hackaday.com Archives - 14 February 2016, Sunday

  • Repairing a MakerBot Mightyboard Clone

    Repairing a MakerBot Mightyboard Clone | Hackaday

    hackaday.com 14 Feb '16, 12am

    It can be argued that MakerBot, a company that makes popular 3D printers, hit its pinnacle with the introduction of the Replicator 2. It was designed well and completely open source, including the motherboard that drove the printer – known as the Mightyboard. China quickly picked up o...

  • Manned Multicopter Project Undaunted By Crash | Hackaday

    hackaday.com 13 Feb '16, 9pm

    We have to be impressed by [amazingdiyprojects] who completely totaled their manned multi-copter build, which has been spanning over eight videos. He explained the crash in video number eight and is right back at it, learning from the recent mistakes. When you get right down to it, th...

  • #Hacklet95 – More #Pi #Zero #Contest Entries #RaspberryPi https://t.co/ClA8eU6Ihf

    Hacklet 95 – More Pi Zero Contest Entries | Hackaday

    hackaday.com 13 Feb '16, 6pm

    We’re well into the second week of the Hackaday and Adafruit ultimate team-up: The Raspberry Pi Zero Contest . The entries have been flying in! As of Thursday evening, we have 70 projects vying for one of 10 Raspberry Pi Zeros, and one of three $100 gift certificates to The Hackaday S...

  • Flexible Phototransistor Will Make Everything Subtly Better In The Future | Hackaday

    hackaday.com 13 Feb '16, 3pm

    University of Wisconsin-Madison is doing some really cool stuff with phototransistors . This is one of those developments that will subtly improve all our devices. Phototransistors are ubiquitous in our lives. It’s near impossible to walk anywhere without one collecting some of your p...

  • Deaccelerating The Apple IIc Plus | Hackaday

    hackaday.com 13 Feb '16, 12pm

    The Apple IIc Plus is arguably – very arguably from my experience – the best Apple II computer ever made. It’s portable, faster than the IIe, had a much higher capacity built-in drive, and since the Plus could run at 4MHz, it was faster than the strange eight or sixteen bit Apple IIGS...

  • Brushed DC Servo Drive

    Brushed DC Servo Drive | Hackaday

    hackaday.com 13 Feb '16, 9am

    Brushless DC motors, and their associated drive electronics, tend to be expensive and complicated. [Ottoragam] was looking for a cheaper alternative and built this Brushed DC motor servo controller and the results look pretty promising. Check out the video after the break. He needed a...

  • Glitching Square Wave Clock Is Designed To Confuse

    Glitching Square Wave Clock Is Designed To Confuse | Hackaday

    hackaday.com 13 Feb '16, 6am

    [Voja Antonic] has built a clock that tells the time in binary with square waves , and trolls the uninitiated in electronics. The clock itself is very attractive. If you look closely you can see the circuitry backlit behind the dot LED matrix display. The whole thing is housed in a ni...

  • New Efficiency Standards for Wall Warts in the US | Hackaday

    hackaday.com 13 Feb '16, 3am

    What this means is that ALL power supplies will be forced to use switching technology. This is great for efficiency, but can be a huge source of cost or noise if you are doing anything that is sensitive. A lot of ham radio operators will tell you horror stories of crawling through the...

  • Gatling Gun Shoots Arrows Out of Coke Bottles | Hackaday

    hackaday.com 13 Feb '16, 12am

    [JoergSprave] has done it again. His latest, most ridiculous weapon? A Gatling gun that fires crossbow bolts, using compressed air inside coke bottles — and an electric screwdriver. For those of you not aware, [Joerg] is our favorite eccentric German maker, a purveyor of slingshots an...

  • frickin’...

    Frickin’ Amazing Clock | Hackaday

    hackaday.com 12 Feb '16, 9pm

    W e’ve featured a lot of clock builds, but this one, as the title suggests, is frickin’ amazing. Talented art student [Kango Suzuki ] built this Wooden Mechanical Clock (Google translation from Japanese) as a project while on his way to major in product design. There’s a better transl...

  • Embed with Elliot: Audio Playback with Direct Digital Synthesis

    Embed with Elliot: Audio Playback with Direct Digital Synthesis | Hackaday

    hackaday.com 12 Feb '16, 6pm

    Direct-digital synthesis (DDS) is a sample-playback technique that is useful for adding a little bit of audio to your projects without additional hardware. Want your robot to say ouch when it bumps into a wall? Or to play a flute solo? Of course, you could just buy a cheap WAV playbac...

  • Swarm of Robot Boats Coming To An Ocean Near You Soon

    Swarm of Robot Boats Coming To An Ocean Near You Soon | Hackaday

    hackaday.com 12 Feb '16, 4pm

    Planning a hostile takeover of your local swimming pool? This might help: [Dr Anders Lyhne Christensen] sent us a note about his work at the BioMachines Lab of the Institute of Telecommunications in Portugal. They have been building a swarm of robot boats to experiment with autonomous...

  • Cover Your Glass: A Lesson in Design Trades | Hackaday

    hackaday.com 12 Feb '16, 3pm

    Another interesting thing about the LEM design process was they wanted to have two docking ports. One on top to connect to the CM for the coast phase to the Moon, and one on the front so it would be easier for the LEM pilot to see for docking on lunar orbit. That second port would add...

  • Using Photogrammetry To Design 3D Printed Parts | Hackaday

    hackaday.com 12 Feb '16, 12pm

    Talking around the subject in general without detriment to the project, I’m not that taken with photogrammetry done this way either. I built a makerscanner and was unimpressed with the results, and tried the android based ones, but seems to me for reverse engineering parts to make mat...

  • Simple Headphone Bracket Shows Off Carbon Fiber Basics

    Simple Headphone Bracket Shows Off Carbon Fiber Basics | Hackaday

    hackaday.com 12 Feb '16, 9am

    The carbon fiber look is a pretty hot design element for things these days. Even things that have no need for the strength and flexibility of carbon fiber, from phone cases to motorcycle fenders, are sporting that beautiful glossy black texture. Some of it only looks like the real stu...

  • KiCad Traducido al Español: KiCad ya es una gran herramienta para la captura esquemática y el diseño de PCB, p...

    KiCad Traducido al Español | Hackaday

    hackaday.com 12 Feb '16, 6am

    KiCad ya es una gran herramienta para la captura esquemática y el diseño de PCB, pero el software sólo funciona si es posible utilizarlo. Para los mil millones de personas que no hablan inglés, esto significa que el idioma es la barrera más grande al momento de utilizar el mejor softw...

  • Lego Gaming Computer Case

    Lego Gaming Computer Case | Hackaday

    hackaday.com 12 Feb '16, 3am

    Lego isn’t the first material that springs to mind when you think about building a new gaming computer case, but it does make sense when you think about it. It is easy to work with, can be easily reconfigured, and it’s pretty cheap. That’s the idea behind this very cool (no pun intend...

  • Dry Ice is Nice for Separating Broken Phone Screens

    Dry Ice is Nice for Separating Broken Phone Screens | Hackaday

    hackaday.com 12 Feb '16, 12am

    Smartphones are the opium of the people. If you need proof, just watch the average person’s reaction when they break “their precious”. Repairing smartphones has become a huge business. The most often broken item on phones is of course the front glass. In most cases, the screen itself ...

  • Unlocking Thinkpad Batteries | Hackaday

    hackaday.com 11 Feb '16, 9pm

    A few months ago, [Matt] realized he needed another battery for his Thinkpad X230T. The original battery would barely last 10 minutes, and he wanted a battery that would last an entire plane flight. When his new battery arrived, he installed it only to find a disturbing message displa...

  • Clearly the Best Way to Organize SMD Parts

    Clearly the Best Way to Organize SMD Parts | Hackaday

    hackaday.com 11 Feb '16, 6pm

    Have some plexiglas (acrylic) leftovers lying around? Well, they could be put to good use in making this SMD organizer. It comes in handy if you deal with a lot of SMD components in your work. No longer will you waste your time trying to find a 15K 1206 resistor, or that BAS85 diode… ...

  • China’s Fusion Reactor Hits Milestone via @hackaday

    China’s Fusion Reactor Hits Milestone | Hackaday

    hackaday.com 11 Feb '16, 4pm

    An experimental fusion reactor built by the Chinese Academy of Science has hit a major milestone. The Experimental Advanced Superconducting Tokamak (EAST) has maintained a plasma pulse for a record 102 seconds at a temperature of 50 million degrees – three times hotter than the core o...

  • Digital Communications 1830s Style

    Digital Communications 1830s Style | Hackaday

    hackaday.com 11 Feb '16, 3pm

    We think of digital communications as a modern invention. But the reality is that semaphores, smoke signals, and Aldis lamps are all types of digital communication. While telegraphs are not as old as smoke signals, they, too, are a digital mode. The problem with all of these is that t...

  • How a Professional Resin Caster Duplicates Parts

    How a Professional Resin Caster Duplicates Parts | Hackaday

    hackaday.com 11 Feb '16, 12pm

    [Gregg Eshelman] reproduces plastic parts for antique car restorations for a living; likewise, he’s very good at it . Greg always chimes in with helpful hints whenever we post about resin casting . Shown above is a lens for a car turn signal. Manufactured in 1941, having [Gregg] cast ...

  • Robot Does the Worm to Get Around | Hackaday

    hackaday.com 11 Feb '16, 9am

    Walking, jumping, rolling, flying, swimming – robotic locomotion is limited only by the imagination of the inventor. [Roger Rabbit] apparently has a pretty vivid imagination, because he’s building robots that move like worms . Version 1 of [Roger]’s robot is only semi-vermiform and is...

  • Pi-Powered Robot Plays Puzzle & Dragons

    Pi-Powered Robot Plays Puzzle & Dragons | Hackaday

    hackaday.com 11 Feb '16, 6am

    Have you heard of the iPhone game Puzzle & Dragons? We understand it’s big in Japan. The puzzle part is all about rearranging colored orbs and grouping them together so they disappear and give you points. It’s also part RPG—each color is linked to a little guy, and every combo makes t...

  • Dumping U8Plus Smartwatch ROM Via Vibration Motor

    Dumping U8Plus Smartwatch ROM Via Vibration Motor | Hackaday

    hackaday.com 11 Feb '16, 3am

    [Lee] continues with his exploration of the U8Plus (a cheap smartwatch). He hasn’t got it all cracked, yet, but he did manage to get a dump of the device’s ROM using an unusual method . At first, [Lee] thought that the JTAG interface (or, at least, the pins presumed to be the JTAG int...

  • Take Your 3D Printing to the Next Dimension

    Take Your 3D Printing to the Next Dimension | Hackaday

    hackaday.com 11 Feb '16, 12am

    In what is being hailed as the next great advancement in 3D printing, scientists have been able to get a 3D printed shape to change form when it is exposed to water , bringing 3D printing squarely into the realm of the fourth dimension. Although the only examples we’ve seen so far are...

  • We’re Hiring | Hackaday

    hackaday.com 10 Feb '16, 10pm

    Hackaday has been expanding into all kinds of new areas. We find ourselves stretched a bit thin and it’s time to ask for help. Want to lend a hand while making some extra dough to plow back into your projects? These are work-from-home (or wherever you like) positions and we’re looking...

  • Calculator Built In Super Mario Level. Mamma Mia!

    Calculator Built In Super Mario Level. Mamma Mia! | Hackaday

    hackaday.com 10 Feb '16, 9pm

    Most people use the Super Mario Maker to, well, create Super Mario game levels. [Robin T] decided to try something a little different: building a working calculator . Several hundred hours later, he created the Cluttered Chaos Calculator, which definitely lives up to the name. What th...

  • Particle Electron – The Solution To Cellular Things | Hackaday

    hackaday.com 10 Feb '16, 6pm

    Just over a year ago, Particle (formerly Spark), makers of the very popular Core and Particle Photon WiFi development kits, released the first juicy tidbits for a very interesting piece of hardware. It was the Electron, a cheap, all-in-one cellular development kit with an even more in...