hackaday.com Archives - 19 December 2014, Friday

  • Crypto Photography and Custom Firmware | Hackaday

    hackaday.com 19 Dec '14, 12am

    Imagine a camera that took encrypted pictures. If your camera is stolen, the only thing on the memory card would be random data that can only be unlocked with a key. If you hire a photographer, those images cannot be copied without the key. At the very least, it’s an interesting idea ...

  • Counting Transistors In The Playstation | Hackaday

    hackaday.com 18 Dec '14, 9pm

    Because contrary to people like you who assume that just because an emulator can run Super Mario World it’s inherently “perfect”, emulator developers are well aware that emulating a console at anything less than the most fine-grained level can never truly replicate the hardware. byuu ...

  • Wire Wrap 101

    Wire Wrap 101 | Hackaday

    hackaday.com 18 Dec '14, 6pm

    And finally a technician named [Jeff] in the old MOS/Commodore R&D lab showed me how his boards never seemed to have much slack in them. He would take one of the skinny wire wrap tools and get on a socket pin/tail, then rotate the pin itself taking up the slack. While this looks bette...

  • Meme Themed Pinball Machine – Much Flipping, Y U No Win?! | Hackaday

    hackaday.com 18 Dec '14, 3pm

    Summoning 4chans, 9gags, Reddits and other denizens of easily-digested content, Liberty Games stripped apart a dilapidated “Baby Doll” pinball arcade machine and turned it into this meme-spouting monstrosity . A complete redo of the vinyl and graphics to sport dozens of familiar inter...

  • Towards More Interesting Instant Cameras

    Towards More Interesting Instant Cameras | Hackaday

    hackaday.com 18 Dec '14, 12pm

    When [Ch00f] was getting jeans rung up at Nordstroms, he noticed how fast thermal receipt printers can put an image on a piece of paper. This observation isn’t unique to the circles [Ch00f] frequents – there are a few small receipt paper printers out there that connect to the Internet...

  • Edge-Lit Clear Plastic Bike Combines Nighttime Riding Safety With Aurora Borealis Flair

    Edge-Lit Clear Plastic Bike Combines Nighttime Riding Safety With Aurora Borealis Flair | Hackaday

    hackaday.com 18 Dec '14, 9am

    Several years ago [dan] saw some plastic frame bikes designed by MIT students. Ever since he saw those bikes he thought it would be cool to make an edge-lit plastic framed bike . The frame is made from 1/8″ and 3/8″ thick polycarbonate sheet. The parts were designed with tongue and gr...

  • Repairing A Router Plagued By Capacitors | Hackaday

    hackaday.com 18 Dec '14, 6am

    [psgarcha]’s modem/router comes straight from his internet provider, is on 24/7, and is built with the cheapest components imaginable. Eventually, this will be a problem and for [psgarcha], this problem manifested itself sooner than expected. Fortunately, there was a soldering iron ha...

  • SingLock Protects Your Valuables from Shy People

    SingLock Protects Your Valuables from Shy People | Hackaday

    hackaday.com 18 Dec '14, 3am

    Two Cornell students have designed their own multi-factor authentication system . This system uses a PIN combined with a form of voice recognition to authenticate a user. Their system is not as simple as speaking a passphrase, though. Instead, you have to sing the correct tones into t...

  • Derby’s Got Legs, He Knows How to Use Them

    Derby’s Got Legs, He Knows How to Use Them | Hackaday

    hackaday.com 18 Dec '14, 12am

    There’s just something about the holidays and man’s best friend that brings out the best in people. [Tara Anderson], Director of CJP Product Management at 3D Systems, fostered a husky mix named Derby. Derby was born with a congenital defect: his forelegs were underdeveloped with no pa...

  • Drawing On Glow In The Dark Surfaces With Lasers | Hackaday

    hackaday.com 17 Dec '14, 9pm

    Thanks for the comment Nater. I was looking for paint. I will have to try that. If you look in the BOM that is linked to in the bottom of the instructable (Intro Page) I bought a 5’x’5 sheet of this stuff that people put on their cars to make them glow? Seriously? Anyways works for me...

  • Lumographic Images Created With Lens Only

    Lumographic Images Created With Lens Only | Hackaday

    hackaday.com 17 Dec '14, 6pm

    Lumographic images are those patterns you see at the bottom of swimming pools. When water works as a lens, the light patterns of bright and dark are random and wandering based on the waves above. [Matthew] figured out a way to create fixed images from lens shape alone . The images onl...

  • The Most Minimal WS2812B Driver

    The Most Minimal WS2812B Driver | Hackaday

    hackaday.com 17 Dec '14, 3pm

    Whether you call them individually controllable RGB LEDs, WS2812, or NeoPixels, there’s no denying they are extremely popular and a staple of every glowey and blinkey project. Fresh off the reel, they’re nearly useless – you need a controller, and that has led to many people coming up...

  • Tiptoe Through the Tulips in No Time With Ukule-LED

    Tiptoe Through the Tulips in No Time With Ukule-LED | Hackaday

    hackaday.com 17 Dec '14, 12pm

    Take it from someone who has played at the guitar for over 20 years: reading sheet music can be a big stumbling block to musical enjoyment. Playing by ear is somewhat unreliable, tablature only works well if you’re already familiar with the tune and tempo, and pulling melody from chor...

  • ESP Gets FCC and CE | Hackaday

    hackaday.com 17 Dec '14, 9am

    That the module has an FCC/CE cert doesn’t really mean anything apart that it is maybe legal to import it now. If you are building a product for sale, the product must always be certified as a whole. Whether the components are certified or not is completely irrelevant – just think abo...

  • Trinket EDC Contest Drawing #3 Results

    Trinket EDC Contest Drawing #3 Results | Hackaday

    hackaday.com 17 Dec '14, 6am

    We’ve held our third drawing for the Trinket Everyday Carry Contest . Once again we’ve used a Pro Trinket to pick the random winner. This week’s winner is [Scissorfeind] with his project Stylin’ safety jacket In true hack style, [Scissorfeind] went into this project with two goals: A ...

  • DRM Protection Removed for… Coffee?

    DRM Protection Removed for… Coffee? | Hackaday

    hackaday.com 17 Dec '14, 3am

    Keurig, the manufacturer of a single-serve coffee brewing system, has a very wide following amongst coffee drinkers. Their K-cup (pre-packaged coffee grounds with a coffee filter, all in a plastic container) is an interesting concept and makes brewing a single cup of coffee much more ...

  • Battery Basics – Choosing a Battery for Your Project

    Battery Basics – Choosing a Battery for Your Project | Hackaday

    hackaday.com 17 Dec '14, 12am

    If choosing a rechargeable battery for your project intimidates you, [Afroman] has prepared a primer video that should put you at ease. In this tutorial for battery basics he not only walks you through a choice of 5 rechargeable chemistries and their respective tradeoffs, but gives a ...

  • UAV Coaxial Copter Uses Unique Drive Mechanism | Hackaday

    hackaday.com 16 Dec '14, 9pm

    Personal UAV’s are becoming ubiquitous these days, but there is still much room for improvement. Researchers at [Modlab] understand this, and they’ve come up with a very unique method of controlling pitch, yaw, and roll for a coaxial ‘copter using only the two drive motors. In order t...

  • Retrotechtacular: Pipeline to the Arctic

    Retrotechtacular: Pipeline to the Arctic | Hackaday

    hackaday.com 16 Dec '14, 6pm

    They said it couldn’t be done, and perhaps it shouldn’t have been attempted. Shouldas and couldas aside, the oil crisis of the 1970s paved the legislative way for an 800-mile pipeline across the Alaskan frontier, and so the project began . The 48-inch diameter pipe sections would be m...

  • FPGA Ambilight Clone Packs a Ton of Features

    FPGA Ambilight Clone Packs a Ton of Features | Hackaday

    hackaday.com 16 Dec '14, 3pm

    [Stephen] designed a standalone Ambilight clone built around an FPGA and recently added many new features to make his design even better. His original design was based around a Spartan 3-E FPGA, but his new design uses the Papilio One board with a Spartan-6 LX9 FPGA. This gives him de...

  • Create an Inclinometer Using a Raspberry Pi

    Create an Inclinometer Using a Raspberry Pi | Hackaday

    hackaday.com 16 Dec '14, 12pm

    The latest gizmo that you can make using the cheap and easy Raspberry Pi is here courtesy of [Mark Williams]. He has hooked up an inertial measurement unit (IMU) to the Pi and built an inclinometer to use to measure the various angles of an off-road vehicle . This particular guide goe...

  • Boy Off The Grid For Years Writes GUI for DOS | Hackaday

    hackaday.com 16 Dec '14, 9am

    In a hacker version of Jumanji, when [fiberbundle]’s parents divorced, and his thrice-fugitive new stepfather took him to a remote location in Australia without any access to technology or the outside world. With him he brought an old 486, a gift from his real dad . Lest the police di...

  • Using Lasers for Hair Growth

    Using Lasers for Hair Growth | Hackaday

    hackaday.com 16 Dec '14, 6am

    HowToLou is back with a rather interesting build: One hundred laser diodes for hair growth . Before you guffaw at the idea of lasers regrowing hair lost to male pattern baldness, there’s a surprising amount of FDA documents covering the use of laser diodes and red LEDs for hair growth...

  • DIY Video Microscope Used For Soldering SMD Parts

    DIY Video Microscope Used For Soldering SMD Parts | Hackaday

    hackaday.com 16 Dec '14, 3am

    Fortunately (or unfortunately), [ucDude] has had the opportunity to try out a high quality video microscope while soldering some small surface mount components. He loved it, the problem was he had a hard time going back to using just his eyes. He wanted a video microscope but the cost...

  • Meet Registroid – Mutant Cash Register Music Sequencer

    Meet Registroid – Mutant Cash Register Music Sequencer | Hackaday

    hackaday.com 16 Dec '14, 12am

    73 years ago WWII was in full swing, the world’s first computer had not yet crunched atomic bomb physics and department store cash registers had to add up your purchases mechanically. Back then, each pull caused the device to whirl and kerchunk like a slot machine. [David] & [Scott] k...

  • Trinket EDC Contest Entry: Shame On You!

    Trinket EDC Contest Entry: Shame On You! | Hackaday

    hackaday.com 15 Dec '14, 9pm

    [BDM] is helping others keep WiFi safe with “Shame On You! “, his entry in Hackaday’s Trinket Everyday Carry Contest . We all have that family member, friend, or neighbor who just can’t seem to get their WiFi locked down. Shame On You will show them how easy it is to detect such a hot...

  • Home Computers Behind The Iron Curtain

    Home Computers Behind The Iron Curtain | Hackaday

    hackaday.com 15 Dec '14, 6pm

    Talking about software – the situation was even more ridiculous! Try to guess – how many software titles for home computers could you buy in Czechoslovak software shops in 1987? No, it wasn’t 1000. Not even 500. Neither 100 nor 50… No, not 10. The correct answer is: You couldn’t buy s...

  • Reverse Engineering a Robotic Arm | Hackaday

    hackaday.com 15 Dec '14, 3pm

    Not too many people will argue that Robot Arms aren’t cool. [Dan] thinks they are cool and purchased a LabVolt Armdroid robotic arm on eBay for a mere $150. Unfortunately, he did not get the power supply or the control unit. To most, this would a serious hurdle to overcome, but not fo...

  • Making A Paintball Gun from Scratch

    Making A Paintball Gun from Scratch | Hackaday

    hackaday.com 15 Dec '14, 12pm

    [Ben’s] big brother [Brian] has been slowly building up a respectable mini-machine shop in his garage over the past few years, collecting odds and ends off of Craigslist for cheap. Looking for a fun project to do together, they decided to try their hand at building a paintball gun — c...

  • Gift Your Next Robot With the Brain of a Roundworm

    Gift Your Next Robot With the Brain of a Roundworm | Hackaday

    hackaday.com 15 Dec '14, 9am

    A group of developers called [OpenWorm] have mapped the 302 neurons of the Caenorhabditis elegans species of roundworm and created a virtual neural network that can be used to solve all the types of problems a worm might encounter. Which, when you think about it, aren’t much different...