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Pink wireless-terminal of wonder

Posted: November 30th, 2009, 1:27pm MST by Mike Szczys

[Hunter Davis] is at it again, this time hacking the pink IM-ME to use as a wireless terminal. It sells for between $12-16 and he ordered it to get free shipping with another purchase. The wireless antenna registered as an HID device when he plugged it into his Linux box. He then sat down for [...]

DS based reader for the blind

Posted: November 30th, 2009, 11:33am MST by Mike Szczys

[Epokh] has release some homebrew software that uses a Nintendo DS as a voice reader for documents. This is extremely useful for blind and visually impaired folks who normally use screen readers but can utilize this technology for reading books, documents, and email on the go. Future versions look to add an email client and [...]

Robo-one dance competition

Posted: November 30th, 2009, 8:34am MST by Caleb Kraft

This year at the creepy robot dace-a-thon, also known as the Robo-one dance competition, we get to see the creepy brought to new levels. We thought the Lou Vega decapitated head bot was creepy, but somehow these people managed to make a biped out creep a hexapod. Watch above as this uncanny valley resident tries to shimmy into [...]

NXT Turing machine

Posted: November 30th, 2009, 7:00am MST by Jacob Woj

This interesting use of Lego popped up on the mailing list of the University of Bergen. Build by a group of Norwegian Danish students, it’s a simple computer that implements Alan Turing’s design from 1937. Having both read and write functions, it implements its own (somewhat inefficient) medium of non-volatile memory. What we find interesting is that rather than move the [...]

Xbox 360 controller on NES

Posted: November 30th, 2009, 5:43am MST by Jacob Woj

Some may think that linking an Xbox 360 controller to an original NES console is overkill. [Francois] would not count him self among that group. When the robotics team at his school was done using the controller with one of their projects, [Francois] used a Cortex M3 processor to get it to run with one of Nintendo’s 8-bit consoles. Part [...]

Hackaday Links: Sunday, November 29

Posted: November 29th, 2009, 1:30pm MST by Mike Szczys

Sometimes we wonder if we’re making good choices with PCB layout when using EagleCAD. Watch how the pros do it with a video of an hour-long Adafruit PCB layout session compressed into seven minutes. [Elijah] documented his RepStrap build. This is a chicken-or-egg project in that RepStrap machines are built without the assistance of an already [...]

Xbox-intosh & an Atom-based Cube

Posted: November 29th, 2009, 9:00am MST by Jacob Woj

Though [Will] is more of a PC guy, he needed a Mac to run the software he needed for his line of work (Final Cut). Making the best of an unfortunate situation, he constructed this hackintosh inside the case of Microsoft’s original gaming console – the Xbox. [Will] did a good job at documenting the [...]

Magic clock knows your location

Posted: November 29th, 2009, 7:48am MST by Jakob Griffith

Straight out of the fiction of Harry Potter is The Magic Clock. Just like in the novel this clock (is it still a clock even thought it doesnt tell time?) shows the current location of family members, from home to the doctor’s office, even to mortal peril (We hear its nice this time of year). The [...]

Using an iPhone as a Newton keyboard

Posted: November 28th, 2009, 2:07pm MST by Caleb Kraft

[Jesus Alvarez] sent us this funny little project. If you happen to have an iPhone and an old Apple Newton, you can use the iPhone as a keyboard for the Newton. You can download the schematic from his site to build the wire to connect the two. After that, you have to run an app [...]

GSM enabled security door

Posted: November 28th, 2009, 12:31pm MST by Mike Szczys

The security door at the front of [Oliver's] building uses an intercom system to let in guests remotely. Each unit has an intercom handset with a button that unlocks the door. [Oliver] wanted a way to enter without carrying any extra items so he built a system to unlock the door with his cell phone. He [...]

How to use Wiimotes w/ Linux

Posted: November 28th, 2009, 8:55am MST by Jacob Woj

[Sprite_tm] has whipped up yet another interesting tutorial – software-based this time. He basically describes how he connected his Wiimotes to an HTPC. A USB Bluetooth receiver, and a little bit of Linux scripting, was all that was necessary to get the system up and running. To add to the fun, [Sprite_tm] configured a the controllers to work [...]

13th century navigation system

Posted: November 28th, 2009, 6:52am MST by Mike Szczys

[Tom Wujec] explains how an astrolabe works and its importance in our technological development. He argues that an astrolabe was the world’s first “popular computer”. It measures the sky and that measurement can be used to tell time, survey land, and navigate a ship. Astrolabes are built from three pieces and according to [Tom], educated children [...]

Four tear-downs for your Friday afternoon

Posted: November 27th, 2009, 6:32pm MST by Jakob Griffith

We know that feeling, you’ve been up all morning working hard, and now you just want to relax. What better way than to sit back and watch as helpless electronic devices are stripped, forced to show their goods, then put back together only hap hazardly – not that we’re into that or anything. Today, we [...]

Door opening help

Posted: November 27th, 2009, 9:23am MST by Caleb Kraft

For those who are seeking prosthetic limbs, or just require a little bit of robotic gripper help, the choices are very few and very costly. A newcomer to the area is hoping to change the costly part with their door opening arm. Costing only $2,000 to build, it is quite cheap compared to the other offerings. This arm can [...]

Autonomous Turret wielding biped bot

Posted: November 27th, 2009, 7:14am MST by Caleb Kraft

Pay close attention. At roughly 36 seconds we see Asimov’s laws going out the window. We’re pretty sure we saw this little autonomous battle bot take a shot at a human. We can’t tell for sure, but it looked like it enjoyed it too. This bot is being built by [xdream] to compete in the Mech [...]

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DS goes full size – pockets everywhere rally in protest

Posted: November 26th, 2009, 12:48pm MST by Mike Szczys

It’s hard to believe we missed this one from a couple of years back but we’re thankful that reader [Christian] tipped us off about it. This a Nintendo DS with two tablet pc screens being used as an external display. He’s using an FPGA but not to emulate the processor. It is translating the video [...]

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Tiny keyboard/touchpad has “hack” written all over it

Posted: November 26th, 2009, 8:52am MST by Phil Burgess

Yes, we know, this is not a hack, yet it just has the vibe of something we’ll likely be seeing in many small form-factor systems and wearable hacks in the future. The USB Wireless Handheld Keyboard is a diminutive keyboard and mouse replacement with a passing resemblance to a BlackBerry PDA — where the screen has [...]

Make any gloves work with a touch screen

Posted: November 25th, 2009, 3:06pm MST by Phil Burgess

The chill of autumn is upon us, and with it comes the awkward sport of trying to work touch-sensitive phones and gadgets with gloved fingers. One can try toughing it out with fingerless gloves, or we’ve seen some costly solutions in the forms of specialized gloves and capacitive-compatible styluses, but sometimes simple is best: all it [...]

Recover borked HDD after Xbox 360 ban

Posted: November 25th, 2009, 1:20pm MST by Mike Szczys

[Incudie] tipped us off about a method to fix a borked HDD in your Xbox 360. Many of the one million consoles banned earlier in the month also had the hard disks scrambled making off-line gaming impossible as well. It turns out that this is caused by having a ban flag in the NAND chip [...]

Turkey fryer; awful, bad, and worse

Posted: November 25th, 2009, 12:30pm MST by Mike Szczys

Tomorrow’s turkey day here in the United States. Do you fully expect your trashy neighbor to burn down his house while trying to cook a holiday feast? To see what’s in store for your neighborhood we’ve rounded up a great collection of idiots deep frying turkeys. Let’s set up the fryer on our wooden deck… now [...]

Voice controlled lock? Almost…

Posted: November 25th, 2009, 11:13am MST by Jakob Griffith

If you watched the video before reading the article (like we did) and started shaking in your boots at a voice controlled lock system, prepare to be disappointed. His spoken commands are actually to his son to press the appropriate keys on a keypad off screen, the lock is not actually voice controlled. But still, [Michael [...]

TI sports watch for hacking

Posted: November 25th, 2009, 9:55am MST by Mike Szczys

How would you like to have a 3-axis accelerometer, pressure sensor, temperature sensor, RF wireless, and an LCD screen in a development package? What if we told you that you can have it in the form factor of a wristwatch offering from Texas Instruments? How much would you pay for such a device? Quit guessing, [...]

Digital BMXing through San Francisco

Posted: November 25th, 2009, 7:14am MST by Caleb Kraft

[Alpay] sent in this project he did recently. He was hired to produce a kiosk that would stand out to the kids at the event. He chose to make a bike riding game utilizing open source hardware and software. There was some thought put into what interface to use to make it easiest for people [...]

Commodore SQ1000 twitter wall: the twypper

Posted: November 24th, 2009, 12:06pm MST by Caleb Kraft

Before we begin, let us soothe those first dreaded thoughts. No, the commodore was not destroyed in the process. They can simply clip the 16 wires they added to interface the keyboard and be back to stock. Breathe a sigh of relief, and enjoy the twypper, a twitter wall made from a commodore SQ1000. [Alex] needed [...]

Hack a Sketch

Posted: November 24th, 2009, 8:18am MST by Caleb Kraft

Sometimes we miss that old Etch a Sketch we had when we were kids. The challenge of producing a decent image using those two knobs was always fun and frustrating at the same time. This project lets us recreate this interface on our computer. The Hack a Sketch is a combination of an Etch a [...]

$100 free from your favorite hobby supplier!

Posted: November 24th, 2009, 7:13am MST by Jakob Griffith

We were wary at first when the email came in with the headline “SparkFun is having a free day” and figured surly this is in relation to recent events? But no, after 7 years of loyal customers, SparkFun is simply giving back to the community. It’s interesting to think that without their services, we wouldn’t have [...]

STM8S-Discovery: Microcontrollers reach a new low

Posted: November 23rd, 2009, 2:30pm MST by Phil Burgess

A complete microcontroller development kit for little more than the cost of a bare chip? That’s what STMicroelectronics is promising with their STM8S-Discovery: seven dollars gets you not only a board-mounted 8-bit microcontroller with an decent range of GPIO pins and functions, but the USB programmer/debugger as well. The STM8S microcontroller is in a similar class as the [...]

Cable management for pull-out shelves

Posted: November 23rd, 2009, 1:19pm MST by Mike Szczys

Cable management is a headache for all, and if unmitigated it becomes a playground for cats. [kws103] posted a project a while ago that takes care of the messy wires for electronics on pull out shelving. Channel bracket is used to house the cables and has been articulated in three places to facilitate the movement [...]

Electronic guitar pick tunes the strings for you

Posted: November 23rd, 2009, 11:21am MST by Mike Szczys

The Stimmmopped is an electronic guitar tuner made to be used as a guitar pick. This uses two LEDs synchronized to blink at the exact frequency of the string you are tuning. Pluck the string with the corner of the PCB and then shine the light on the string you are tuning. As the vibrating [...]

CNC circuit board fabrication

Posted: November 23rd, 2009, 9:36am MST by Mike Szczys

[Jonathan Ward's] pcb mill is as impressive as it is inexpensive. Twenty-six plywood parts, labeled A-Z, are used to assemble the machine along with the customary precision rods, stepper motors, and router assembly. His bill of materials prices the unit at $458.18, a small price to pay in order to forgo a multi-step etching process. His [...]

SparkFun product used for immoral hacking

Posted: November 23rd, 2009, 8:00am MST by Jakob Griffith

While we have our fun ethically hacking, its very easy to forget that sometimes our ideas could be used with malicious goals. Take for instance SparkFun’s BlueSMiRF – the device’s original intention is simply to act as a wireless serial cable replacement. After hackers discovered several PIN pads use a serial interface, they put one [...]

Automatic pneumatic drum kit

Posted: November 23rd, 2009, 6:59am MST by Jacob Woj

Move over Steve and PEART… there’s yet another robotic drummer in town. [Fauzii] tipped us off to his own MIDI-controlled creation – WizardFingers. According to him, WizardFingers is already capable of 64th note rolls at over 250 beats per minute. That’s on every drum simultaneously. Each drum is hit with a lever attached to a linear pneumatic actuator. A [...]

Building capacitive sensitive floor tiles

Posted: November 22nd, 2009, 11:49am MST by Mike Szczys

That title’s a mouthful but you’re already familiar with the technology and application of foot pads as sensors in games like Dance Dance Revolution. The usbddr project sought to make a USB connected DDR controller from scratch. The microcontroller used is an Atmel ATmega8 running the V-USB firmware for connectivity and uses the analog to [...]

Hackaday Links: Sunday November 22

Posted: November 22nd, 2009, 9:10am MST by Caleb Kraft

Hacklab’s laser cutter got the customary musical treatment. You can see it play the theme from mario brothers here. It’s nothing new to us, but we still enjoy seeing it done. Ever been curious how a pole transformer is made? Quench that curiosity with this educational video. [via HackedGadets] Here’s a quasi humanoid robot that is designed [...]

Build a camera boom at less than a grand

Posted: November 21st, 2009, 3:32pm MST by Mike Szczys

The folks at The Geek Group built a camera crane for less than $1000. In the video embedded after the break a presenter takes you through the different parts that make up the boom and how it is operated. This feels like something from a Junkyard Wars challenge as most of the parts are scavenged [...]

LED PDF from TI (KUWTA)

Posted: November 21st, 2009, 10:00am MST by Jakob Griffith

[Satiagraha] let us know that Texas Instruments(TI) has given out a neat “LED Reference Design Cookbook” PDF. The document contains 17 some odd little projects featuring different TI ICs and ways of using them to control LEDs in things from backlights to torches to solar lanterns to advanced PWM control! Sure the document is biased [...]

Review: mbed NXP LPC1768 microcontroller

Posted: November 21st, 2009, 8:19am MST by Phil Burgess

mbed is a next-generation 32-bit microcontroller platform. It’s a prototyping and teaching tool somewhat along the lines of Arduino. On steroids. With claws and fangs. Other contenders in this class include the MAKE Controller, STM32 Primer and Primer 2, Freescale Tower, and Microchip’s PIC32 Starter Kit. The mbed hardware has a number of advantages (and a few disadvantages) [...]

Multixylophoniomnibus

Posted: November 20th, 2009, 1:00pm MST by Mike Szczys

[Ania] wrote in to let us know her team had finished the Multixylophoniomnibus and that they have posted an extensive writeup about it. We covered this augmented xylophone when it was still in development at the beginning of this month. Originally they wanted to use mallets wrapped in tinfoil as switches that close when they [...]

Tube prototyping station

Posted: November 20th, 2009, 11:51am MST by Mike Szczys

[Gio] enjoys using vacuum tubes in his projects. He designs the circuits using a CAD program but was finding that there is no substitute for actually building a prototype before heading to a final design. To make this process easier, he built his own tube prototyping station. At the top of the board he’s got three [...]

Remote uses no batteries

Posted: November 20th, 2009, 9:52am MST by Mike Szczys

How often do you change the batteries in your television remote control? Yeah, basically never. But that’s a tribute to how efficient the device is and not a reason to overlook this development. NEC is showing off a remote control that uses no batteries. Power is generated using the piezo effect that occurs when a [...]

USB accelerometer controller

Posted: November 20th, 2009, 7:31am MST by Caleb Kraft

As you can see above, there is no wiimote in that accessory steering wheel. There is, instead, a home-made accelerometer controller that connects to the pc via USB. Based around a PIC 18F2550 and a 2 axis accelerometer, this device is detected by windows as a standard controller. The schematic and source code are available [...]

Axe your camera (again!)

Posted: November 19th, 2009, 3:43pm MST by Jakob Griffith

[Maurice] let us know that his latest photography tool for hackers, the Camera Axe 3.0, is now available. The original allowed you to trigger a high-speed flash and camera from a multitude of sensors, including light and sound. The new one does all that, but also: allows multiple cameras or multiple flashes, clean up of [...]

Complete the maze, get a gumball

Posted: November 19th, 2009, 1:00pm MST by Caleb Kraft

This neat accelerometer controlled marble maze adds a level of fun to retrieving a gum ball. You have to first navigate the maze using a controller that has a dual axis accelerometer in it to control the angle of the platform. Though that does look like a wii accessory, there is no wiimote in there. Only after you [...]

Another stationary bike VR rig

Posted: November 19th, 2009, 12:00pm MST by Mike Szczys

[Shingo] shared his implementation of a stationary bike as a virtual reality interface. This is similar to the Google Street View setup we covered a week ago but goes a few steps further. They patched into the bike computer to pick up rotation of the bicycle wheel and added an accelerometer for directional control. This [...]

AVR8 virtual processor on FPGA

Posted: November 19th, 2009, 10:47am MST by Mike Szczys

[Jack] wrote in to let us know about a project that creates a virtual microprocessor core based on the ATmega103 by using a Field-Programmable Gate Array. Great, we thought. Here’s another rather esoteric project like the NES on a FPGA, but what’s the motivation behind it? We asked [Jack] and he provided several scenarios where [...]

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When an axe isn’t enough

Posted: November 19th, 2009, 9:09am MST by Mike Szczys

[Chris] wanted a guitar with a keyboard but didn’t want a keytar. Like any good hacker he took a cheap guitar and a small keyboard and introduced them to each other. He moved the control knobs to make room for the keyboard and added the control circuitry from the keyboard to the top of the [...]

Uzebox in an NES controller

Posted: November 19th, 2009, 8:00am MST by James Munns

[David Cranor] has managed to fit a fully working Uzebox system into an old NES controller. Uzebox, an open source gaming platform based on the ATmega 644 and an AD725 NTSC encoder, is one of a couple systems that are becoming more and more widespread and accessible. There are a number of ready-to-go Uzebox kits [...]

(Mini) Earthquake in your living room

Posted: November 19th, 2009, 6:56am MST by Jakob Griffith

Today we stumbled upon [jimthree's] Seismic Reflector while looking at projects that employ the Processing language we mentioned a few days ago. Utilizing a Boarduino and some vibration motors from a game controller, the Seismic Reflector does just as its name implies – rattles itself around whenever there is an earthquake. While this does seem [...]

Outerspace: reactive robotics

Posted: November 18th, 2009, 1:59pm MST by Caleb Kraft

While Outerspace may not have an extremely useful function, being an art installation, we really enjoyed reading through the build information. Basically, Outerspace is supposed to appear to be curious, exploring it’s surroundings and reacting to your contact. We do enjoy a little bit of personality in robots, so this seems like it could be [...]

Look ma, no wires

Posted: November 18th, 2009, 10:06am MST by Mike Szczys

[Robotkid249] details how to build a wireless power transmission system. This is similar to the commercial applications we have seen in a TED talk as well is in a Sony prototype. Power is fed to a ring made of magnet wire. A smaller loop is attached to the system that you want to power and [...]

PIC powered AVR programmer

Posted: November 18th, 2009, 9:03am MST by Mike Szczys

[Texane] wrote in to let us know he has implemented AVR ISP programming using a PIC microcontroller. He wrote some code for an 18F4550 that uses the STK500 standard for In System Programming. This means that his hardware is compatible with AVRdude, the open source AVR programming software. There has long been an argument over [...]

Argh, thar be a big wheel

Posted: November 18th, 2009, 7:42am MST by Mike Szczys

If you’re marooned on a desert island, you want to have a Professor who can build useful items out of coconuts. [LostMachine] is one of those guys, and he’s currently building a land-loving pirate ship. The wacky vehicle will use the giant wheel above to propel the vessel while the captain sits comfortably in the [...]

DIY mood lamp looks store-bought

Posted: November 17th, 2009, 2:13pm MST by Mike Szczys

[NeZoomie] built an RGB mood lamp as his first electronics project. He certainly hit it out of the park with this one, ending up with a design so clean it could be a commercial product. The controller is an Arduino board (further proof that this is a fantastic entry-level platform) that interfaces with 8 RGB [...]

BEAM robot tumbles aimlessly

Posted: November 17th, 2009, 1:00pm MST by Mike Szczys

[Harm's] tumbling robot from a few years back is an excellent study in simple motion. Foregoing wheels or legs, he uses four flippers to roll the robot around the room. Two motors are used, each in charge of two flippers. Identical but separate circuits drive the motors with a 74HC240 gate IC monitoring the continuously [...]

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Banned Xbox 360’s – boon or bust?

Posted: November 17th, 2009, 11:22am MST by Mike Szczys

We’re sure you’ve heard about Xbox 360s facing an other round of bans from Xbox Live last week. It seems that living in a hole, or even in Grenora, North Dakota couldn’t help you escape hearing this from every news source possible. Apparently, this has caused a slew of banned consoles to go up for [...]

R/C airplane motors from computer trash

Posted: November 17th, 2009, 9:17am MST by Caleb Kraft

Here’s something that the R/C airplane crowd might think of as old news. These directions show us how to rework floppy drive and CD Rom motors to be high power airplane motors. There are several listed, with details on each, but those unfamiliar might want to start with the most basic CD Rom version. It [...]

Omni-car

Posted: November 17th, 2009, 8:15am MST by Caleb Kraft

We stumbled onto one of [Nik Melton]’s projects, an Omni-car. It is omnidirectional, meaning it can go any direction at any time without having to turn. The body was designed by him, then printed with a 3D printer. The control scheme is what interests us though. He has found a simple way to wire it [...]

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RFID door lock – the right way

Posted: November 17th, 2009, 7:16am MST by Mike Szczys

[Pcmofo] has shared a well-built, well-explained example of how to implement an RFID key system for a door. We call this the right way because it is well thought out and functional. In the past we’ve seen doors that unlock via a secret knock, keypads, and RFID, but they are all non-permanent solutions capable being [...]

Rotating radar visualization

Posted: November 16th, 2009, 5:00pm MST by Jakob Griffith

We ask, who wouldn’t want a rotating motion and distance tracking radar? Sure in today’s day and age anyone could purchase a wide-angle sonar or IR solution that achieves the same goal, but [LuckyLarry] took it old school and made his own rotating radar. He used an Arduino, servo, and ultrasonic sensor as a base [...]

USB to serial adapter

Posted: November 16th, 2009, 3:17pm MST by Caleb Kraft

[Spikenzie] is at it again. This time he’s posted a nice USB to serial converter. He points out that you can buy a USB to serial adapter pretty cheaply, but sometimes you want this functionality built into your project enough to justify the greater cost. In those cases where you want to integrate it, this [...]

LED Ring Light

Posted: November 16th, 2009, 1:00pm MST by Mike Szczys

[Jani] built his own photography ring light based on automotive LED rings. The rings he used are meant to encircle headlights on a car and are available at a low cost. The assembly is built around a filter that attaches to his camera lens. Two rings of LEDs are then glued to a case made [...]

Radio Assisted Drawing Device

Posted: November 16th, 2009, 12:00pm MST by Mike Szczys

An exhibition just wrapping up at the Russian Frost Farmers Gallery in New Zealand presented an interactive artwork hack. Called the Radio Assisted Drawing Device (R.A.D.D), it is a plotter that mounts on the wall. It isn’t computer controlled, but rather relies on a remote control with two sticks to move the plotter Etch-a-Sketch style. A [...]

Tauntaun costume

Posted: November 16th, 2009, 10:48am MST by Caleb Kraft

[Scott Holden] went all out this year and built an amazing Tauntaun costume. The Tauntaun from Star Wars was massive, standing 8 feet tall, and usually carrying a rider. [Scott] wanted to make it the correct size, and ultimately pulled it off. He had to build custom stilts to get the leg angle correct as [...]

Radar detector tester

Posted: November 15th, 2009, 2:00pm MST by Caleb Kraft

[Blacklight99] made this cool tool. It is a tester for those radar detectors that people keep in their cars. Though this seems like it would rarely be a tool we would need, it’s an interesting project. Some speed guns that the police use have a “stealth” mode that makes them invisible to some detectors. This tool can [...]

Bulbdial redux

Posted: November 15th, 2009, 12:25pm MST by Jakob Griffith

[Taufeeq] sent in his “Circle of Light” bulbdial clock. You may remember when we showed you Evil Mad Scientist’s version a while back, and [Taufeeq] did use it as a base but he’s added some of his own little touches. Some of the changes include using a PIC with an RTC chip instead of AVR, [...]

R/C Lawnmower

Posted: November 14th, 2009, 9:00am MST by Caleb Kraft

[Johndavid400] built this incredible looking R/C lawnmower. After spending some time repairing broken R/C cars, he wanted to move on to something a little more useful and powerful. He decided to build a mower. He’s using a transceiver set from ebay, with an Arduino interpreting the signal and outputting to his custom motor board. In the video after the [...]

[M]ouse: a PS/2 to c64 adapter

Posted: November 14th, 2009, 7:11am MST by Caleb Kraft

[svofski] has a friend who is a pixel artist. They really wanted to try out their skills on a c64, but were missing a mouse. The original mouse for the c64 was not only serial, but used a different method of communication than more modern mice. [svofski] built this adapter to translate the ps/2 data [...]

DIYLILCNC: do-it-yourself CNC mill

Posted: November 13th, 2009, 6:03pm MST by Phil Burgess

The DIY LIL CNC project is the newest member of the homebrew fabrication scene. This is a three-axis CNC mill that can be built by anyone with basic shop skills and about $700 in their pocket. Many of the materials can be acquired from the likes of Home Depot: the basic framework is assembled from Masonite, while [...]

Duino tag

Posted: November 13th, 2009, 5:02pm MST by Jakob Griffith

During our daily rounds we stumbled upon Duino Tag. Sure it’s not as awesome as a coil gun but it really sparked our imagination. First the base: an Arduino is wired up with IR LEDs and placed inside of a plastic pistol. A second Arduino with an IR receiver is scanning for the first Arduinos [...]

Auto-drummer

Posted: November 13th, 2009, 2:15pm MST by Mike Szczys

Mix a cup of mechanical engineering with a dash of drum set and you end up with Steve, the robotic drummer. We know that it uses an MSA-T Midi Decoder but that’s about the extent of what has been shared. Just from observing the video, we think Steve’s got a few things going for him [...]

Hackaday Links: Friday the 13th, 2009

Posted: November 13th, 2009, 1:01pm MST by Caleb Kraft

This wort cooler looks beautiful. No, it’s not for removing warts, it’s part of the brewing process for the nectar of the gods. Even if it wasn’t meant to create alcohol, we would be drawn in by those pretty copper curves. We’re not surprised at all to see this remote-controlled bowling ball. We’ve seen remote-controlled spheres [...]

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Instruments as games – games as instruments

Posted: November 13th, 2009, 11:00am MST by Mike Szczys

Here’s a pair of diametrically opposed hacks. One makes use of a real instrument to play Rock Band, the other makes use of a game controller to play real music. [Tim] lets us know that his friend figured out how to play Rock Band 2 on expert level by playing flute instead of singing. Of course [...]

Thingamawha? Thingamagoop2!

Posted: November 12th, 2009, 3:31pm MST by Jakob Griffith

Introducing the Thingamagoop2! Remember that awkward looking box with two LEDacles sticking out and a bunch of strange buttons and knobs that with some circuit bending synthesized different sounds that kept your neighbor up for hours on end? Well now its back! Smaller and one less LEDacle, but jam-packed with more features – like our [...]

Raid the dollar store for an illuminated umbrella

Posted: November 12th, 2009, 12:27pm MST by Mike Szczys

Here’s a quick and easy illuminated umbrella that [Mikeasaurus] built. How’s this for economical? He found an umbrella that someone left on the bus, and used an LED flashlight and clear poncho from the dollar store for the rest of the parts. The scavenged LED circuit board is the perfect diameter to fit inside the handle [...]

Robot interface lets fingers do the walking

Posted: November 12th, 2009, 11:00am MST by Mike Szczys

We’re filing this one under “best interface implementation”. This robot is controlled by finger gestures on the surface of an iPod Touch. It can walk forward, turn, sidestep, jump, and kick a ball based on the input it receives from your sweaty digits. Unlike vehicles controlled by an iPhone (or by Power Wheels), this has [...]

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Set phasers to “blind”

Posted: November 12th, 2009, 10:00am MST by Mike Szczys

[Directive0] added a 200mW laser to his Enterprise Phase Pistol toy. This joins the ranks of hand-held laser hacks that we’ve seen around here lately. His build makes use of the stun and kill settings of the toy to switch between different modes. The built-in 9 volt battery holder is tapped into for power. When [...]

Too much time, not enough pressure

Posted: November 12th, 2009, 9:00am MST by Mike Szczys

[Audin] got a hold of a pressure gauge and decided to turn it into a clock. We were under the impression that these types of gauges were filled with oil but he didn’t detail cleaning it up for his purposes. Once he gained access to the guts he replaced them with a stepper motor. The [...]

Linear optical encoder

Posted: November 12th, 2009, 7:30am MST by Jakob Griffith

Optical encoders are nothing new; they can be found in everything from mice to printers. They’re great for allowing DC motors to know their exact position and even current direction. If this is sounding like old hat, it’s because we’ve shown you rotational versions before. [Chris] uses the same concept, but produced a linear optical encoder [...]

Biking through Google street view

Posted: November 11th, 2009, 2:18pm MST by Caleb Kraft

[Aki] wanted to do some stationary cycling to get in shape. Unfortunately, his stationary cycle is located in his garage which doesn’t supply much inspiration or amusement. His solution was to build a VR rig so that he could ride around inside google street view. He has rigged a simple sensor to his wheel to [...]

Single-wing flight based on maple seed aerodynamics

Posted: November 11th, 2009, 11:00am MST by Mike Szczys

The Samara Micro-Air-Vehicle is a product of over three years of work at the University of Maryland’s Aerospace Engineering Autonomous Vehicle Laboratory. The Samara is an applicant in the DARPA nano air vehicle program. Unlike the ornithopter we saw in July, this vehicle uses only one wing for flight. A small propeller on a rod [...]

Battery capacity tester

Posted: November 11th, 2009, 10:00am MST by Mike Szczys

[Moris_zen] built a device to accurately measure the capacity of batteries. He needed to have an accurate measurement for the batteries he uses in a RC airplane. Knowing the discharge time allows him to fly the friendly skies while avoiding crashes from lost communications. He based the tester around the Arduino platform. Instead of using a [...]

EyeWriter is the fruit of the KanEye project

Posted: November 11th, 2009, 9:00am MST by Mike Szczys

The EyeWriter is an open source eye tracking initiative. This is the mature version of the KanEye project we covered in April. Collaboratively developed by Free Art and Technology (FAT), OpenFrameworks, and the Graffiti Research Lab, they seek to aid a friend of theirs who suffers from the degenerative muscle disease ALS. They’ve come a long [...]

Farewell microblog

Posted: November 11th, 2009, 7:47am MST by Caleb Kraft

[Nico]’s microblog has been a regular source of inspiration since we were introduced to it last year. Aside from posting various technical thoughts and reviews, [Nico] won our hearts over by going through the trouble to strip chips and photograph them for our pleasure. Browse through his archive and download what you want, because he’s shutting [...]

Remotely control your crappy car (dangerously)

Posted: November 10th, 2009, 11:00am MST by Mike Szczys

Here’s one that brings back that giddy feeling we got when the original episodes of thebroken were posted all those years ago. The lunatics over at Waterloo Labs have altered a beat-up Oldsmobile for remote control via laptop, iPhone, and…. wait for it… Power Wheels. Brake and gas pedals are actuated using a wrench connected to [...]

Homopolar motor

Posted: November 10th, 2009, 10:00am MST by Mike Szczys

Slow day at the office? Here’s a trick that’ll make your coworkers smile. Dangerously Fun has a guide to build a homopolar motor from a battery, copper wire, and magnet. A homopolor motor doesn’t rely on electromagnets in an armature changing their polarity to force a rotation movement compared to stationary magnets. Instead, they use [...]

PCB light box in a scanner shell

Posted: November 10th, 2009, 9:00am MST by Mike Szczys

[Kizo] repurposed a flatbed scanner to use as an exposure box for making printed circuit boards. Exposure time is controlled by an AVR ATtiny2313 microcontroller. The device is connected to a separate display board to control four 7-segment displays using one shift register for each. Time is set in ten second increments and once started, [...]

Voice controlled LED sign

Posted: November 10th, 2009, 7:00am MST by Jakob Griffith

120 LEDs and NerdKit, check. Python and appropriate Google Voice module, check. Blend on high for 2 minutes, bake for an hour at 400 degrees Fahrenheit. Your soufflé is done, whoops, we mean your voice controlled LED sign is done. Leave a voicemail on Davis’ Google Voice account that starts with “message” and it will [...]

Roombas with UAV Brains Play Pac-Man

Posted: November 10th, 2009, 6:53am MST by Devlin Thyne

[Jack], [Cory], and [Maciej] are playing Pac-Man with Roombas on a lab floor. The Roombas are outfitted with ALIX3d2 single board computers running Gentoo and a software suite developed for UAVs at the University of Colorado at Boulder’s Research and Engineering Center for Unmanned Vehicles. The hardware and software sections are quite in-depth and make [...]

DIY circuit etching video tutorial

Posted: November 9th, 2009, 4:00pm MST by Phil Burgess

Circuit-bending blog GetLoFi has posted the best tutorial yet on home-made printed circuit boards using the toner transfer method. We’ve covered homebrew PCB fabrication techniques about a billion times before. What sets this tutorial apart is that it collects many bits of knowledge otherwise scattered all about the web, and then depicts the entire process on video, [...]

Roundup: simple hacks

Posted: November 9th, 2009, 3:00pm MST by Mike Szczys

Here’s a collection of simple hacks you can do in between larger projects. After the break we’ll look at converting an iPod from hard drive storage to Compact Flash, build an LED desk lamp using LEGO and USB power for charging, and use an Arduino shield to add network control at the touch of a [...]

Coaster Controlled HTPC

Posted: November 9th, 2009, 2:00pm MST by James Munns

These days, HTPCs are becoming more and more common, however controlling the content elegantly can be a painfully annoying problem. Roteno Labs have come up with a wonderful solution they call the RFiDJ. Similar to the RFID phone we covered earlier, they used a set of picture frame coasters and mounted descriptive pictures as well [...]

Color correction patch for PS3 eye

Posted: November 9th, 2009, 1:00pm MST by Mike Szczys

[Max] was happy to see that the PlayStation 3 Eye has support in the newer Linux kernels. Having sat in his closet for quite some time, this would give the camera another chance at usefulness. Unfortunately, the driver doesn’t include framerate selection and color correction so he set about writing a patch to control the [...]

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Careless with your Jailbreak? You’ll get Rickrolled

Posted: November 9th, 2009, 11:18am MST by Mike Szczys

Here’s further proof that you should understand what it is you’re doing when you go to hack your handheld. Jailbreaking an iPhone has been made quite easy to the point that a lot of folks do it without reading any of the accompanying documentation. Those who didn’t heed the warning to change the default SSH [...]

AWE: a robotic wall

Posted: November 9th, 2009, 9:21am MST by Caleb Kraft

AWE is an interesting project, where your office wall is a helpful robot. That’s the goal anyway. The wall is articulated and can reconfigure its shape to fit your needs. You can see in their video that they have come up with several specific uses for AWE at different positions. We want to like AWE, [...]

Bike brake light senses you slowing down

Posted: November 9th, 2009, 7:49am MST by Mike Szczys

Group riding can be a bit dangerous if the pace is fast and riders don’t notice a slowing in the front of the pack. [WyoJustin] designed a brake light system for cyclists to try and remedy this issue. LEDs are mounted in the end caps of the handlebars on a road bike. When an accelerometer [...]

Gamecube to go

Posted: November 8th, 2009, 11:53am MST by Mike Szczys

[Hailrazer] built a handheld GameCube so he could take his gaming with him. The final product is quite nice, providing a large display and about 3 hours of play time on the lithium polymer batteries. Starting with the case from a Kidz Delight Datamax game, he used Bondo ABS cement and plastic bumper filler to alter [...]

Centipede shield design contest

Posted: November 8th, 2009, 9:00am MST by James Munns

Our friend [Garrett Mace] from macetech has finished a prototype of a new shield which allows the Arduino (or any other microcontroller with I2C) to add 64 digital I/O pins using only 2 of the analog pins. Currently he only has a few pre-production boards, and rather than selling them he is throwing a contest to win [...]

MindFlex teardown

Posted: November 7th, 2009, 2:30pm MST by Nick Caiello

Maybe we’re just imagining things, but it seems to us like brainwave control is the latest trend in toys. Similar to Uncle Milton’s Force Trainer, Mattel has recently released the MindFlex, a game that involves moving a plastic ball up and down through an obstacle course that you control using your brainwaves. Naturally when [Alpha] [...]

Urban Defender: location aware game

Posted: November 7th, 2009, 1:00pm MST by Jakob Griffith

What do gangs, territories, cities, and glowing blue balls have in common? No, not that one drunken night you can’t seem to remember, rather a new location aware game called Urban Defender. The concept behind the game is simple. A player hold a ball that knows its current location and can notify you if needed via [...]

Servoelectric guitar is a keytar with strings

Posted: November 6th, 2009, 4:09pm MST by Mike Szczys

[Keith Baxter] has undertaken something of a ‘Mount Everest’ of guitar modifications. He’s developing a Servoelectric guitar that trades frets for a keypad. It is still a guitar in the sense that it has a body, strings, and pickups to sense the strings vibrations and pass them to an amplifier. The left hand, which traditionally [...]

Physical email notification

Posted: November 6th, 2009, 3:00pm MST by Jakob Griffith

One day computers will exist in every part of our lives. You’ll be standing in the shower, lathering up when Chantal, your holographic computer controlled AI partner, informs you in a cool voice you have a new email. How splendid, it must be the office letting you know there is no work today! “Anything else?” [...]

Cold cathode art piece controller

Posted: November 6th, 2009, 2:00pm MST by Mike Szczys

[Andrew] built a light box for an exhibition last year that displayed different colors statically. After showing it off, it went unchanged but future improvements remained in the back of his mind. Recently, he pulled it out again and hacked together a controller to drive the colors individually. He’s actually reusing some of the hardware he [...]

Didgeridoo modded to include electronic manipulation

Posted: November 6th, 2009, 11:58am MST by Mike Szczys

It’s not a bazooka, but this altered instrument makes it look like the player is toking off of some type of weapon. [Kyle] wanted to take the already mysterious sounds produced by a didgeridoo then capture and alter them electronically. The physical build of this project is nothing short of beautiful. He’s mounted several curved control [...]

Servo database

Posted: November 6th, 2009, 7:49am MST by Caleb Kraft

Starting a new robotics project and want to find the perfect servo for the job? It can be a real pain in butt sometimes. This is where ServoDatabase.com comes in. They’re compiling specifications and reviews on servos. We love seeing these databases pop up. Remember the online chip reference? You simply can not have too [...]

UDK: Make the next Gears of War

Posted: November 5th, 2009, 3:49pm MST by Jakob Griffith

Ever sat down from a long day of hacking and thought to yourself “I wish there was a cool video game out there made just for me. Better yet, made by me!” Today is your lucky day with the release of UDK – Unreal Development Kit. In days of old, the only solution to satisfying your [...]

Welcome back, HackaDay links

Posted: November 5th, 2009, 2:20pm MST by Caleb Kraft

While browsing the web for new and interesting hacks to show you guys, we run across all kinds of interesting stuff. Often, we would love to share them with you, and get your thoughts, but they just simply don’t have enough information or aren’t hacks at all. This is where HackaDay Links come in. Occasionally we’ll gather [...]

Electronic Jewelry

Posted: November 5th, 2009, 12:16pm MST by Caleb Kraft

[Ellindsey000] posted this neat little pendant to his flickr stream. We like the way it looks, and the fact that it is a functional circuit. The schematic is even pretty neat. We would maybe wear this, as a belt buckle or something. When we looked at this though, we thought it looked really familiar. Yeah, [...]

Laser etching fruit

Posted: November 5th, 2009, 11:00am MST by Caleb Kraft

Ever annoyed by those pesky stickers on your fruit? They never seem to pull off in one piece and they always leave a little glue behind. Well, the industry might be moving away from them in favor of laser etching each piece of fruit. They are using a low energy carbon dioxide laser to etch [...]

Automated coffee bean roaster

Posted: November 5th, 2009, 8:05am MST by Caleb Kraft

We’ve featured several different ways to roast coffee beans over the years. This is the next logical step. [Nightlife31] shows us how to use an Arduino and a popcorn popper to create a fully automated coffee bean roaster. You’ll have to modify your popcorn machine to be controllable. This means installing your temp sensor and [...]

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Mac Mini – getting a little more useful

Posted: November 4th, 2009, 5:00pm MST by Jakob Griffith

We’re pretty sure Apple decided to implement an IR sensor in their Mac Mini line simply to mock the user. For those who are unaware, the built in sensor only works with the standard Apple Remote; unless you happen to have a programmable PDA or similar you’re SOL. An alternative solution would be to install [...]

Hack a Day; into the future

Posted: November 4th, 2009, 2:00pm MST by Caleb Kraft

Through the years, our reader base has grown like we never could have imagined. We thank everyone for reading, and owe our gratitude to all who have sent in submissions. We live for them. The more high quality submissions you send in, the more we’ll post. Along with you, we’ve taken part in some [...]

25 Scariest experiments

Posted: November 4th, 2009, 11:26am MST by Caleb Kraft

Warning: This video contains actual footage of a severed dog head, kept alive. Watch at your own peril. [Annalee] over at io9.com has gathered together the 25 scariest science experiments. There are some truly frightening pieces, like the cyborg beetles which we’ve seen before, all the way to silly stuff like the guy who re grew his thumb using [...]

Stereoscopic 3d with a PIC micro

Posted: November 4th, 2009, 9:00am MST by Caleb Kraft

[Pyrofer] sent in his stereoscopic game project and we are just giddy with excitement. He has hacked apart an old TomyTronic 3D handheld viewer and put new guts in. He’s using a PIC micro to push stereoscopic imagery to twin LCDs. He wrote all code from scratch including the 3d library, wii nunchuck driver, and [...]

Knock detecting lock

Posted: November 4th, 2009, 8:00am MST by Caleb Kraft

[Steve] shows us his version of the knock detecting lock system. The idea is pretty simple, knock in a certain pattern and the door unlocks. We’ve seen it before several times. This solution is somewhat cleaner than the others, not only in physical design, but also in how you reprogram it. Simply push the reprogram [...]

Hacky Thanksgiving

Posted: November 4th, 2009, 6:55am MST by Mike Szczys

Friends, pilgrims, send us your hacks. Most especially, your Thanksgiving hacks. We had a wonderful time over the past six weeks collecting and highlighting your Halloween props and now it’s on to the next holiday. Did you build your own deep fried turkey rig with some special features? How about that pie making robot you [...]

Apple Remote Arduino shield

Posted: November 3rd, 2009, 4:13pm MST by Mike Szczys

[Computergeek] made an Arduino Shield in order to use it as an Apple remote. We like the construction technique that he used; taking perf-board and soldering the circuit and using stripped wire to interface with the pin sockets on the Arduino. He’s written the code needed to function as an Apple Remote but this shield [...]

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SSD upgrade for 24″ iMac

Posted: November 3rd, 2009, 1:27pm MST by Mike Szczys

The hard drive in [Jason's] 24″ iMac was on the blink. He decided that instead of just swapping out the bad drive for a traditional unit he would upgrade to a solid state drive. Tearing apart high-end hardware like this can be a bit nerve-racking but luckily the drive is mounted right behind the screen [...]

8-bit device quenches iPhone envy

Posted: November 3rd, 2009, 1:22pm MST by Mike Szczys

[Peter] deserves an award for doing more with less. He’s built a handheld device based on an AVR controller that has features normally associated with much more powerful devices. Here’s what it doesn’t do: no phone calls, no text messages, no accelerometer, and best of all no app approval needed. What it does do is [...]

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Woz’s watch makes air travelers nervous

Posted: November 3rd, 2009, 11:20am MST by Mike Szczys

[Steve Wozniak], Last of the freelance hackers and Greatest swordfighter in the world, lives a hacker life you couldn’t even dream about. The folks over at medGadget ran into him and learned about his watch. In their interview (embedded after the break) [Steve] shows off the Nixie tube wristwatch that we can only assume he [...]

Improved arm mounted flame thrower

Posted: November 3rd, 2009, 10:00am MST by Mike Szczys

[Everett] is at it again with Prometheus, an arm mounted flame thrower.This is the third generation of the project and makes some huge advances over the second generation we saw last year. We’d say he’s reached cinema/stage-performance quality with his design. The self-contained system is completely arm mounted with a fuel reservoir mounting behind the elbow. [...]

Server not as think as you drunk it is

Posted: November 3rd, 2009, 9:00am MST by Mike Szczys

[Janos] pulled off a unique case mod by fitting a computer system inside of a whiskey bottle. Inside you’ll find a 733MHz processor, 256MB of ram, a 40GB hard drive, and a 60 watt power supply. The specs seem a little light but since this mod is from 2006 we certainly understand. Using the right [...]

PUSH competition winners

Posted: November 3rd, 2009, 8:13am MST by Jakob Griffith

Nokia team PUSH is proud to announce they have winners from the contest they held over the past two months. You may remember when we first told you about the competition, but here’s a recap. All you had to do was think of a good hack for the Nokia N900! Winners will receive funding and [...]

Augmented Xylophone

Posted: November 2nd, 2009, 1:00pm MST by Mike Szczys

[Ania's] been working on extending a xylophone in a project called Multixylophoniomnibus. She’s fitted a piezo sensor on the bottom of each xylophone key, interfacing it with an Arduino. When a mallet hits a key the corresponding box augments the sound in one of several ways. It looks like she’s prototyped a box that twangs [...]

ArduiNIX: Nixie shield for Arduino

Posted: November 2nd, 2009, 12:00pm MST by Mike Szczys

Flock of Butterflies has just published their third post in a series about the ArduiNIX, an Arduino shield that drives Nixie tubes.We’ve featured Nixie tube projects such as a single tube clock, free-formed Nixie circuits, and tubes in a bottle. Now the hurdle of handling high voltage tubes while protecting low voltage logic circuitry has [...]

Computer learns from tic-tac-toe

Posted: November 2nd, 2009, 10:58am MST by Mike Szczys

MENACE, the Matchbox Educable Noughts And Crosses Engine, is a fancy name for a machine that plays Tic-Tac-Toe. The concept is a product of Professor [Donald Mitchie]’s work in the 1960’s and was featured as an example in the “A New THEORY of AWESOMENESS and MIRACLES” talk given at this year’s UK games conference. [James Bridle] [...]

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Ping-pong launcher your wife can’t know about

Posted: November 2nd, 2009, 10:00am MST by Mike Szczys

Sometime the projects you see at the local hacker space are better left a secret when you return home for the evening. Case in point, this ping-pong ball launcher that can put holes in a sheet of OSB. The projectile is made more lethal because the ball has been injected with water to dramatically increase [...]

Medium format camera, from scratch

Posted: November 2nd, 2009, 8:07am MST by Caleb Kraft

[Peter Johansson] has taken it upon himself to build a medium format camera, from scratch. We know this is a shock to some of you, but this camera uses traditional medium. There is no sensor. He will be loading it with (gasps) film. He bought the lenses pre made, but everything else is being constructed by [...]

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We’ll take the fries.

Posted: November 1st, 2009, 2:50pm MST by Jakob Griffith

We’ve all been there; hardest decision we’ve ever had to make. College and debt or freedom but no career? Start a family or live out alone? The number 2 with a small shake or side of fries?! [Leon] sent in his random number generator, oddly enough not to just generate a number, but help us through [...]

Easy dial telephone

Posted: November 1st, 2009, 11:20am MST by Mike Szczys

[Taufeeq's] Grandmother needed to be able to call her family members but due to ailing eyesight and memory this was a difficult task. He decided to help her with this by building a telephone that will auto-dial a number at the push of a button. [Taufeeq] built a case to hang on the wall which [...]

Android ported to Meizu M8

Posted: November 1st, 2009, 8:47am MST by Mike Szczys

[Evow04] has been working hard to run Android on a Meizu M8 smartphone and we’re beginning to enjoy the fruits of his labor. The Meizu M8 is a Chinese cell phone very similar in appearance and hardware to the iPhone. The factory firmware runs Windows CE 6 but there is no official support for Android. [...]

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Happy birthday Internet, here’s $40,000

Posted: November 1st, 2009, 7:09am MST by Jakob Griffith

Darpa has another contest coming up. You may remember some past Darpa competitions, like the 2007 Urban Challenge. Where hackers, engineers, and scientists alike came together to build autonomous vehicles. The game this year is to celebrate the 40th anniversary of the Internet. The rules are simple enough, find a bunch of red balloons and mark [...]

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