hackaday.com Archives - 25 June 2016, Saturday

  • A Fountain of Superhydrophobic Art

    A Fountain of Superhydrophobic Art | Hackaday

    hackaday.com 25 Jun '16, 2am

    Superhydrophobic coating finds a new application in art through [Arthur Carabott] in the form of a bizarre fountain . A Master’s student in the Global Innovation Design course at the London Royal College of Art, [Carabott] achieved the effect by leaving parts of the laser-cut acrylic ...

  • Foster a Robot, Explore Your Home Planet

    Foster a Robot, Explore Your Home Planet | Hackaday

    hackaday.com 24 Jun '16, 8pm

    The robots we’ve sent to explore other worlds in our stead are impressive feats of engineering. But stuck at the bottom of our gravity well as we are, they are fantastically expensive ventures that are out of reach of the DIY community. There’s still plenty to explore right in your ow...

  • Taming Robot Arm Jump with Accelerometers

    Taming Robot Arm Jump with Accelerometers | Hackaday

    hackaday.com 24 Jun '16, 5pm

    The servo doesn’t exactly “know” where it is. It’s quite a lot like a PID controller without the ID part. It sets off an one-shot oscillator on recieving the signal, and the period of that oscillator is adjusted by the potentiometer. Then the motor driver compares the lenght of the in...

  • Minecraft Trojan Horse Teaches Kids to Love Electronics and Code

    Minecraft Trojan Horse Teaches Kids to Love Electronics and Code | Hackaday

    hackaday.com 24 Jun '16, 3pm

    Kids love Minecraft, and a clever educator can leverage that love to teach some very practical skills. The summer class offered by the Children’s Museum in Bozeman Montana would have blown my mind if such a thing existed when we were younger. (Rather than begging one of the dads in my...

  • HobbyKing Cheetah: Building Running Robots from Hobby Motors

    HobbyKing Cheetah: Building Running Robots from Hobby Motors | Hackaday

    hackaday.com 24 Jun '16, 11am

    [Ben Katz] is building a running robot from hobby level brushless motors, all on his blog under the tag, “HobbyKing Cheetah. ” One of the features of fancy modern industrial motor and controller sets is the ability for the motor to act as a mass-spring-damper. For example, let’s say y...

  • How To Keep An Unruly Dryer In Line

    How To Keep An Unruly Dryer In Line | Hackaday

    hackaday.com 24 Jun '16, 8am

    If necessity is the mother of invention, then inconvenience is its frustrating co-conspirator. Faced with a finicky dryer that would shut down mid-cycle with a barely audible beep if its load was uneven (leaving a soggy mass of laundry), [the0ry ] decided to add the dryer to the Inter...

  • Hackaday Prize Entry: A Raspberry Pi Project | Hackaday

    hackaday.com 24 Jun '16, 5am

    While this project is first and foremost a Raspberry Pi project, [Arsenijs] isn’t limiting himself to the platform with the Broadcom chip. The team behind this Raspberry Pi project was busy porting the project to Odroid when the Banana Pi came out. This changed everything, a refactor ...

  • Supplyframe Design Lab Opens Its Doors | Hackaday

    hackaday.com 23 Jun '16, 5pm

    Today marks the opening of the Supplyframe Design Lab in Pasadena, California. The Design Lab bills itself as the “leading edge creative center built to foster new ideas in technology and design”. Supplyframe had the vision to acquire Hackaday a few years ago, launched the Hackaday.io...

  • Fail of the Week: Arachno∙fail∙ia https://t.co/e6kfDoxn2W

    Fail of the Week: Arachno∙fail∙ia | Hackaday

    hackaday.com 23 Jun '16, 5pm

    Going down the list (FCC, CE, UL, etc.) we can’t think of a regulating body that will test for this failure mode. Reportedly, a $1M irrigation system was taken down by a spider. And an itsy-bitsy spider at that. This fail turned up as a quick image post over on /r/mildlyinteresting bu...

  • Supplyframe Design Lab Opens Its Doors | Hackaday

    hackaday.com 23 Jun '16, 4pm

    Today marks the opening of the Supplyframe Design Lab in Pasadena, California. The Design Lab bills itself as the “leading edge creative center built to foster new ideas in technology and design”. Supplyframe had the vision to acquire Hackaday a few years ago, launched the Hackaday.io...

  • Books You Should Read: The Car Hacker's Handbook - Hackaday

    Books You Should Read: The Car Hacker’s Handbook | Hackaday

    hackaday.com 23 Jun '16, 2pm

    I just had my car in for an inspection and an oil change. The garage I take my car to is generally okay, they’re more honest than a stealership, but they don’t cross all their t’s and dot all their lowercase j’s. A few days after I picked up my car, low and behold, I noticed the garag...

  • Build a Shapeoko The Hard Way

    Build a Shapeoko The Hard Way | Hackaday

    hackaday.com 23 Jun '16, 11am

    [Caleb Peters] looked at the Shapeoko 3 CNC kit, a kit designed to make building an entry level CNC router a possibility for anyone, a kit to take the guesswork out of the equation, a kit that removes all those difficult technical barriers. He looked at all of that ease and thought, “...

  • A Robot In A Day | Hackaday

    hackaday.com 23 Jun '16, 8am

    While building a robot (nearly) from scratch isn’t easy, it needn’t be a lengthy process. Is it possible to build a bot in a single day ? With some musical motivation (a 10 hour loop of the A-Team theme song), [Tyler Bletsch ] answers with a resounding ‘yes’ in the shape of his little...

  • Hackaday Prize Entry: Reverse GPS

    Hackaday Prize Entry: Reverse GPS | Hackaday

    hackaday.com 23 Jun '16, 5am

    Every time you watch a SpaceX livestream to see a roaring success or fireball on a barge (pick your poison), you probably see a few cubesats go up. Everytime you watch a Soyuz launch that is inexplicably on liveleak.com before anywhere else, you’re seeing a few cubesats go up. There a...

  • Cheating at Video Games: Arduino Edition

    Cheating at Video Games: Arduino Edition | Hackaday

    hackaday.com 23 Jun '16, 2am

    [Javier] has put in his time playing Final Fantasy X. In the game, there’s a challenge where you have to dodge 200 consecutive lightning strikes by pressing a button at just the right time. [Javier] did this once, but when he bought a new PS Vita handheld, he wanted the reward but cou...

  • Skateboard Hackers Trick on 3D Printed Wheels

    Skateboard Hackers Trick on 3D Printed Wheels | Hackaday

    hackaday.com 22 Jun '16, 11pm

    The team over at [Braille Skateboarding] is willing to ride just about anything. This week they’re testing out 3D printed skateboard wheels . We’re not just talking rolling around here, the [Braille] team takes their experiments out to the skate park and gives them to the locals to te...

  • What Could Go Wrong: Asynchronous Serial Edition | Hackaday

    hackaday.com 22 Jun '16, 5pm

    Teletypes need a lot more than two bit times to complete a carriage return. Teletypes used two separate characters: CR (carriage return), which caused the print head to return to the left side of the paper, and LF (line feed), which moved the paper to the next line. By sending them in...

  • The Unity of Dance and Architecture

    The Unity of Dance and Architecture | Hackaday

    hackaday.com 22 Jun '16, 3pm

    In an ambitious and ingenious blend of mechanical construction and the art of dance, [Syuko Kato] and [Vincent Huyghe] from The Bartlett School of Architecture’s Interactive Architecture Lab have designed a robotic system that creates structures from a dancer’s movements that they hav...

  • A Hacker's Guide to Getting Old

    A Hacker’s Guide to Getting Old | Hackaday

    hackaday.com 22 Jun '16, 2pm

    It’s no surprise that things change as we age, and that tasks that were once trivial become difficult. Case in point: my son asked for help with the cord on his gaming headset the other night. The cable had broken and we could see frayed conductors exposed. When I got it apart, I foun...

  • Fallout 4 Gets Logic Gates, Is Functionally Complete

    Fallout 4 Gets Logic Gates, Is Functionally Complete | Hackaday

    hackaday.com 22 Jun '16, 11am

    Fallout logic. This is literally called Fallout logic. This is far more confusing than it should be. Fallout 4 , the latest tale of post-apocalyptic tale of wasteland wanderers, got its latest DLC yesterday. This add-on, Contraptions Workshop, adds new objects and parts to Fallout 4 ‘...

  • Behold: Valve’s VR and AR Prototypes: Just in case anyone secretly had the idea that Valve Software’s VR and ...

    Behold: Valve’s VR and AR Prototypes | Hackaday

    hackaday.com 22 Jun '16, 8am

    Just in case anyone secretly had the idea that Valve Software’s VR and other hardware somehow sprang fully-formed from a lab, here are some great photos and video of early prototypes , and interviews with the people who made them. Some of the hardware is quite raw-looking, some of it ...

  • New Hard Drives for Old Computers

    New Hard Drives for Old Computers | Hackaday

    hackaday.com 22 Jun '16, 2am

    After a certain age, computers start to show signs that they might need to be replaced or upgraded. After even more time, it starts getting hard to find parts to replace the failing components. And, as the sands slip through the hourglass, the standards used to design and build the co...

  • FAA Finalizes Rules For Drones, UAS, and Model Aircraft | Hackaday

    hackaday.com 21 Jun '16, 8pm

    The FAA and DOT have finalized their rules for small Unmanned Aircraft Systems (UAS, or drones), and clarified rules for model aircraft. This is the end of a long process the FAA undertook last year that has included a registry system for model aircraft, and input from members of UAS ...

  • Espressif Releases ESP8266-Killer!

    Espressif Releases ESP8266-Killer! | Hackaday

    hackaday.com 21 Jun '16, 3pm

    It’s no secret that we love the ESP8266 chip, and the community of hackers that have contributed to making it useful. We often joke about this or that new WiFi-enabler being an ESP8266 killer, but so far none have stepped up. Here we go again! Espressif has released a chip that’s goin...

  • Capacitors Made Easy The Hackaday Way

    Capacitors Made Easy The Hackaday Way | Hackaday

    hackaday.com 21 Jun '16, 2pm

    There is a snag to using dielectric materials in a capacitor, along with the desirable characteristics of a dielectric come a host of annoying side-effects. All real-world capacitors have internal parasitic resistance and inductance, and though tiny, they can sometimes have an effect ...

  • FCC to Investigate Raised RF Noise Floor | Hackaday

    hackaday.com 21 Jun '16, 11am

    If you stand outside on a clear night, can you see the Milky Way? If you live too close to a conurbation the chances are all you’ll see are a few of the brighter stars, the full picture is only seen by those who live in isolated places. The problem is light pollution, scattered light ...

  • Brutal Water Cannon Defeats Summer Heat; Kills it on Documentation

    Brutal Water Cannon Defeats Summer Heat; Kills it on Documentation | Hackaday

    hackaday.com 21 Jun '16, 8am

    There’s a war on, and while this over-the-top water blaster is certainly an escalation in the Water Wars arms race, that’s not the war we’re referring to. We’re talking about the Documentation War. Hackers, you’re on notice. If you want to see how a project should be documented, look ...

  • Hackaday Prize Entry: DIY Automatic Tool Changer

    Hackaday Prize Entry: DIY Automatic Tool Changer | Hackaday

    hackaday.com 21 Jun '16, 5am

    Like many ATCs, this one features a tool carousel. The carousel, which is not motorized, stores each milling bit in the center bore of a Gator Grip wrench tool. To change a tool, a fork wrench, actuated by an RC servo, blocks the spindle shaft, just like you would do it to manually ch...

  • 1000 CPUs on a Chip | Hackaday

    hackaday.com 20 Jun '16, 11pm

    Often, CPUs that work together operate on SIMD (Single Instruction Multiple Data) or MISD (Multiple Instruction Single Data), part of Flynn’s taxonomy. For example, your video card probably has the ability to apply a single operation (an instruction) to lots of pixels simultaneously (...

  • Mosaic Palette: Single Extruder Multi-Color and Multi-Material 3D Printing | Hackaday

    hackaday.com 20 Jun '16, 6pm

    Lots of solutions have been proposed and enacted for multi-color and multi-material 3D printing, from color mixing in the nozzle to scripts requiring manual filament change. A solution proposed fairly early on was to manually splice the filament together, making a custom spool. The pr...