hackaday.com Archives - 18 February 2013, Monday

  • Valentine’s puzzle box makes you work for what’s inside

    hackaday.com 18 Feb '13, 11pm

    Awesome! Reminds me of something I did last valentine.. I already had a little home automation up and running, and one of the things I have hacked is my digital safe. I refitted a new board with an Atmega328 inside and a wireless module at MHz so it could be operated remotely (I imple...

  • A beautiful game of Lights Out

    A beautiful game of Lights Out

    hackaday.com 18 Feb '13, 9pm

    About a year ago, [Anthony] decided to embark on his biggest project to date. He wanted something with a ton of LEDs, so when the idea of recreating the classic electronic Lights Out game came to mind, he knew he had the makings of a killer project. The finished Lights Out arcade box ...

  • Speech synthesizing valentine from 1991

    Speech synthesizing valentine from 1991

    hackaday.com 18 Feb '13, 7pm

    Back in 1991, a young [Backwoods Engineer] and his new wife went to a Valentines day get together. One of the conditions of the shindig was having the guys make – not buy – a Valentines day card. Go big or go home, he though, and after a few days he had a talking Valentines day card t...

  • [CNLohr]‘s Microscope Slide Linux AVR Minecraft… thing

    [CNLohr]‘s Microscope Slide Linux AVR Minecraft… thing

    hackaday.com 18 Feb '13, 5pm

    We’ve been following [CNLohr]‘s process of creating an AVR-powered microscope slide running Linux and interfacing redstone circuits in Minecraft to real world electronic for a while now, but we’re really at a loss for words on how it works. Well, now there’s a video explaining everyth...

  • Making a QR clock bigger, cheaper, and better

    Making a QR clock bigger, cheaper, and better

    hackaday.com 18 Feb '13, 3pm

    With the massive response and blog cred from his QR Code clock, [ch00f] felt it was time to step up his game and update his design to a proper commercial product. His new QR clock is bigger, brighter, cheaper, and in every way better than the old version, but these improvements came a...

  • Running x86 apps on Windows devices

    Running x86 apps on Windows RT devices

    hackaday.com 18 Feb '13, 3pm

    Windows RT, the version of Windows being loaded onto ARM-powered tablets and netbooks such as the new Microsoft Surface, has one drawback: there are tens of thousands of apps written for x86 hardware that simply won’t run on this new ARM-powered architecture. While this may present a ...

  • The Nottingham Hackspace

    hackaday.com 17 Feb '13, 3pm

    Hackerspaces (or hackspace in this case) come in all shapes and sizes, from those just starting up, to some that are very impressively equipped. [Dominic] wrote in to tell us about the Nottingham Hackspace , which would fall solidly into the second category. We’d invite you to take a ...

  • Making a better, MIDI controlled Leslie stompbox

    Making a better, MIDI controlled Leslie stompbox

    hackaday.com 17 Feb '13, 1pm

    Way back before the advent of commercial DSP, musicians had really cool looking gear. One of these devices to change the sound of organs, guitars, and other electronic instruments was a Leslie speaker – a speaker cabinet with rotating horns that gives that wonderful warm warble heard ...

  • Bringing the Zach Morris phone into the 21st century

    hackaday.com 17 Feb '13, 11am

    With the gravitas of [Michael Douglas] in Wall Street and the technological amazement of [Zach Morris] on Saved By The Bell, the classic 1980s ‘brick’ cell phone has a lot to offer these days. Not only is it large enough to be used as a blunt weapon, it’s also useful as an anchor and ...

  • Custom 3D printed designs with Makerbot’s Customizer

    Custom 3D printed designs with Makerbot’s Customizer

    hackaday.com 16 Feb '13, 9pm

    Although having a 3D printer means you can create custom object of your own design, that doesn’t change the fact that most object printed on Makerbots and RepRaps are copies, or slight derivations, of already existing object. If you need a gear, just go grab an OpenSCAD file for a gea...

  • R2D2 collects Valentine’s cards like a boss

    R2D2 collects Valentine’s cards like a boss

    hackaday.com 16 Feb '13, 5pm

    Inspiration – (Dr. Evil voice on) When I was in first grade, like many of us we were tasked with building the “best” valentine’s day card box and then seeing who won. I tricked mine out, wrapped it in foil, used pink and purple hearts, and made the opening the shape of a heart, I thou...

    Related:
    1. rebase like a boss robots.thoughtbot.com 15 Feb '13, 3pm
  • Turning an $8 RFID reader into something useful

    Turning an $8 RFID reader into something useful

    hackaday.com 16 Feb '13, 2pm

    [Fabian] ran across a very, very inexpensive RFID reader on Deal Extreme a while ago and with money to burn, added it to his cart. When the USB RFID reader arrived, he noticed something fairly odd about it (French, Traduction ). The RFID reader presented itself to his computer as a US...

  • Playing with the Minecraft API and a Raspberry Pi

    Playing with the Minecraft API and a Raspberry Pi

    hackaday.com 16 Feb '13, 12pm

    It hasn’t been a week since Minecraft for the Raspberry Pi has been released, and already we’re seeing some cool builds that bridge our analog world with Minecraft voxel land. [Martin] got his hands on the Raspi version of Minecraft and decided to take advantage of the API Mojang thre...

  • UDP between STM32-F4 Discovery boards

    UDP between STM32-F4 Discovery boards

    hackaday.com 15 Feb '13, 9pm

    [The Backwoods Engineer] tested out a new accessory kit for the STM32-F4 Discovery board. The image above shows two boards communicating with the UDP protocol . Notice the extra PCB into which each Discovery board has been plugged. This is a third-party add-on which adds Ethernet, RS-...

  • Airsoft turret has turn, tilt, and auto-feed to keep those BBs flying: Yet another project that proves you need...

    Airsoft turret has turn, tilt, and auto-feed to keep those BBs flying

    hackaday.com 15 Feb '13, 8pm

    Yet another project that proves you need to acquire a laser cutter. This Airsoft turret rotates, tilts, and includes a hopper for ammo . All of the pieces were cut from acrylic. The base includes a bracket which keeps the large rotating gear level by sandwiching it between the layers....

  • Cracking open a 24-port switch so you don’t have to

    hackaday.com 15 Feb '13, 7pm

    [Kenneth Finnegan's] post about this 24-Port HP ProCurve 2824 Ethernet Switch teardown was a delight to read. He’s taking an introduction to networking class at California Polytechnic State University. One of their labs included virtual machines shooting thousands of new MAC addresses...

  • Beginner’s Android/Arduino example shows the power of App Inventor

    Beginner’s Android/Arduino example shows the power of App Inventor

    hackaday.com 15 Feb '13, 6pm

    Check out the third button down; when was the last time you added voice commands to your project? It’s worth clicking through to see just how simple that portion was. App Inventor — a Google cast-out that is now maintained by MIT — is a graphical tool that unlocks the power of an Andr...

  • Quadcopter brain

    Quadcopter brain

    hackaday.com 15 Feb '13, 4pm

    You can see the effort he made to keep the board symmetrical which will help when it comes time to balance the aircraft. At the center of the PCB is the jewel of the sensor array, a combination accelerometer and gyroscope. This location will help easy the trouble of designing PID algo...

  • An awesome, futuristic, all-in-one robot chassis

    hackaday.com 15 Feb '13, 1pm

    It seams like the 3D designer has made such a good job that most of the discussion are immediately moved in the body/mechanic domain. But, when you are saying “not particularly intriguing” did you also took in account what is “inside” of this pretty looking body? In particular, there ...

  • Pulse jet snowmobile, or, what Swedes do during hibernation

    Pulse jet snowmobile, or, what Swedes do during hibernation

    hackaday.com 15 Feb '13, 11am

    Sweden is coming out of the depths of a cold, dark winter. What better time, then, to enjoy the last few weeks of frigid temperatures, short days, and frozen lakes and rivers? That’s what Orsa Speed Weekend is all about; tearing across a frozen lake by any means necessary, including j...

  • New post: Raspberry Pi as a plug-in hash harvester

    Raspberry Pi as a plug-in hash harvester

    hackaday.com 14 Feb '13, 8pm

    Plug in the power and Ethernet and this Raspberry Pi board will automatically collect Windows hashes from computers on the network. With a couple of RPi boards on hand [Travis] was searching for more hacks to try with them. This made a great little test to see how the board performs w...

  • Infra is a television made of Infrared pixels

    Infra is a television made of Infrared pixels

    hackaday.com 31 Jan '13, 10pm

    This television is perfect except for its low resolution and the fact that it can’t be seen by the naked eye. [Chris Shen's] art installation, Infra, uses 625 television remotes as pixels for a TV screen . There’s a little bit of insight to be gained from the details which [Chris] sha...

  • 12-axis sensor adds auto screen orientation to this older tablet PC

    12-axis sensor adds auto screen orientation to this older tablet PC

    hackaday.com 31 Jan '13, 8pm

    The hardware comes in two pieces. The first is a mini-PCIe card to USB interface. This is handy if you want to add a Bluetooth dongle permanently to your computer. But he’s got other things in mind for it. After hacking the BIOS (which for some reason limits what you can plug into thi...

  • How a dial-up modem handshake works

    How a dial-up modem handshake works

    hackaday.com 31 Jan '13, 7pm

    I’ve always wanted to see this! My modem curiosity has peaked lately as I’ve been wanting/trying to set up a PPP or dialup connection across wireless via some GMRS walkie talkies my dad gave me. I was going to crack them open, look for the IC(s) responsible for the transceiver and dat...

  • Getting an Arduino to control a wireless outlet

    Getting an Arduino to control a wireless outlet

    hackaday.com 31 Jan '13, 6pm

    [Reza's] methodical investigation of this remote controlled outlet let him patch in with an Arduino using a 433 MHz transmitter . This is a single-device unit, but the techniques used here should allow you to take control of wireless rigs that have multiple modules to control many dev...

  • Turning the Belkin WeMo into a deathtrap

    hackaday.com 31 Jan '13, 5pm

    “but of course there are a few security implications of having your electric kettle connected to the Internet.” Like what? I leave my kettle on at the wall all the time, I press the manual button on top when I want hot water, -the kettle turns itself off when it’s boiled. What implica...

  • Gas sensor suite built with Gadgeteer modules

    hackaday.com 31 Jan '13, 2pm

    If you value your time and want to be able to quickly & easily build prototypes or permanent projects then there is not a better choice. Maybe slightly more expensive than other options but most Gadgeteer mainboards typically have much more powerful than your typical mcu also. So, if ...

  • 7x7x7 LED cube driven by Arduino mega

    7x7x7 LED cube driven by Arduino mega

    hackaday.com 31 Jan '13, 1pm

    The cube is able to process 142 frames per second, that is, 1 frame every 7 milliseconds. Within this time period, it loops through a still frame 7 times (Each cycle of POV lasts 144 microseconds). This is able to compensate for flickering during video recording, allowing all camera’s...

  • The Keypad Contest

    The Keypad Contest

    hackaday.com 31 Jan '13, 11am

    What can you do with ten buttons and ten lights? A lot. [Andrew] and [Nathan] found a collection of Hale Research keypads being thrown out, and decided to host the Keypad Contest . The goal of the contest was to create something nifty using the ten buttons and ten lights on the keypad...

  • Feedback for automated water and food pet dispensers

    Feedback for automated water and food pet dispensers

    hackaday.com 30 Jan '13, 10pm

    [Enrico] figured out a way to fully automate his pet food and water . The system is in two parts, the water trough as seen on the left, and the food dispenser whose control hardware is shown on the right. The system is even hooked up to the network so that he can make sure it didn’t b...