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Archive: Electronics
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June 28, 2007
HOW TO - LED Hula Hoop
Jeffkobbi writes -
Some friends wanted a lighted hula hoop for burningman, and when they turned out to be about $200 each, I decided to make one. All the parts cost about $15 . . . total time to make the hoop was about 3 hours, but that included time for figuring things out. You could probably make one in less than 2 hours with this instructable and soldering skills...LED Hula Hoop - Link.
Posted by Phillip Torrone |
Jun 28, 2007 05:00 PM
DIY Projects, Electronics |
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ALAVs - Autonomous light air vessels - BLUBBER BOTS @ MAKE!
We have a new kit in the Maker store, the Blubber Bot - Part of a family of "Transitional Species," Blubber Bots are Do-It-Yourself robotic inflatables that navigate autonomously and intelligently. They are light-seeking helium-filled balloons that graze the landscape in search of light and cellphone signals.
Designed into the inflatable form is a set of light sensors enabling them to seek out the brightest light source. They are also equipped with a phone flasher and can recognize cellphone activity. You can interact with a Blubber Bot by making a call and waving your phone near it. In response, they will go into a flocking dance or sing you a special tune.
Social and friendly in nature, Blubber Bots like to play. You can invite other Blubber Bots over for a party to watch them flock and mingle. They propel themselves using helium buoyancy and two-directional motors. They are a little clumsy though and tend to bump into things. Fortunately, Blubber Bots are born with a feeler (bump switch) to help them out of tricky situations. At a flick of the "feeler", they back up and head in a new direction.
Not only do they like to play, but they love to sing. Blubber Bots have a unique voice generated from a vibrating motor and a small piezo speaker attached to their mylar bodies. They bellow sounds similar to a whale's song and serenade you with melodies. When not being played with, they rest while tooting periodic sounds in their sleep, dreaming until they once again are awakened.
ALAVs - Link, photos & get them now @ the Maker store.
Posted by Phillip Torrone |
Jun 28, 2007 04:00 PM
DIY Projects, Electronics, Kits, MAKE Store |
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HOW TO - The Perfect Light
Garry writes -
The perfect LED light is designed for cavers who want an efficient, uniform and constant bright light for caving. This article contains some very specific technical information and it is assumed the reader has a basic understanding of electronics. To build the light, the reader also must have some experience soldering, drilling, wiring and cutting small objects. The list of required tools include a multi-meter, Dremel drill and soldering station. The electronics are available from major semiconductor manufactures has "evaluation" kits, but nothing should prevent the reader from "rolling their own" design. The principle cost of the light is the white LED's. The best white LED's are made by Nichia Corporation and are expensive. However, it makes no sense to undertake the project without starting with the best LED's available.The Perfect Light -Link.
Posted by Phillip Torrone |
Jun 28, 2007 11:00 AM
DIY Projects, Electronics |
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Soundgin - sound chip in a PIC
This looks neat - The Soundgin is a serially controlled Sound Synthesizer in a PIC. It can produce complex sound effects, synthesizer style music and English speech. Thanks Kevin - Link.
Posted by Phillip Torrone |
Jun 28, 2007 09:00 AM
Electronics, Kits |
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| Comments (4)
Sound-Making Felt + Circuits
Peter writes in -
"Squeezy squeak-ish" sound-making felt creations are here! Brian Crabtree and Kelli Cain, co-creators of the open source Monome multimedia controller, have long had an interest in alternative, sustainable materials for music and multimedia. They recently shared some of those ideas at a felt + circuits workshop in Los Angeles. From turning wool into felt to making copper-etched circuits, the whole project was a from-scratch electronics-building journey.Felt + Circuits, for Sound and Enjoyment, From Happy Sheep - Link.
Posted by Phillip Torrone |
Jun 28, 2007 08:00 AM
Crafts, Electronics |
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Nixie Tube kits
TubeClock has a really nice selection of Nixie tube clock kits, any makers buy and build one of these from them? Post up in the comments... Link.
Posted by Phillip Torrone |
Jun 28, 2007 07:00 AM
DIY Projects, Electronics, Kits |
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HOW TO - Make a temperature-based fan controller without a thermistor
Nick made a temperature-based computer fan controller that use a reverse-biased diode for temperature sensing -
From a design standpoint, the only complaint I have about my Shuttle small form factor desktop is the extremely fragile on-board fan controllers. All three have died over the past two years after being used to regulate the single on-board fan with respect to the system temperature. The last one gave up the ghost a few days ago as my machine suddenly shut down and a red light came on inside.μblog: engineering from the trenches » How to make a temperature-based fan controller without a thermistor - Link.Figuring that I should just go build a more substantial fan controller myself, I promptly went to the lab to look for a thermistor. Unable to find one, I settled for the next best thing: a diode.
Posted by Phillip Torrone |
Jun 28, 2007 04:00 AM
Computers, DIY Projects, Electronics |
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Clive had an engagingly surreal stage presence...
Karen sent in the latest (and new) GadgetFreakUK -
Special effects designer Clive Mitchell's electric match controller is intended for producing small-scale special effects like a confetti rainstorm.Clive had an engagingly surreal stage presence (Gadget Freak) - Link.An electric match is a common device for firing pyrotechnics on stage - it works by passing a current through a thin nichrome wire, which in turn ignites a surrounding bit of pyro compound that fires the main effect.
Clive's device adds simple features like a firing button (a big red one, of course), a keyswitch for safety, and a test LED that shows when an active device is connected to the unit.
Posted by Phillip Torrone |
Jun 28, 2007 12:00 AM
DIY Projects, Electronics, Halloween |
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June 27, 2007
Parallel Port clock
This is great! An analog quarts clock movement driven from a parallel port, Thanks Toby! Link.
Posted by Phillip Torrone |
Jun 27, 2007 06:00 PM
DIY Projects, Electronics |
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Automatic temp controller data logger for a slow cooker
Automatic temp controller data logger for a slow cooker from Circuit Cellar Issue 154 May 2003 --
Most chefs would argue that barbecuing is more art than science. Nevertheless, John introduced ATmega8-based technology to the procedure. The result? An automatic temperature controller that eliminates the need for constant vigilance when slow cooking.Circuit Cellar - Digital Library - Link.
Posted by Phillip Torrone |
Jun 27, 2007 04:00 PM
DIY Projects, Electronics |
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Arduino Arduino Arduino @ MAKE!!
Ok gang we have Arduinos in the MAKE store! We have a limited number (and at great prices) so get'em while you can!
Arduino NG PLUS USB Board, fully assembled
Arduino is a tool for making computers that can sense and control more of the physical world than your desktop computer. It's an open-source physical computing platform based on a simple microcontroller board, and a development environment for writing software for the board. Arduino is open source!
Arduino Mini Board, fully assembled
This miniature Arduino board has an ATmega168 onboard, which offers twice as much program space as the ATmega8 on the other boards (16 KB vs. 8 KB). You can plug it in a breadboard or put it in a socket soldered into prototyping board. Like the full-sized Arduino boards, this runs at 16 MHz.
Arduino Mini USB Adapter, fully assembled
This board converts a USB connection into 5 volt TX and RX that you can connect straight to the Arduino Mini or other microcontrollers, allowing them to talk to the computer. It is based on the FT232RL chip from FTDI (drivers are included with the Arduino software).
All this and more @ the Maker store! - Link.
Posted by Phillip Torrone |
Jun 27, 2007 02:00 PM
DIY Projects, Electronics, MAKE Store |
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Sphere's Nixie tubes
The Sphere Research Canadian test equipment site has tons of everything NIXIE for all your glowly projects needs and clock building... Link.
Related:
The most accurate nixie clock - ATOMIC! - Link.
IN14 Nixie clock kit - Link.
NIXIИ-1 - Nixie clock - Link.
Tiny Nixie clock - Link.
Ryan Brooks's 6502 Nixie clock - Link.
Single tube Nixie clock - Link.
Nixie tube - tube clock - Link.
A single-digit Nixie clock - Link.
Nixie clocks & kits for collectors and designers - Link.
Nixie clock gallery - Link.
More Nixie action - Link.
Posted by Phillip Torrone |
Jun 27, 2007 07:00 AM
DIY Projects, Electronics |
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June 26, 2007
LEMURplex classes - NYC
If you're in NYC the LEMURplex classes are starting up in July, the line up looks incredible!
- Pyrotronics: Pyrotechnics & Control for Artists
- Max Intensive: A Multifaceted Multimedia Approach
- Building MIDI Music & Video Controllers: Creating a Sensor Instrument with MidiTron
- Microcontroller Progamming for Artists: Introduction to the Arduino System
- Fun With Fiberglass: Basic Composite Fabrication
- Intro to Jitter: Video Processing in the Max/MSP/Jitter Environment
Posted by Phillip Torrone |
Jun 26, 2007 02:00 PM
Electronics, Events |
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Atmel AVR ATmega8 video overlay project
Gary Dion's AVR based video overlay titler, source and schematics included... Nice work, thanks Goose! Link.
Posted by Phillip Torrone |
Jun 26, 2007 12:00 PM
DIY Projects, Electronics |
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| Comments (1)
Pixecutor - run software on a Mattel JuiceBox
jasonharper writes -
This hack will allow user-written software to be run on a JuiceBox media player toy. It works by tricking the built-in picture viewer application to run code contained in a .JBP picture file that starts with a specific 8-byte sequence. Normal operation of the JuiceBox is not affected, other than the 1-out-of-18-quintillion chance of a real picture containing the trigger sequence.instructables : Pixecutor - run software on a Mattel JuiceBox - Link & you can now get a pre-programmed chip from the Maker - Link.
Posted by Phillip Torrone |
Jun 26, 2007 07:00 AM
DIY Projects, Electronics |
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| Comments (2)
Hydra console game development kit
ThinkGeek is now carrying the Hydra console game development kit, $199 -
Remember the simpler computer days of yore when it was actually possible to hook your Commodore 64 to an old TV set and immerse yourself in coding? Now you can relive those memories by creating your own classic 8-Bit style games with the Hydra Console Game Development Kit. For beginner to intermediate coders, you need only a minimum of programming experience in any BASIC or C-like language. You get all of the hardware and software you need including the Hydra console, comprehensive programming guide, keyboard, mouse, gamepad and your own cartridge to store your games on.ThinkGeek :: Hydra Console Game Dev. Kit - [via] Link.Written by best-selling game development author Andre' LaMothe, the included book is your complete guide to developing games, graphics, and media applications for the Propeller Powered Hydra Game console. The book assumes you have only basic programming experience. It covers all aspects of the Propeller chip from its architecture to using the Propeller Tool IDE for programming in both Spin and assembly language, with numerous demo programs to use as starting points for your own games.
Related:
XGameStation is designed to educate a new generation of hardware and software hackers in the nitty-gritty, low-level world of hardcore game development. Combining modern technology with the bedrock-solid design philosophies of the past, the XGameStation Pico Edition 2.0 is a build-it-yourself game development kit. Solder your unit together and you'll have a completely portable and reprogrammable embedded game system. Complete instructions covering assembly, architecture, and programming of the Pico Edition comes with the kit on CD. Includes a 80MHz Ubicom SX28 microcontroller, a solderless breadboard, a 7-Segment readout, 15-pin interface, A/V jacks, and a built in directional game pad for a completely portable mini-game console - Link.
Posted by Phillip Torrone |
Jun 26, 2007 01:00 AM
DIY Projects, Electronics, Gaming |
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June 25, 2007
Arduino ProtoShield assembly + use
Bob writes -
The Arduino board is an inexpensive, open-source microcontroller board. The development environment is also open-source and freely downloadable.atomicsalad: Tutorial: SparkFun ProtoShield Assembly + Use - Link.The Arduino board is sold in the United States by sparkfun.com. Shields are extension boards that can combine with the Arduino main board to extend it's capabilities. That gets us to the main point here. The ProtoShield kit from SparkFun adds a couple of LEDs, switches, and an optional solderless breadboard making prototyping that much simpler.
I recently purchased an Arduino board and ProtoShield, but wasn't able to find much information about assembly and use of the ProtoShield. So, I decided a short tutorial showing how I put together the ProtoShield might be useful to others. Here goes.
Posted by Phillip Torrone |
Jun 25, 2007 02:00 PM
DIY Projects, Electronics |
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| Comments (1)
Quick hack: The $1 C-to-D adapter
Evil Mad Scientist Laboratories show you how to turn a C battery into a D in a jam... -
Here's a common problem: You want to power your gizmo that runs on D cells, but all that you have handy are C cells. In many (but not all) circumstances, you can solve this problem by using the C cell and making up the battery length difference with a few quarters-- typically three or four. There is a 12 mm length difference between a C cell and a D cell, and quarters are about 2 mm thick, so if your gizmo has a really weak spring it could take up to six quarters to do the job.Quick hack: The $1 C-to-D adapter - Link.Yes, commercial battery size adapters are available. They typically cost between 1.5 and three dollars and can only be used for the one purpose-- adapting battery sizes. (Well, that, and as a set of matryoshki.) Using quarters can also potentially end up costing as much as $1.50, but it can go straight back into your wallet when you're finished! Much more importantly, when you really need it, you can probably find a few quarters no further away than your pocket.
Posted by Phillip Torrone |
Jun 25, 2007 06:00 AM
DIY Projects, Electronics |
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3D persistence of vision bonsai tree
Mike is making a 3D persistence of vision bonsai tree - [via] Link.
Related:
POV tree - Link.
Color orb audio-synchronized lamp and POV watch - Link.
HOW TO - Make a golf club POV - Link.
Microcontrollers 101 - Build a POV - Link.
LED POV helmet - Link.
HOW TO - The Super POV, the video! - Link.
World's most dangerous digital clock - POV combat robot - Link.
Ian's Spoke POV - Link.
Posted by Phillip Torrone |
Jun 25, 2007 04:00 AM
DIY Projects, Electronics |
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| Comments (0)
June 22, 2007
Parallel port oscilloscope
Here's a pretty nice parallel port oscilloscope -
This oscilloscope uses the SPP or EPP parallel port (LPT1) for reading the data from ADC. If your LPT1 is an ECP then the program automatically switches the LPT1 in byte mode (normal mode). BUT, not all parallel ports (LPT ports) are bidirectional. "Bidirectional" means, that except outputing data, the port can also read the data. How to determine if your LPT1 port is a bidirectional one? Start the LPTscope program and on the program menu select: "Bidirectional capabilities testing" then follow the given instructions.LPTScope hardware - Link & cache.
Posted by Phillip Torrone |
Jun 22, 2007 07:00 AM
DIY Projects, Electronics |
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