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Archive: Computers
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January 25, 2006
Fixing a dying power supply...
Sid on the Hacks site writes up a good simple how to/tip - "My LCD display wouldn't come on, it would just flicker. The LED on its external power supply was steady on when it wasn't plugged into the monitor. When I did plug it in, the LED blinked at the rate of 2x per second. Measuring the power coming out of this supply using my multimeter, I saw that the power level wasn't steady -- it was pulsing slightly (about 2x per second). This was while unplugged from the monitor. Found a new power supply on eBay, and now everything's fine." Link. On a related note, the RSS feed on hacks site is awesome.
Posted by Phillip Torrone |
Jan 25, 2006 02:03 PM
Computers, DIY Projects |
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| Comments (5)
Phoning It In From ETel - Radio Handi Makes Its Debut
Brian McConnell on the Etel blog writes "Radio Handi enables people to create voice communities around any subject, place of interest or peer group, and to telecast live audio from MP3 feeds or conference phones. You can create a message board and party line for your club, for people who share an interest, or for your friends. With it, you can create an open party line that people can dial into from all over the world (30+ countries and 1 VoIP network to start with, much more to come). It's also a great platform for ad hoc broadcasting. Just hook a microphone up to a Mac running Gizmo, and you can beam a live audio feed into a conference room that people can then dial into from all over the world (watch for a series of how-tos on ad hoc telecasting and other topics later this week)." [via] Link.
Posted by Phillip Torrone |
Jan 25, 2006 01:41 PM
Computers, DIY Projects, Telecommunications, VoIP |
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DIY Cellphone door opener
Zerocool60544 in the AutoIT forums writes about a PC control project using a browser or cell phone "I use lego mindstorms' motors, they don't a lot of torque but I geared them down to be a little slower but stronger. The water bottles are the counter weights so their is always tension on the line. There are two motors on either side. (one near the closed position and one near the open position)." [via] Link.
Posted by Phillip Torrone |
Jan 25, 2006 12:25 PM
Cellphones, Computers, DIY Projects, Telecommunications |
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| Comments (2)
Program on a PDP
Via Digg - Paul Allen has donated his collection of ancient DEC computers to this site. Program like its 1972! "PDPplanet.com offers users something unique--the ability to telnet to a DECsystem-10 or an XKL Toad-1, log in to a personal account, create or upload programs, and run them. We encourage enthusiasts at all levels of experience, beginners and old hands alike, to apply for accounts on the 2065 (running Tops-10 v7.04) and the Toad-1 (running Tops-20 v7.1) and to visit the PDP Planet Forums to share ideas and ask questions." Link.
Posted by Phillip Torrone |
Jan 25, 2006 06:11 AM
Computers, Electronics |
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| Comments (1)
Automate Windows, with Macromaker...
I'm using lots of macros with my DIY VR set up, I'm going to try this tool out "MacroMaker allows you to create macros or recordings to automate most anything that you already do by hand. MacroMaker was written more for the use of people who regularly use computers and programmers rather than the casual PC user. Most anything you know how to do by hand can be translated into a macro or recording in MacroMaker. If you are having to perform repetitive tasks, this program will help you out tremendiously." [via] Link.
Posted by Phillip Torrone |
Jan 25, 2006 04:28 AM
Computers, Virtual Worlds |
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| Comments (1)
January 24, 2006
HOW TO - Make a glowing keyboard
Chris writes - "This is my (our) first modification. We got the inspiration from Arkku on flickr. We did ours a bit differently, he used 1 LED, we used 2. The process is the same for each. Since there are only 5 volts to work with, both versions require the circuit to be built in parallel. I just have one more parallel circuit in my mod. There are two options for this mod. One involves removing the circuit board, the other leaves it in and splices the connecting wire. The choice is yours." Link.
Posted by Phillip Torrone |
Jan 24, 2006 05:14 PM
Computers, DIY Projects, Electronics |
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| Comments (8)
A PC solderless power supply for experimenters
David writes "This is a PC Case mod that installs four binding posts that are linked to the PC's power supply into an empty drive bay so that you can use it as a bench 5V or 12V power supply........especially useful if you're messing around with PIC programming, etc." This is an excellent mod, this could make a great accessory for Maker types too if it were to go in production (or just make one with this how to). Link.
Posted by Phillip Torrone |
Jan 24, 2006 03:21 PM
Computers, DIY Projects, Electronics |
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| Comments (3)
Make a mini wireless antenna for laptops...
wireless.gumph.org has a how to on making a small WiFi antenna - "A small antenna to boost the signal of a laptop wireless card, that can be stuck to the back of the laptop screen. The design is the same as for the larger homemade antenna, but uses thin RG58 cable and is only 2 sectors long. The size was chosen so it could be housed inside the tube of an old pen, to provide rigidity and protection to the antenna." Thanks Star! Link.
Posted by Phillip Torrone |
Jan 24, 2006 01:30 PM
Computers, DIY Projects, Electronics, Wireless |
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| Comments (0)
Turn virtual 3D objects into real world objects
Here it is...3D-printing a SecondLife / WoW character, and mashup into Google Earth! "OGLE (i.e. OpenGLExtractor) is a software package by Eyebeam R&D that allows for the capture and re-use of 3D geometry data from 3D graphics applications running on Microsoft Windows. It works by observing the data flowing between 3D applications and the system's OpenGL library, and recording that data in a standard 3D file format. In other words, a 'screen grab' or 'view source' operation for 3D data." [via] Link.
Posted by Phillip Torrone |
Jan 24, 2006 08:20 AM
Computers, Crafts, DIY Projects, Virtual Worlds |
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January 23, 2006
HOW TO - Undervolt a laptop
Fredrik writes - "There are lots of CPUs on the market that can be run at a lower voltage than what they are specified to. Especially the kind of low power consuming CPUs found in laptops. You'll be surprised when you see the results of undervolting your CPU. In this article we will look further on how you can undervolt the CPU of a modern laptop without loosing performance or stability. Our test-system is an Acer Aspire 5021WLMi which appear to be a good computer to undervolt." [via] Link.
Posted by Phillip Torrone |
Jan 23, 2006 03:41 PM
Computers, DIY Projects, Electronics, Mobile |
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| Comments (0)
3D PDFS...
This looks handy for collaborative CAD work, but a little pricey at $995 - "Adobe's Acrobat 3D software lets people view three-dimensional objects with the Acrobat reader, append notes to the images and send them to colleagues. Typically, design engineers today create a two-dimensional image and send them via e-mail, Bhalla said. Having an embedded 3D image, which people can rotate to view and append with notes, will speed up the design collaboration process and reduce errors..." Link.
Posted by Phillip Torrone |
Jan 23, 2006 10:06 AM
Computers, DIY Projects |
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| Comments (2)
January 21, 2006
The MAME panel
Daniel made an amazing case mod / MAME cabinet for playing old games, I really like his design. He writes "This is may take on a MAME cabinet. I didn't have the space for a full-blown cabinet but still wanted the joysticks and buttons so I made this panel. It connects to the tv and is perfect to play from the couch." Link.
Posted by Phillip Torrone |
Jan 21, 2006 09:12 AM
Computers, DIY Projects, Electronics, Retro |
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| Comments (1)
January 20, 2006
Make a BigBrother Traffic Light
Green is good! - "Network Operations Centers and Help Desks all over monitor their systems and networks with a somewhat open source product called Big Brother. Here's how to add a traffic light to indicate network status. Big Brother provides a web interface that shows the status of the network, and systems. The web interface allows you to drill down and see the status of any device monitored. It does all this in a very simple and elegant way, by providing color indications, red, yellow, and green to tell you how things are going. Well all of this really can put the idea of traffic lights into your head if you like to "repurpose" consumer electronics like I do. So lets get to task and use our desktop computer, running Java to monitor a BigBrother web page and change a faux traffic light to match the color-status of our network." Thanks Victor! Link.
Posted by Phillip Torrone |
Jan 20, 2006 04:23 PM
Computers, DIY Projects, Electronics, Online |
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| Comments (1)
HOW TO - Build your own Robot friend...
A clever maker out there made his own robot pal - "My dream of a home-built robot was smolding since the early 80ies. The floor of the young boy's room was covered with "fischertechnik" parts, and a robot which clears the mess seemed feasible... Well, it took some years until the project actually started. And this not only due to my personal capabilities as a mechanical engineer, but also in the environment of today's technologies: Webcams, WLAN, and last but not least powerful yet power-saving PC-Mainboards." Here's how he made his robot! [via via] Link.
Posted by Phillip Torrone |
Jan 20, 2006 03:06 PM
Computers, DIY Projects, Electronics, Robotics |
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| Comments (0)
Harry Porter's Relay Computer...(photos)
Check out this amazing relay computer "Features of the Arithmetic Logic Unit: Two 8-bit inputs (from B and C registers) 8-bit result (onto data bus) 3-bit function code input Functions: Add, Increment, And, Or, Xor, Not, Shift-left, Nop Carry output (from Add, Increment) Zero-detect output Features of the Register Unit: 8 Registers (8-bits each) Register Names: A, B, C, D, M1, M2, X, and Y Data Bus (8 LEDs and 8 Switches) Features of the Program Control Unit: Program Counter (16 bits) Instruction Register (8 bits) Jump Target Register (16 bits) Increment Unit (16 bits) Increment Register (16 bits) Address Bus (16 LEDs and 16 Switches)..." Link.
Posted by Phillip Torrone |
Jan 20, 2006 11:01 AM
Computers, Retro |
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| Comments (0)
Hackable Windows PC / Synth / Entertainment Center
Peter writes "Korg has kept its OASYS Linux PC - synth hybrid closed, but not Open Labs. Their Windows-based synthesizer keyboard slash DJ/VJ workstation slash home entertainment center (with remote control) has an open hard drive bay, four PCI slots, and hinged access to the PC innards, all with a fully-customizable Windows install. Sure, it's preconfigured for music production with a 15" touchscreen and software bundle, but you could go inside the machine and reconfigure it into whatever you wanted. One idea: control games from the music keyboard." Link.
Posted by Phillip Torrone |
Jan 20, 2006 06:31 AM
Computers, Music |
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| Comments (0)
Make your own video streaming server with iTunes 6.02...
Fsteele writes in to confirm you can stream purchased video with the new iTunes - "Thanks for the link; it works just fine with store content. That's actually how I noticed it. I've successfully imported content I captured via EyeTV, as well, but it looks like it only works if it was imported via iTunes 6.02. My wife has a couple of videos she bought with 6.01 that aren't available. What really makes this cool is that there's now a video streaming server inside every copy of iTunes, so it will be interesting to see what people can do with that." Link.
Posted by Phillip Torrone |
Jan 20, 2006 03:29 AM
Computers, Home Entertainment, Music |
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| Comments (1)
January 19, 2006
HOW TO - Make a LCD Cover
Mat_the_w writes "Everybody loves LCD monitors because they are so portable and perfect for LAN parties, but I am always afraid of something falling and damaging the soft screen when I travel with my LCD. After purchasing a nice 19 inch Dell display, I decided I needed something to protect my investment. I cut and molded a piece of acrylic plexiglass to form a cover for my LCD monitor." Here's the how-to on Instructables. Link.
Posted by Phillip Torrone |
Jan 19, 2006 02:30 AM
Computers, DIY Projects |
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| Comments (0)
January 18, 2006
DIY over the web camera control...
Lavere writes "Logitech is selling a great webcam with pan and tilt functions (called "Orbit", about $120). However, they really dropped the ball with the software: you can't pan and tilt the cam via the Internet. Enter LogiSphere. Third party developer Stefan Seiz out of Switzerland has written a great program that is a full-blown web server that will pan and tilt the Orbit through a web interface, deliver web-configurable video streams, write full log files, password-protect access and more. It's a really slick, sweet app. Great for DIY security or your web-accessible robot (screenshots). I used this to keep an eye on my cats while I was on vacation. I could make sure their feeders were working and pan over to seem them sleeping. The cats would perk up when they heard the motors moving the camera and I could see them looking at the camera." Link.
Posted by Phillip Torrone |
Jan 18, 2006 12:00 PM
Computers, DIY Projects, Online |
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| Comments (2)
HOW TO - Create an iTunes Remote
Dave on Engadget has a good how to on making an iTunes remote, he writes - "QM is a supercharged, yet lightweight automation environment which supports multiple input devices. It provides the ability to create custom toolbars, automate repetitive or complex tasks, and cheat at online poker. There's a bit of a learning curve, but numerous canned functions and the ability to record actions help ease you in. QM goes beyond that, though, by offering a COM interface and common scripting support. With that in mind, I created an iTunes remote control using an extra wireless mouse and just a few snippets of code from Apple's SDK." Link.
Posted by Phillip Torrone |
Jan 18, 2006 07:11 AM
Computers, DIY Projects, iPod |
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| Comments (0)
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