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Archive: Electronics
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August 2, 2007
Seoul's electronic and mechanical components markets (photos)
Electromarketman sent in an incredible set of photos from Seoul's electronic and mechanical components markets, he writes -
I was just in Seoul and took these pictures. For everyone who has ever slogged through Home depot trying to find a particular little nut or bolt or bearing, and for everyone who likes to buy electronic components by the gallon, Seoul is heaven. I have included limited instructions on how to get there, in the text of the Flickr set. Unfortunately there are very few good English maps of Seoul.Seoul's electronic and mechanical components markets (photos) - Link.
Posted by Phillip Torrone |
Aug 2, 2007 05:00 AM
DIY Projects, Electronics |
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| Comments (1)
The 8-Bit Lab Rat
8-bit lab rat's educational electronic projects for classic videogaming (Atari, Intellivision, Colecovision, and others) Link.
Posted by Phillip Torrone |
Aug 2, 2007 03:00 AM
DIY Projects, Electronics, Gaming, Retro |
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| Comments (1)
Playaflies (PDF how-to)
Remember the Playaflies? Here's a PDF on how to make your own! - Link.
Posted by Phillip Torrone |
Aug 2, 2007 02:00 AM
Arts, Bicycles, DIY Projects, Electronics |
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August 1, 2007
Dungeons of Doom by Greg Sanders
Julian writes -
Coolest Altoids/Tin mod I've seen. This guy (Greg Sanders) made a portable game box that plays a rogue like game. He uses a Genesis controller to control the actual game, but I'd bet with a little work the entire unit could be entirely self-contained (by using a tipping-disk for directional control and one button for action). See here too (a pretty cool site itself) for useful controller schematics.Dungeons of Doom by Greg Sanders - Link.
Posted by Phillip Torrone |
Aug 1, 2007 02:00 PM
Altoids and tin cases, DIY Projects, Electronics, Gaming |
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Trash Droids - turn a trash can in to a droid!
Here's how to turn a boring Rubbermaid trash can in to a fun trash droid (using an Arduino too!) thanks Scott! - Link.
Posted by Phillip Torrone |
Aug 1, 2007 12:00 PM
DIY Projects, Electronics, Robotics |
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| Comments (1)
Baking soda variable electrolytic capacitor
Nyle shows you how to make a baking soda variable electrolytic capacitor...Link.
Posted by Phillip Torrone |
Aug 1, 2007 09:00 AM
DIY Projects, Electronics, Science |
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Five electronics tools you might not know about
Evil Mad Scientist Laboratories write -
You've got your wire strippers and your soldering iron...now what? You probably know that there is a standard set of essential tools that you need on your electronics workbench... However, real tool junkies always want just the right tool for the job. Here are five electronics tools you may not know you were missing. These esoteric tools go a bit beyond the basics that everyone should have.Five electronics tools you might not know about - Link.
Oops, Gareth already posted this - but ya know what? It's still good, even the second time.
Posted by Phillip Torrone |
Aug 1, 2007 07:00 AM
Electronics, Toolbox |
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| Comments (2)
HOW TO - Make a DIY PS2 Guitar Hero controller
Teebee918 writes -
So this is my second instructable, thanx for clicking on it! It is not fully true what the title claims, you do need some materials of course (in fact a lot), I just wanted to emphasize that I had no guitar or anything at the beginning, so it's not a "how to make a big guitar from a small original Red Octane one just by placing the circuit board from the GH controller to a real guitar" type of instructable. Well, maybe it would look much cooler, but I didn't want to sacrifice a real guitar. So I made the body of the guitar and everything from the proper materials and I took the circuit board from a PS1 joy pad. Some wiring and a lot of work and it's done. I'm satisfied with it and I hope you like it too.HOW TO - Make a DIY PS2 Guitar Hero controller - Link.
Related:
Guitar Hero + Commodore 64 - Link.
HOW TO - Build your own custom full-sized wireless ... - Link.
Guitar Heronoid - Android plays Guitar Hero - Link.
Wireless Guitar hero PS2 controller mod... - Link.
Left handed Guitar hero mod & more mods! - Link.
Guitar hero sample sequencer - Link.
Frets On Fire - free Guitar Hero-like game your play ... - Link.
Posted by Phillip Torrone |
Aug 1, 2007 02:00 AM
DIY Projects, Electronics, Gaming |
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Relay computer two
Jon writes -
Why on earth build a relay computer when there are already computers over a hundred thousand times faster? Well, for two reasons: to prove that silicon is not magic and because I want to.Relay Computer Two - Link.The simple relay adder was built using free NOS relays sometime in 2005, but my goal was to someday build a more elaborate one that could run programs but not fill up a room like the early computers. Harry Porter built an incredible 415-relay computer which can be seen at this page...
I never thought I'd fully understand how his computer worked, let alone build one. Finally in spring 2007, I gained more understanding of computer systems from a course in college then joked to a friend about using the x86 instruction set for a relay computer to boot up Windows, which would've taken several hundred years on a relay computer running on a 50Hz clock. And so the inspiration began...
Posted by Phillip Torrone |
Aug 1, 2007 12:00 AM
DIY Projects, Electronics, Retro |
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July 31, 2007
Mike's Ambient device
Mike took an old desk lamp and recycled into an ambient device, fetching weather information from Internet via an ATmega168 micro controller and Ethernet chip - Link.
Posted by Phillip Torrone |
Jul 31, 2007 11:00 AM
DIY Projects, Electronics |
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LM555 Night light
Brandon adds a LM555 and some LEDs to his toddler's glow-in-the-dark headboard. Now his son has a beautiful night light that is on when he needs it and automatically turns off when he sleeps... Link.
From the pages of MAKE:
The Biggest Little Chip. MAKE 10 - page 62. An introduction to the versatile 555 timer. Subscribers--read this article now in your digital edition.
Posted by Phillip Torrone |
Jul 31, 2007 10:00 AM
DIY Projects, Electronics |
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Protest technology - White noise projector
Here's a weird video "Protest technology - White noise projector" that talks about what white noise is and how to make a noise projector, basically a MP3 player and a bullhorn... Link.
Posted by Phillip Torrone |
Jul 31, 2007 07:00 AM
DIY Projects, Electronics |
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| Comments (7)
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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HOW TO - Make your own LED bulbs
Claude shows you how to make your own LED light bulbs, he writes -
After many attempts to make all sorts of LED-conversions I finally found one solution that is simple and efficient. Of course, you do need a great amount of patience in making this but when you consider the countless hours of pure light -low consumption you'll get, it's all worth it. This tutorial is about converting regular GU4(MR11) halogen bulbs to LED bulbs while maintaining full usability as 12V light bulbs that can be used in indoor task or accent lighting.HOW TO - Make your own LED bulbs - Link.
Posted by Phillip Torrone |
Jul 31, 2007 03:00 AM
DIY Projects, Electronics, Green |
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July 30, 2007
HOW TO - Build a portable device cradle
This Instructable shows you how to create a device docking cradle using an old keyboard wrist-rest. Too bad there aren't more photos of the build (the drawings were done in MS Paint!).
Easy P.D.C. (Portable Device Cradle) - [via] Link
Posted by Gareth Branwyn |
Jul 30, 2007 09:50 AM
DIY Projects, Electronics, Gadgets, Instructables |
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| Comments (0)
July 29, 2007
Wiimote as car accelerometer
This fairly simple hack uses a Nintendo Wii remote to capture G-force readings in a car, dump it to a CSV (Comma-Separated Values) text file, and then graph it via Excel. The results aren't the most precise, but apparently good enough to give you some useful feedback on car mods.
Wii Remote Measurements [via] - Link
Related:
Posted by Gareth Branwyn |
Jul 29, 2007 03:50 PM
DIY Projects, Electronics, Gaming, Toys and Games, Transportation |
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| Comments (0)
Six-button capacitive touch pad
JustDIY has project for creating a six-button touch pad using the Quantum QProx QT160 QTouch chip. The build looks fairly straightforward, with the QTouch chip doing most of the heavy lifting. Gordon says you have to use mylar caps, as ceramics can't cut it. He promises more details later.
Capacitive touch sensing - Link
Related:
Posted by Gareth Branwyn |
Jul 29, 2007 03:04 PM
DIY Projects, Electronics, Gadgets |
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July 26, 2007
Controling High-Current Devices Via Microcontrollers
The latest piece on uC Hobby explains how-to use low-amperage microcontroller signals to control high-current devices. Among other things, it explains how to use transistors to get from the logic of a MCU to the power needs of a motor.
Posted by Gareth Branwyn |
Jul 26, 2007 01:07 PM
Computers, Electronics, Robotics |
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| Comments (0)
July 25, 2007
Garmin quick-release mount with MintyBoost charger
Here's a great Garmin quick-release mount with MintyBoost charger mod, John writes -
The aim of this tutorial is to explain how I modified my Garmin quick-release bike mount (for the Forerunner x05) so that it can be used as a charging cradle. This allows the GPS unit to be used on long cycles/triathlons such as double centuries, ironman where the inbuilt battery is insufficient.Garmin quick-release mount with MintyBoost charger - [via] Link.
Posted by Phillip Torrone |
Jul 25, 2007 01:43 PM
DIY Projects, Electronics |
Permalink
| Comments (1)
July 24, 2007
Tools you didn't know you needed
EMS Labs has a nice little rundown of five tools you might not know about, but that can come in very handy in your day-to-day electronics work. A fellow DC Dorkbot-er, David Rickert, who's currently building his own analog synth, hipped me to the Lead Forming Tool (top) at the latest Dorkbot DC BEAM Building Workshop, and it's definitely going in the shopping cart of my next online electronics order. I'm not good at judging the bends in the leads in my resistors, and there's nothing more unsightly than kinky components. One of the other items in the piece is an IC Lead Straightener, something that anyone who's ever tried to put, say a 20-pin chip, into a PCB or a DIP socket can duly appreciate.
And adding the convenience of these tools is not expensive. The Lead Forming Tool is a mere $2.80 at Jameco, an IC Straightener is $7.70, also at Jameco. The Vacuum Suction Pen (seen above) goes for $6 at Stan Rubinstein.
Five Electronics Tools You Might Not Know About - Link
Posted by Gareth Branwyn |
Jul 24, 2007 05:30 PM
DIY Projects, Electronics, Toolbox |
Permalink
| Comments (0)
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