of Pizazz

    hackaday.com 27 Oct '14, 2am

    [David Hopkins] has finally finished off his Star Gate LED clock over on Hackaday.io and it looks fantastic. We originally featured his progress with the project in Hacklet 18 – Tick Tock, it’s Time for Clocks , and we’re happy to say it’s finally complete. The clock features 60 WS281...

  • Hackaday Links: BSAPEDWLOVKTUB.YBKAB

    hackaday.com 26 Oct '14, 11pm

    Don’t you mean an arduino bombe? Colossus was built to crack the Lorenz machine and was not related to the Enigma and had very little involvement from Turing. Enigma was cracked using a machine known as the Bombe with heavy involvement from Turing. The bombe is still functioning at bl...

  • Super Smash Bros Gets a Revamp with the Microsoft Kinect

    Super Smash Bros Gets a Revamp with the Microsoft Kinect

    hackaday.com 26 Oct '14, 8pm

    [Eric] just sent in this awesome Kinect hack that he and a few friends worked on. Playing Super Smash Bros with a Kinect. The system makes use of two Kinects, and three PCs. The first Kinect records each individual players moves, while the second Kinect watches both players “fight” ea...

  • The ChronodeVFD Wristwatch

    The ChronodeVFD Wristwatch

    hackaday.com 26 Oct '14, 5pm

    Not just another steampunk fashion statement, [Johngineer's] ChronodeVFD wristwatch is as intricate as it is beautiful. Sure, we’ve seen our share of VFD builds (and if you want a crash course in vacuum fluorescent displays, check out Fran’s video from earlier this year) but we seldom...

  • Mobile Soldering Workstation Sets Up Quickly, Lets You Get To Work

    Mobile Soldering Workstation Sets Up Quickly, Lets You Get To Work

    hackaday.com 26 Oct '14, 2pm

    Who here hasn’t put off soldering up a project because pulling out and setting up all your soldering gear is a pain? A lot of hobbyists don’t have a dedicated workbench for such activities and their gear may even be packed away somewhere inconvenient. [laxap] has come up with a soluti...

  • Simple LED Project to Spice Up Your Halloween Party

    Simple LED Project to Spice Up Your Halloween Party

    hackaday.com 26 Oct '14, 11am

    [Paul's] project is a great example of how you can take a simple project and turn it into something more interesting. He built himself a jack-o-lantern with an Internet controlled RGB LED embedded inside. [Paul] first wired up an RGB LED to a Raspberry Pi. He was sure to wire up each ...

  • Walkman-esque Human Interface Device

    Walkman-esque Human Interface Device

    hackaday.com 26 Oct '14, 8am

    Cheap keyboards never come with extra buttons, and for [Pengu MC] this was simply unacceptable. Rather than go out and buy a nice keyboard, a microcontroller was found in the parts drawer and put to work building this USB multimedia button human interface device that has the added bon...

  • Meet J-Deite Quarter, the 4-Foot-Tall Transformer

    Meet J-Deite Quarter, the 4-Foot-Tall Transformer

    hackaday.com 26 Oct '14, 5am

    There’s just something about the idea of robots turning into everyday objects that fascinates us all. It seems Japan outdoes the world in that category, and the J-Deite project is no exception. J-Deite Quarter is the first transforming robot to come from the collaborative project betw...

  • [Mehdi's] Shocking Stun Gun Tutorial

    [Mehdi's] Shocking Taser Tutorial

    hackaday.com 26 Oct '14, 2am

    To create his stunner, [Mehdi] used a car ignition to produce a high voltage. The igniton coil, which is a specialized transformer, allowed him to generate the >10000V output needed for the stunner. The coil has a 60:1 ratio and is powered by a 12V DC supply. Since a coil is a short a...