hackaday.com Archives - 21 November 2014, Friday

  • The Trompe-l’œil Menorah

    The Trompe-l’œil Menorah | Hackaday

    hackaday.com 20 Nov '14, 9pm

    Hanukkah decorations have been up in stores since before Halloween, and that means it’s time for electronic Menorahs with blinking LEDs, controllers, and if you’re really good, a real-time clock with support for the Jewish calendar. [Windell] over at Evil Mad Scientist just outdid him...

  • A USB-Controlled POV Light Stick | Hackaday

    hackaday.com 20 Nov '14, 6pm

    Wanting to showcase their USB LED strip controller, the folks at Maniacal Labs built a POV LED stick this weekend . Yes, it’s pretty much the same as any other POV LED display you’ve seen; set a camera for a long exposure, wave the POV light stick around, and get a cool pixely image i...

  • Bluetooth Boombox for that 80s Nostalgia

    Bluetooth Boombox for that 80s Nostalgia | Hackaday

    hackaday.com 20 Nov '14, 3pm

    Sure, anyone can go buy a bluetooth speaker for their portable music needs. But for something a little more unique, at least in this decade, [Daniel] aka [speedfox] went with an 80s-style boombox and outfitted it with a bluetooth module . The retro boombox was delivered with a few scr...

  • Automated CAD Design for Enclosures

    Automated CAD Design for Enclosures | Hackaday

    hackaday.com 20 Nov '14, 12pm

    [Jon] a.k.a. [Pedantite] recently added small-scale laser cutting to his business and thought about using that laser cutter to add some value to some of the many project designs he creates. Yes, this means custom laser cut enclosures, but how to go about it? [Jon] loves automation, an...

  • Hackerspace Tours: London Hackspace | Hackaday

    hackaday.com 20 Nov '14, 9am

    Finally out the back of the space is a large area for outdoor projects, these range from 30ft wide geodesic domes made out of PVC, to the massive hydraulic mast antenna the amateur radio enthusiasts are assembling. The backyard pièce de résistance however is the LHS Bike Shed , a spac...

  • Ester, The Open Source SLS Printer

    Ester, The Open Source SLS Printer | Hackaday

    hackaday.com 20 Nov '14, 6am

    Filament printers are here to stay, and in the past year there have been a number of SLA and DLP resin printers that can create objects at mind-boggling high resolutions. Both of these technologies have their place, but printing really complex objects without also printing supports is...

  • A Raspberry Pi in a Game Boy Advance SP

    A Raspberry Pi in a Game Boy Advance SP | Hackaday

    hackaday.com 20 Nov '14, 3am

    It’s not the biggest use of a Raspberry Pi, but running emulators for old game systems is by far the most visible use of the Pi. In fact, putting Pis inside old game systems has led to a resurgence of case modding not seen since the heyday of the Mini-ITX craze of the early ‘aughts. Y...

  • Laser-cut Album Released

    Laser-cut Album Released | Hackaday

    hackaday.com 20 Nov '14, 12am

    In some alternate universe, where laser cutters and phonographs are more common than MP3 players, it makes a ton of sense to release laser-cutter files for your band’s new album (Translated ). In this universe, it’s wacky and awesome. The new EP from ASIC , alias [Patric] from Fablab ...

  • Push Button, Receive Bacon.

    Push Button, Receive Bacon. | Hackaday

    hackaday.com 19 Nov '14, 9pm

    Members of the Rabbit Hole hackerspace spent the last weekend competing in The Deconstruction , a 48 hour hackathon competition. The hackerspace’s theme was “Light it up!”, so members created some awesome projects involving light. The star of the show was their bacon cooking machine. ...

  • Interview With A Printer

    Interview With A Printer | Hackaday

    hackaday.com 19 Nov '14, 6pm

    The Hackaday European tour continues, this time in Prague with Josef Průša (Google translate ), core developer in the RepRap project, feature at all the Maker Faires and cons, and creator of his namesake, the Prusa Mendel and i3 printers. [Prusa]‘s involvement with the RepRap project ...

  • Programmable Lithium Charger Shield for Arduino

    Programmable Lithium Charger Shield for Arduino | Hackaday

    hackaday.com 19 Nov '14, 3pm

    Surely you need yet another way to charge your lithium batteries—perhaps you can sate your desperation with this programmable multi (or single) cell lithium charger shield for the Arduino ?! Okay, so you’re not hurting for another method of juicing up your batteries. If you’re a regul...

  • RTL SDR As A Spectrum Analyzer | Hackaday

    hackaday.com 19 Nov '14, 12pm

    RTL-SDR, the USB TV tuner turned software-defined radio is an amazing device, capable of listening to nearly anything from 25MHz to 1750MHz, fits in your pocket, and costs about $20. Even more astonishing is that it’s also a kinda-okay spectrum analyzer . [Kerry D. Wong] tested out on...

  • Measuring the Length of WS2812 Strips

    Measuring the Length of WS2812 Strips | Hackaday

    hackaday.com 19 Nov '14, 9am

    [Tim] discovered a simple way to measure the length of WS2812 addressable LED strips from a microcontroller . This is great for any project that can have an arbitrary length of addressable LED strip attached to it. The simplest (and perhaps most reliable) way to measure strip length i...

  • Extreme Repair of an All-in-One PC

    Extreme Repair of an All-in-One PC | Hackaday

    hackaday.com 19 Nov '14, 6am

    While browsing a local auction site, [Viktor] found himself bidding on a beat up Lenovo A600 all-in-one PC. He bid around $50 and won. Then came the hard part – actually making the thing work . The front glass was cracked, but the LCD was thankfully unharmed. The heat pipes looked lik...

  • ‘Nutclough’ Circuit Board Design is Stylishly Amplified

    ‘Nutclough’ Circuit Board Design is Stylishly Amplified | Hackaday

    hackaday.com 19 Nov '14, 3am

    Though there is nothing wrong with the raw functionality of a plain rectangular PCB, boards that work an edge of aesthetic flare into their layout leave a lasting impression on those who see them. This is the philosophy of circuit artist [Saar Drimer] of Boldport, and the reason why h...

  • Using MIDI and Magnets to Produce Tones with Tines

    Using MIDI and Magnets to Produce Tones with Tines | Hackaday

    hackaday.com 19 Nov '14, 12am

    [Matthew ’s] instrument has a series of thin vertical tines, each coupled with a small MIDI controlled electromagnet. As the magnet pulses with modulation at a specific frequency, the pull and release of the tine causes it to resonate continuously with a particular tone. The Tine Orga...

  • Hackerspace Tours: MuCCC

    Hackerspace Tours: MuCCC | Hackaday

    hackaday.com 18 Nov '14, 9pm

    MuCCC is more than just a space with tools, though: in the european hackerspace tradition, there are frequent presentations and talks that would fit in at an academic conference. Last Tuesday, [nicolas] presented a few techniques to protect cryptographic keys from physical integrity a...

  • Retrotechtacular: The (Long, Arduous) Birth of a Tank

    Retrotechtacular: The (Long, Arduous) Birth of a Tank | Hackaday

    hackaday.com 18 Nov '14, 6pm

    Throughout the 1950s and early 1960s, the United States Army provided regular status reports to both its interior members and the American public through a half-hour documentary television show called The Big Picture . Since the program was produced by the government, every episode im...

  • Running Debian on a Graphing Calculator

    Running Debian on a Graphing Calculator | Hackaday

    hackaday.com 18 Nov '14, 3pm

    While the ubiquitous TI-83 still runs off an ancient Zilog Z80 processor, the newer TI-Nspire series of graphing calculators uses modern ARM devices. [Codinghobbit] managed to get Debian Linux running on a TI-Nspire calculator, and has written a guide explaining how it’s done. The pro...

  • Thalmic Labs Shuts Down Free Developer Access

    Thalmic Labs Shuts Down Free Developer Access | Hackaday

    hackaday.com 18 Nov '14, 12pm

    The Thalmic Myo is an electronic arm band with an IMU and myoelectric sensors, able to measure the orientation and muscle movements of an arm. This device has uses ranging from prosthetics to Minority Report -style user interfaces. Thalmic is also a Y Combinator company, with $15 mill...

  • Harmonic Analyzer Mechanical Fourier Computer | Hackaday

    hackaday.com 18 Nov '14, 9am

    If you’re into mechanical devices or Fourier series (or both!), you’ve got some serious YouTubing to do. [The Engineer Guy] has posted up a series of four videos (Introduction , Synthesis , Analysis , and Operation ) that demonstrate the operation and theory behind a 100-year-old mach...

  • Super Smash Bros on a Calculator | Hackaday

    hackaday.com 18 Nov '14, 6am

    Move over, BlockDude! There’s a new calculator game in town. [Hayleia] and a few other programmers have been hard at work on a clone of Super Smash Bros for graphing calculators that is sure to keep you busy in your next calculus class. The game, called Smash Bros Open, is based on th...

  • Because You can’t go to germany without seeing model trains

    Because You can’t go to germany without seeing model trains | Hackaday

    hackaday.com 18 Nov '14, 3am

    MCSM was a hackerspace before the concept of hackerspaces existed. Originally, this was the Siemens Club for Model Engines, filled with engineers from the Siemens plant tinkering with model trains, model boats, and models of anything that moves. One of the members that guided us throu...

  • Play Music on a High Voltage Keyboard

    Play Music on a High Voltage Keyboard | Hackaday

    hackaday.com 18 Nov '14, 12am

    [Matt] works at a neon sign power supply company. When a vendor error left him with quite a few defective high voltage transformers, he couldn’t bring himself to toss them in the bin. [Matt] was able to fix the transformers well enough to work, and the idea for a high voltage keyboard...

  • Sand Cast Banana for Scale is So Metal

    Sand Cast Banana for Scale is So Metal | Hackaday

    hackaday.com 17 Nov '14, 9pm

    If you’ve been on Reddit over the past year, you’ve likely encountered the “banana for scale” meme. [BFG121] felt that the size variation of bananas would not do – there needed to be a standard. He decided to make a metal banana out of re-purposed aluminum . He created his own furnace...

  • Ask Hackaday: Not Your Mother’s Feedback

    Ask Hackaday: Not Your Mother’s Feedback | Hackaday

    hackaday.com 17 Nov '14, 3pm

    Imagine you were walking down a beach, and you came across some driftwood resting against a pile of stones. You see it in the distance, and your brain has no trouble figuring out what you’re looking at. You see driftwood and rocks – you can clearly distinguish between the two objects ...

  • First Ever Poughkeepsie Mini Maker Faire | Hackaday

    hackaday.com 17 Nov '14, 12pm

    Little ones weren’t left out of the mix either, they could have jumped around in an inflatable bounce house or, if feeling creative, could build a fort (or whatever) out of Bloxes. These cardboard boxes have interlocking features on all sides so that they can be stuck together to crea...

  • Larson Scanner Namesake [Glen Larson] Passes Away | Hackaday

    hackaday.com 17 Nov '14, 9am

    [Glen A. Larson] passed away on Friday at the age of 77 . He may be most widely recognized for being a producer of the original Battlestar Galactica, Magnum, P.I. and Knight Rider television series’. But for us his association with a row of LEDs which illuminates in a back and fourth ...

  • Bridging Networks With The Flip Of A Switch

    Bridging Networks With The Flip Of A Switch | Hackaday

    hackaday.com 17 Nov '14, 6am

    The TP-Link TL-WR703n is the WRT54G for the modern era – extremely hackable, cheap, and available just about everywhere. Loaded up with OpenWRT, it’s capable of bridging networks: turning Ethernet into WiFi and vice versa. This requires reconfiguring the router, and after doing this e...