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Archive: Computers
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August 30, 2007
iPhone accelerometer hacks
On the Medallia blog, Erling Ellingsen has been monkeying around with the accelerometer on the iPhone, some applications of which he demos in the above video. He writes:
As it turns out, the iPhone has a built-in LIS302DL, a tiny 3-axis accelerometer. While some have attempted to use it from within the Safari browser (the Tilt game detects changes to the width of the browser page; it is basically used as a 1-bit input device), its potential is still somewhat untapped. After a rather lengthy bout of reverse-engineering (I had barely touched ARM assembly before this), I finally figured out how to access the raw data from the accelerometer itself, as can be seen in the video above. Source code is posted here. (update: yes, it is possible to access the accelerometer directly through UIKit without this hack -- however, you'll be locked to the default sample rate, which is too slow for some of the fun stuff)
Fun with the iPhone accelerometer - [via] Link
Posted by Gareth Branwyn |
Aug 30, 2007 02:00 PM
Computers, Electronics, Gadgets, Mobile |
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August 29, 2007
The Stealth Router - HOW TO fit a computer inside an UPS case
Siloraptor writes -
Ever since I've started using Linux I've been obsessed with doing custom routers and trying to cram as much functionality in the less amount of space possible. 'Space' so far being hard drive space, so I set out to build me a new router to substitute the old P5-233 Dell that was working as my firewall. Like pretty much every other hardware project I've done, planning was absent in the process as I prefer to do things McGyver-style and surprise myself.The Stealth Router: How to fit a computer inside an UPS case - Link.
Posted by Phillip Torrone |
Aug 29, 2007 07:00 AM
Computers, DIY Projects |
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August 28, 2007
Remington steampunk keyboard
Inspired by Jake von Slatt and Datamancer's steampunk keyboards, Quentin Regnier, Of Small Wonders... blog, fabricated this crazy input contraption, built from Remington typewriter parts.
The Remington keyboard - Link
Realted:
A treasure-trove of MAKE steampunk coverage - Link
Posted by Gareth Branwyn |
Aug 28, 2007 08:00 PM
Computers, DIY Projects, Retro |
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The most beautiful supercomputer in the world
Josh Simon's over at the Sun blog(s) has a great set of photos from a supercomputer in an chapel!
With my supercomputer-as-art background from Thinking Machines, I'm perhaps pre-disposed to appreciate nicely done computers and computer installations. I was blown away when I saw the photos below of MareNostrum, currently the 9th largest supercomputer in the world and the largest in Europe, which is installed in a former chapel at the Barcelona Supercomputing Center (BSC). Wow.The most beautiful supercomputer in the world - Link.
Posted by Phillip Torrone |
Aug 28, 2007 06:00 AM
Arts, Computers, Made On Earth |
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August 27, 2007
MCUs in about an hour
The wire-nuts over at uC Hobby have posted a how-to on making a programmable hobby microcontroller board in an hour, for around $15. This piece was submitted as part of uC Hobby's "Hobby parts for articles" program. The submitter, James Moxham, scored himself a Bare Bones Arduino Kit.
1-Hour $15 Hobby Microcontroller How-To - Link
Related:
- MAKE microcontrollers articles - Link
Posted by Gareth Branwyn |
Aug 27, 2007 06:00 PM
Computers, DIY Projects, Electronics |
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August 25, 2007
Easy to build desktop CNC machine
Really nice, clean build of a desktop CNC machine using plumbing parts and other readily available materials.
Easy to Build Desk Top 3 Axis CNC Milling Machine - Link
Related:
- HOW TO - Make a 3 axis CNC milling machine - Link
- HOW TO - 3D (3 axis) milling - Link
- 3D LEGO CNC router / milling machine - Link
- Homemade CNC machine (video) - Link
Posted by Gareth Branwyn |
Aug 25, 2007 02:00 PM
Computers, DIY Projects, Electronics, Instructables, Toolbox |
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August 23, 2007
Make a USB power/charger from a wall wart
A user on the Hacked Gadgets Forum posted this simple conversion of a common wall-wart into a USB power supply/device charger. He used the power adapter from an old Iomega drive and a few common components. I've seen several versions of these floating around. Easy to make. Nice to have around.
DIY Wall-Wart USB Power Supply - Link
Posted by Gareth Branwyn |
Aug 23, 2007 08:00 PM
Cellphones, Computers, DIY Projects, Electronics, Gaming, PSP, iPod |
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Personal health monitor demo
Reza Naima, a bioengineering student from University of California, San Diego, has uploaded a video of his thesis project to YouTube. Called the Pervasive Health Monitor, it's a Bluetooth-enabled, TI MSP430-based microcontroller board (1.4" x 1.8") designed to be worn on a person to monitor various vitals. Reza explains:
It's meant to be worn 24/7, and will record a wide variety of biometric data such as your ECG, EMG, GSR, body temperature, body noises, pulse oximetry. It's Bluetooth enabled and stores data on a tiny Transflash memory card.
More details on his website, including a schematic of the device.
Projects ยป HealthMonitor - [via] Link
Posted by Gareth Branwyn |
Aug 23, 2007 02:00 PM
Computers, Electronics, Science |
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August 21, 2007
Motherboard power light
HackedGadgets.com:
Bill from DSE GLOBAL has created a tool called the Case Light that will ensure you don't forget to remove power from your motherboard before you work in the case. Modern motherboards are still live when your computer is shut down and some don't have any LED indication of the lurking power...
Case Light - ATX Power Supply LED Power Indication - Link
Posted by Gareth Branwyn |
Aug 21, 2007 06:00 PM
Computers, DIY Projects, Electronics, Toolbox |
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The K'NEX computer
Wow, these students are trying to build a computer completely out of K'NEX parts, here's a calculator...
The K'NEX calculator stands over 10 feet tall, and can perform 4 bit addition and subtraction operations in about 30 seconds. The slowest part of the operation is the user entering the balls. From there the balls trickle down, computing the result of the operation, and then sending that through a 4 bit decoder, which flips a flag that tells the user the answer. Since it is 4 bit, we can add and subtract numbers from 0 to 15.The K'NEX computer - Link.
Posted by Phillip Torrone |
Aug 21, 2007 11:00 AM
Computers |
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August 17, 2007
More VEXplorer details
Our buds over at Robot Magazine have an online exclusive, with lots of photos, of the forthcoming new VEX Robotics Design System, dubbed the Revell VEXPlorer. As you probably know, the VEX system, first sold by Radio Shack, was sold to Revell Monogram. The Robot mag piece has details about the content, pics of the components, and details of the partnership with SolidWorks, who's developing a Student Design Kit (3D CAD and mechanical design software) to go with the VEX system. And as far as I can tell, all of the previous VEX components are compatible. The VEXPlorer is available for pre-order on Amazon. It'll retail for $199. The Amazon page also has a goofy Ronco-esque Flash commercial that's worth the click-through.
Vexplorer Update! - Link
Related:
- The Vex Robotics Design System - Versatile, powerful design raises the bot in prefab robotics construction kits. Subscribers--read this article now in your digital edition!
Posted by Gareth Branwyn |
Aug 17, 2007 06:00 AM
Computers, Electronics, Robotics, Toys and Games |
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| Comments (0)
August 16, 2007
War on cables
Cheap solution for keeping the cable clutter down @ the computer desk... Link.
Posted by Phillip Torrone |
Aug 16, 2007 01:00 AM
Computers |
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August 14, 2007
Apple ][ Bluetooth
Vinchysky writes -
I have been an Apple ][ lover for over 20 years. I still remeber those great games on Apple ][. Unfortunately, I was very busy working on degree and my full time job until 3 years ago. I bought several old Apple ][s from EBAY, hoping that I could get those old-time memory back. Soon I found that this was not the case since the floppy drive and diskettes were too old to work. So I started thinking of alternatives, floppy is really not very reliable and, hey, we are in giga speed CPU era, there are lots of advancements in microelectronics after Apple ][ came out in late 1970. So I was thinking of using solid state storage to replace floppy. Like other Apple ][ fans, CFFA was discovered on the net. Although it is a great idea and very decent product, but that was not what I wanted. I want a real Disk ][ clone which can run those many disk images (.dsk, .nib) that you can find from the net. Being an electronic designers, I decided to build a solid-state drive/disk controller card myself!!Apple ][ Bluetooth - [via] Link.
Posted by Phillip Torrone |
Aug 14, 2007 06:00 AM
Computers, DIY Projects, Electronics |
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August 10, 2007
Transform an old laptop into a MP3 player
Tony took an old laptop and made it in to a big MP3 player, good reuse. I'm hoping he posts the Windows Media skin he made, looks handy - Link.
Posted by Phillip Torrone |
Aug 10, 2007 12:00 AM
Computers, DIY Projects, Green, Music |
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August 8, 2007
Suns new SPARC GPL'd (open source hardware)...
Jonathan Schwartz from Sun on the new GPL'd SPARC -
We're announcing the fastest microprocessor we've ever shipped this week - delivering 89.6 Ghz of parallel computing power on a single chip - running standard Java applications and open source OS's. Simultaneously, we've said we're entering the commodity marketplace, and opening the chip up to our competition. It's probably worth explaining....Sun Enters the Commodity Silicon Business - Link....the blueprints for our UltraSPARC T2 (I personally like the moniker, "Niagara 2" - named after Niagara Falls, btw, and the great volumes of water that pass over them), the core design files and test suites, will be available to the open source community, via its most popular license: the GPL. Making Niagara 2 the only commodity silicon whose core designs are available to the open source community - whose strength, and market power, only grows by the day.
Related:
Sun Microsystems Enters Commercial Silicon Market With World's Fastest Commodity Microprocessor - Link.
This isn't our usual coverage of open source hardware projects like MP3 players, USB chargers or something you can build with a kit (yet) - but check out our ongoing coverage of all things open source hardware here - Link.
Posted by Phillip Torrone |
Aug 8, 2007 08:00 AM
Computers, Open source hardware |
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| Comments (1)
August 7, 2007
Computer use timeline
I really like this chart Todd made of his last 25 years of computing - Link.
Posted by Phillip Torrone |
Aug 7, 2007 12:00 PM
Computers, Retro |
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| Comments (1)
August 1, 2007
Visualization of email as microbes
Here's a fun visualization of email as microbes by Carolin Horn -
Anymails is a visualization of my received emails. I have investigated how I can use natural metaphors to visualize my inbox, its structure and attributes. The metaphor of microbes is used. My objective is to offer the user another experience of his email world.Anymails - [via] Link.The project was developed during the MFA thesis "Natural Metaphor For Information Visuzalization" (thesis.zip, PDF, 7mb) at the Dynamic Media Intitute Boston in 2007.
The emails used in the prototype are read from the users local Apple Mail database. The prototype was built with Flash and Processing. The Anymails source code (OS-X 10.4.9 ppc) is available for download.
Posted by Phillip Torrone |
Aug 1, 2007 10:00 PM
Computers, Online |
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sketchyphysics - Sketchup
SketchyPhysics is a plugin for Sketchup - It combines a simple and easy to use interface with the power of a fast and accurate physics library, thanks Noah - Link.
Posted by Phillip Torrone |
Aug 1, 2007 04:00 AM
Computers, DIY Projects, Virtual Worlds |
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| Comments (0)
July 31, 2007
Mr. Baybus
Mr. Baybus is a microcontroller-based fan control system. It is a completely stand-alone unit, with no computer-control whatsoever... Link.
But wait, there's more - meet Mr. BayBus2 - Link.
Posted by Phillip Torrone |
Jul 31, 2007 04:00 AM
Computers, DIY Projects, Electronics |
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July 30, 2007
Making external HDs on the cheap
I've written a review on Street Tech of the Ultra 3.5" hard drive enclosure that TigerDirect is selling for under $20. I knew rolling your own external HD was easy, but it's mindlessly simple, and you can save some money. For instance, TigerDirect sells an 80GB Ultra drive (a WD HD in an Ultra case) for $90. You can buy the same drive for $45 and the case for $20, saving yourself $25 for less than five minutes work. Or you most likely have an HD in an old computer you can yank, re-case, and use as an external backup drive. That's what I'm doing.
Ultra 3.5" Hard Drive Enclosure - Link
Posted by Gareth Branwyn |
Jul 30, 2007 04:00 PM
Computers, DIY Projects, Gadgets, Reviews |
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| Comments (14)
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