hackaday.com Archives - 01 February 2015, Sunday

  • Finding an Active TX Pin on Cheap GPS

    Finding an Active TX Pin on Cheap GPS | Hackaday

    hackaday.com 31 Jan '15, 12am

    Twenty Euros will score you a small, self-contained GPS keychain. Crack that case open and you can have a lot more. [j3tstream] explored the guts of the thing and found that the NMEA data can be streamed out of the TX pin on the GPS chip . First off, check out that miniscule GPS anten...

  • Kill Time Making Flappy Bird, Not Playing It

    Kill Time Making Flappy Bird, Not Playing It | Hackaday

    hackaday.com 30 Jan '15, 9pm

    created his own Flappy Bird game with a short list of parts some of us likely have lying around on our bench. An Arduino loaded with the appropriate code is wired to a 16×16 LED matrix, which apparently displays the minimal amount of visual information you’d need to play the game. The...

  • Interactive Projections Take Miniature Golfers to a Tiny World

    Interactive Projections Take Miniature Golfers to a Tiny World | Hackaday

    hackaday.com 30 Jan '15, 3pm

    “Sleepwalkers” was commissioned by Urban Putt, a chain that accommodates for dense city spaces by building their courses indoors. Designed specially for its location, the hologram acts as a narrative told by tiny characters living within the walls of the historic building the golf cou...

  • Casing up the Teensy SDR | Hackaday

    hackaday.com 30 Jan '15, 12pm

    [Rich, VE3MKC] has made a lot of progress on his Software Defined Radio (SDR) which is based on a Teensy. His latest update shows off the hardware in an enclosure and a few new features. When we looked at this in April of last year it was pretty much a proof-of-concept with components...

  • Digitally Controlled Circuit Bending | Hackaday

    hackaday.com 30 Jan '15, 9am

    Circuit bending doesn’t get a lot of respect around some parts of the Internet we frequent, but there is certainly an artistry to it. Case in point is the most incredible circuit bending we’ve ever seen . Yes, it’s soldering wires to seemingly random points on a PCB, but these bend po...

  • Easier UART to 1-Wire Interface

    Easier UART to 1-Wire Interface | Hackaday

    hackaday.com 30 Jan '15, 6am

    The 1-Wire protocol is usually found in temperature sensors, but you’ll also find it in chips ranging from load sensors, a battery sensor and LED driver that is oddly yet officially called a ‘gas gauge’, and iButtons. It’s a protocol that has its niche, and there are a few interesting...

  • Reverse Engineer then Drive LCD with FPGA

    Reverse Engineer then Drive LCD with FPGA | Hackaday

    hackaday.com 30 Jan '15, 3am

    Fans of [Ben Heck] know that he has a soft spot for pinball machines and his projects that revolve around that topic tend to be pretty epic. This is a good example. At a trade show he saw an extra-wide format LCD screen which he thought would be perfect on a pinball build. He found ou...

  • CAMdrive is an Open Source Time-lapse Photography Controller

    CAMdrive is an Open Source Time-lapse Photography Controller | Hackaday

    hackaday.com 30 Jan '15, 12am

    [Nightflyer] has been working on an open source project he calls CAMdrive . CAMdrive is designed to be a multi-axis controller for time-lapse photography. It currently only supports a single axis, but he’s looking for help in order to expand the functionality. You may already be famil...

  • Annoy Your Enemies with the Hassler Circuit

    Annoy Your Enemies with the Hassler Circuit | Hackaday

    hackaday.com 29 Jan '15, 9pm

    [Craig] recently built himself a version of the “hassler” circuit as a sort of homage to Bob Widlar. If you haven’t heard of Bob Widlar, he was a key person involved in making analog IC’s a reality. We’ve actually covered the topic in-depth in the past . The hassler circuit is a simpl...

  • The Art of Electronics, Third Edition

    The Art of Electronics, Third Edition | Hackaday

    hackaday.com 29 Jan '15, 6pm

    For any technical domain, there is usually one book held up above all others as the definitive guide. For anyone learning compilers, it’s the dragon book. For general computer science, it’s the first half of [Knuth]’s The Art of Computer Programming. For anyone beginning their studies...

  • Fail of the Week: Electrically Effective Emulators Exceed Enclosure, Enrage Engineer

    Fail of the Week: Electrically Effective Emulators Exceed Enclosure, Enrage Engineer | Hackaday

    hackaday.com 29 Jan '15, 3pm

    After a few years of on and off development, [Steve] from Big Mess ‘o Wires completed work on a floppy disk drive emulator for older Macs such as the Plus. The emu plugs into the DB-19 port on the Mac and acts just like a 3.5″ floppy, using an SD card to store the images. He’s been se...

  • SPATA: shaving seconds and saving brainpower whilst 3D-modeling

    SPATA: shaving seconds and saving brainpower whilst 3D-modeling | Hackaday

    hackaday.com 29 Jan '15, 12pm

    If you’ve spent some late nights CADing your next model for the 3D printer, you might find yourself asking for a third hand: one for the part to-be-modeled, one for the tool to take measurements, and one to punch the numbers into the computer. Alas, medical technology just isn’t there...

  • Is That a Tuner in Your Pocket…?

    Is That a Tuner in Your Pocket…? | Hackaday

    hackaday.com 29 Jan '15, 9am

    As a musician, it’s rare to consistently recognize with the naked ear whether or not a single instrument is in tune. There are a number of electronic devices on the market to aid in this, however if you’re leading into an impromptu performance to impress your friends, using one feels ...

  • Raspberry Pi Learns how to Control a Combustion Engine

    Raspberry Pi Learns how to Control a Combustion Engine | Hackaday

    hackaday.com 29 Jan '15, 6am

    For his PhD at the University of Michigan, [Adam] designed a Raspberry Pi-based system that controls an HCCI engine, a type of engine which combines the merits of both diesel and gasoline engines. These engines exhibit near-chaotic behavior and are very challenging to model, so he dev...

  • Automated Tea Maker

    Automated Tea Maker | Hackaday

    hackaday.com 29 Jan '15, 3am

    [Pariprohus] wanted to make an interesting gift for his girlfriend. Knowing how daunting it can be to make your own tea, he decided to build a little robot to help out. His automated tea maker is quite simple, but effective. The device runs off of an Arduino Nano . The Nano is hooked ...

  • A Camera With Computer Vision

    A Camera With Computer Vision | Hackaday

    hackaday.com 29 Jan '15, 12am

    Computer vision is a tricky thing to stuff into a small package, but last year’s Hackaday Prize had an especially interesting project make it into the 50 top finalists. The OpenMV is a tiny camera module with a powerful microcontroller that will detect faces, take a time-lapse, record...

  • DIY RC Hovercraft Makes Batman Action Figure Envious

    DIY RC Hovercraft Makes Batman Action Figure Envious | Hackaday

    hackaday.com 28 Jan '15, 9pm

    [Bauwser] had some spare RC Helicopter parts laying around and cobbled together an RC Hovercraft. It worked but not to his liking. That’s okay though, he know it was just a prototype for what was to come; a fully scratch built hovercraft with parts spec’ed out specifically to make it ...

  • Universal Active Filters: Part 2

    Universal Active Filters: Part 2 | Hackaday

    hackaday.com 28 Jan '15, 6pm

    You might find surprising the number and accessibility of good filter design programs available directly on the web. Texas Instruments’ Webench starts out by asking what kind of filter; low, band, or high pass and then allows you to pick the attributes you are designing for in general...

  • Resurrecting Capcom’s Kabuki

    Resurrecting Capcom’s Kabuki | Hackaday

    hackaday.com 28 Jan '15, 3pm

    About a dozen old Capcom arcade titles were designed to run on a custom CPU. It was called the Kabuki, and although most of the core was a standard Z80, a significant portion of the die was dedicated to security. The problem back then was arcade board clones, and when the power was re...

  • Laser Trip Wire With Keypad Arming

    Laser Trip Wire With Keypad Arming | Hackaday

    hackaday.com 28 Jan '15, 12pm

    Most of us have had a sibling that would sneak into our room to swipe a transistor, play your guitar or just mess with your stuff in general. Now there’s a way to be immediately alerted when said sibling crosses the line, literally. [Ronnie] built a laser trip wire complete with an LC...

  • Long Exposure Thermal Photography

    Long Exposure Thermal Photography | Hackaday

    hackaday.com 28 Jan '15, 9am

    For apparently inexplicable reasons, the price of thermal imaging cameras has been dropping precipitously over the last few years, but there are still cool things you can do with infrared temperature sensors . A few years ago – and while he was still writing for us – [Jeremy] came acr...

  • Dumpster Dive Results In 3D Print Server Project | Hackaday

    hackaday.com 28 Jan '15, 6am

    3D Printers are super convenient when you need a part quickly. However, they can be seriously inconvenient if the 3D printer has to be tethered to your computer for the duration of the entire print. [Matt] purchased a Makerfarm i3v printer and has been using it a bunch. The only thing...

  • Motion Activated Alarm for your Bag

    Motion Activated Alarm for your Bag | Hackaday

    hackaday.com 28 Jan '15, 3am

    Many of us carry around a bag with our expensive personal belongings. It can be a pain to carry a bag around with you all day though. If you want to set it down for a while, you often have to try to keep an eye on it to ensure that no one steals it. [Micamelnyk] decided to build a sol...

  • Parts.io Aims at Better Component Discovery

    Parts.io Aims at Better Component Discovery | Hackaday

    hackaday.com 28 Jan '15, 12am

    Online parts search and ordering is a godsend compared to the paper-catalog days of yore. This is fact, there is no argument otherwise (despite [Dave Jones’] assertion that sourcing connectors is so much simpler if you have pages full of images). Just being able to search was a game c...

  • DIY Phone Charger Born From Cyclone Disaster

    DIY Phone Charger Born From Cyclone Disaster | Hackaday

    hackaday.com 27 Jan '15, 11pm

    As convenient as cell phones are, sometimes these power-hungry devices let us down right at the worst time. We’re talking about battery life and how short it is in modern cell phones. Sure that’s totally inconvenient sometimes but it could be way worse. For example: during a natural d...

  • Retrotechtacular: The Gossamer Condor

    Retrotechtacular: The Gossamer Condor | Hackaday

    hackaday.com 27 Jan '15, 6pm

    For centuries, human-powered flight eluded mankind. Many thought it was just an impossible dream. But several great inventions have been born from competition. Challenge man to do something extraordinary, offer him a handsome cash incentive, and he may surprise you . In 1959, London’s...

  • Using HID Tricks to Drop Malicious Files

    Using HID Tricks to Drop Malicious Files | Hackaday

    hackaday.com 27 Jan '15, 3pm

    [Nikhil] has been experimenting with human interface devices (HID) in relation to security . We’ve seen in the past how HID can be exploited using inexpensive equipment. [Nikhil] has built his own simple device to drop malicious files onto target computers using HID technology. The sy...

  • DIY 6502 Laptop Computer Looks and Works Great

    DIY 6502 Laptop Computer Looks and Works Great | Hackaday

    hackaday.com 27 Jan '15, 12pm

    Over the years, we’ve seen a lot of DIY retro computers, but [Dirk Grappendorf] has created one of the most polished looking 6502 systems to date. His battery-powered portable machine utilizes a 4 line by 40 character LCD, and a modified USB keyboard. Cover all that in a slick 3D prin...

  • 3D Printed Speaker Pushes Rapid Prototyping Boundaries

    3D Printed Speaker Pushes Rapid Prototyping Boundaries | Hackaday

    hackaday.com 27 Jan '15, 9am

    We think FormLabs has really figured out the key to advertising their line of 3D printers — just design really cool stuff that you can 3D print in resin, and release them publicly! To celebrate a firmware upgrade to the Form 1+, they’ve designed and released this really cool 3D printe...

  • A Remote for CHDK Cameras Made Possible with Arduino

    A Remote for CHDK Cameras Made Possible with Arduino | Hackaday

    hackaday.com 27 Jan '15, 6am

    [AlxDroidDev] built himself a nice remote control box for CHDK-enabled cameras. If you haven’t heard of CHDK , it’s a pretty cool software modification for some Canon cameras. CHDK adds many new features to inexpensive cameras. In this case, [AlxDroidDev] is using a feature that allow...