Archive: DIY Projects
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August 14, 2007
HOW TO - Make a Blinkenlichts, a mood lamp

Here's how to make a spiffy mood lamp from an IKEA lamp, source and schematics are included... - Link & translated site.
Posted by Phillip Torrone |
Aug 14, 2007 10:00 AM
DIY Projects, Electronics |
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| Comments (1)
Decomidi

Code, layout and PCB for a 32 output MIDI decoder - Link.
Posted by Phillip Torrone |
Aug 14, 2007 07:00 AM
DIY Projects, Electronics, Music |
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| Comments (2)
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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HOW TO - Make an Infrared bazooka (aka recoiless remote)

Steve writes -
This project was inspired by a need to remotely control a rogue television which is far away. The Infrared Bazooka is basically an infrared repeater combined with an infrared amplifier.Infrared bazooka (aka recoiless remote) - Link.There are cool gadgets for remote control of random TVs, like the TVBGone or the Ninja Remote. The Infrared Bazooka allows you to amplify your remote (of any type) for greater range.
The heart of the Infrared Bazooka is an array of 24 infrared LEDs. This is what gives the bazooka amplification relative to a standard remote control.
For the IR LEDs, I'm using part number CAT# ILED-8 from All Electronics, plus some 20 Ohm resistors I picked up from Fry's.
Related:

Tv-B-Gone hat - Link.

Ultra TV-B-Gone - 20 IR LEDs + 9V = 90 ft range! - Link.

Make your own TV-B-Gone? - Link.

HOW TO - Double the range of your TV-B-Gone - Link.

HOW TO - Make a vintage remote TV-B-Gone case mod - Link.

Super 44 IR LED TV-B-Gone - Link.

TV-B-Gone in the MAKE store - Link.
Posted by Phillip Torrone |
Aug 14, 2007 03:00 AM
DIY Projects, Electronics |
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| Comments (0)
August 13, 2007
Finkbuilt opaque projector


Steve Lodefink has posted the results of his opaque projector build, using the giant lens he got from American Science & Surplus (see previous post below). The results are beautiful. Love the Plasticote wrinkle paint, the BelAir logo, and the Fender amp power jewel.
Opaque Projector - Link
Related:
- Huge lens: project or paperweight? - Link
Posted by Gareth Branwyn |
Aug 13, 2007 08:00 PM
DIY Projects, Gadgets |
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| Comments (3)
Gear template generator


Woodworker Matt Wandel has a tool on his site for designing your own "low precision" gears (i.e. wood, phenolic plastic, etc) and printing them out onto paper templates for cutting. You can define two gears (with tooth size, count, angle) and watch them interact. The site also includes a brief tutorial on how to cut out the gears from the templates.
Interactive gear template generator - Link
Posted by Gareth Branwyn |
Aug 13, 2007 06:00 PM
Crafts, DIY Projects |
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| Comments (1)
HOW TO - Shave a deck of cards
This video shows you how to shave a deck of cards so that you can perform many common card tricks.
Make a "Magic" Deck of Playing Cards - Link
Posted by Gareth Branwyn |
Aug 13, 2007 04:00 PM
DIY Projects, Gaming, Toys and Games |
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| Comments (1)
Semitone - open dimmer project

Semitone is a cool open dimmer project -
The aim of this project is the development of comfortable standalone digital light dimmers for home use, which are inexpensive, easy to build, yet very feature-rich and configurable. All development details, such as the microcontroller operating systems (firmware), schematics, and documentation, are freely available under the GNU license.Semitone - open dimmer project - Link.
Posted by Phillip Torrone |
Aug 13, 2007 03:00 PM
DIY Projects, Electronics, Open source hardware |
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| Comments (1)
Celebrating LEGO's 75th Anniversary

In honor of LEGO's 75th anniversary, DIY Life has put together a list of 23 of their favorite LEGO projects online (many of which we've already covered here). The one seen above is an amazing, working Guitar Hero game controller modeled after the Gibson Explorer.
LEGO's 75th anniversary: 23 DIY LEGO ideas - Link
Related:
- LEGO Guitar - Link
- HOW TO - Make a DIY PS2 Guitar Hero controller - Link
- Left handed Guitar hero mod & more mods! - Link
Posted by Gareth Branwyn |
Aug 13, 2007 02:00 PM
DIY Projects, Electronics, Gaming, Toys and Games |
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| Comments (0)
The antique chip collector's page

The antique chip collector's page is awesome, bookmarked! -
Perhaps vintage is a better term than antique although, in Internet years, integrated circuits have been around for more than 120 years. It is absolutely amazing the number and variety of computing devices that have been created and obsolesced in just 40 years. Integrated circuits are used for many purposes, but these pages focus primarily on vintage computing chips from the 60's-80's.The Antique Chip Collector's Page - Link.Theses pages contain information on these vintage chips that is difficult to find. Most publications are written for hardware and software designers. Very few publications are suitable for collectors' needs. How do you identify the chip? What do the markings mean? How can you tell which company made the chip? When was it made? How was it made? What is the history and significance behind the chip? These pages attempt to answer these questions. There is information here for the beginning and the advanced collector.
Posted by Phillip Torrone |
Aug 13, 2007 01:00 PM
DIY Projects, Electronics |
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HOW TO - Make a solar thermal water heater for less than five dollars

TheNaib writes -
This project will create a DIY solar hot water heater for less than five dollars (if you have access to a garbage dump). It will allow you to see the principles of solar water heating in action, and is highly customizable.HOW TO - Make a solar thermal water heater for less than five dollars - Link.Its a great way to learn about using the renewable energy of the sun to produce useful effects, in this case hot water. You can use these instructions to build a device that will actually heat enough water to use in the home, but it would require modifications.
This device is more useful for camping or as a science experiment and teaching tool. A word of caution it is possible to create very hot water with this technique and you should be careful not to burn yourself. You can find this and more great DIY projects relating to renewable energy, solar cooking, and sustainable design at The Sietch
By using the sun instead of fossil fuels to heat your water you will be preventing dangerous greenhouse gasses from being released into the atmosphere, helping to prevent global warming.
Related:

Beer bottle solar-powered water heater - Link.

DIY Solar heater - Link.

HOW TO - Make a homemade solar water heater - Link.
Posted by Phillip Torrone |
Aug 13, 2007 11:00 AM
DIY Projects, Green, Instructables |
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| Comments (1)
A/C unit keeps car cool

It's hot out, it's time for makers making things cool, in interesting ways...
Scott Dawson, a civil engineering graduate from the University of Houston, decided after three years of driving around Houston without air conditioning in his car was long enough. So instead of spending $1,200 to fix the air conditioning on a car he planned on getting rid of soon, he bolted a home window A/C unit to the roof and wired it to the car.A/C Unit Keeps Car Cool - [via] Link & photos.
Related:

Poor man's air conditioning... - Link.

DIY cheapest air conditioner in the world - Link.

Homebrew Air Conditioning for under $25 - Link.

Homemade air conditioner - Link.
Posted by Phillip Torrone |
Aug 13, 2007 10:00 AM
DIY Projects, Transportation |
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| Comments (7)
HOW TO - Hack The Spy Ear and reverse engineer a circuit


Biotele writes -
This instructable introduces the venerable Spy Ear in details and my way to reverse engineer a circuit.Why does this device deserves its own instructable?:
- You can buy a Spy Ear for a dollar!
- It can amplify sounds up to 60 dB or a factor of a 100.
- It has a self limiting property and adjusts the gain so that the amplified signal volume is always just right.
- It runs of two LR44 1.5 volt button cell alkaline battery, so it's perfect for portable projects.
- Many of today's projects, such as in robotics, require analogue front end for sensing the environment and the Spy Ear circuit is just right to fill in as a multi-purpose front end amplifier.
- It is simple enough to reverse engineer.
- I am making another instructable using this device.
- The Spy Ear is a fantastic cheap,small and rugged circuit for modding and hacking.
Posted by Phillip Torrone |
Aug 13, 2007 09:00 AM
DIY Projects, Electronics, Instructables, Toys and Games |
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| Comments (0)
HOW TO - Make a low cost circuit board pre-heat workstation for solder re-work

JXP writes -
Circuit board pre-heat workstations are very expensive, $350.00 - $2500.00. The goal of this project is to demonstrate how to make a circuit board pre-heat workstation for around $50.00 with no special tools and the majority of materials from Home Depot and Harbor Freight Tools...HOW TO - Make a low cost circuit board pre-heat workstation for solder re-work - [via] Link.
Posted by Phillip Torrone |
Aug 13, 2007 07:00 AM
DIY Projects, Electronics |
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| Comments (1)
Linux based mobile dev kit

Huh, USB, touchscreen, WiFi looks like it has everything to tinker with... -
Unicon System's MKit™ development kit is the first and only unique mobile Linux development kit on the market. It gives professional developers and manufacturers the ability to create new handheld devices for industrial, security, educational and medical applications, as well as various consumer electronics products.Unicon Systems. Linux based mobile dev kit - Link.Our patented, wireless, and mobile chip-on-film Linux computer is based on an ARM9 embedded CPU running full blown Linux 2.6 and attached to the back of a 3.5" touch screen. It is equipped with multiple connectivity options, including two 2.0 high-speed USB host ports and WiFi.
It is a well-designed license free software stack and debugging JTAG board that makes customization easy and guarantees the shortest time to market.
Development kits are available in different modifications including the world's first SDIO Linux Development Kit.
Posted by Phillip Torrone |
Aug 13, 2007 06:00 AM
DIY Projects, Electronics, Kits |
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| Comments (6)
AVR based headphone amp

Here's an AVR based headphone amp from AVR freaks. Simonetta writes -
Headphone amp using National LM4832 audio processor that is controlled through I2C from AVR Tiny13. Unique design has one potentiometer and a single pushswitch. On power-up, the pot controls volume. On first switch press, pot controls treble. Next press, pot controls bass level. On third switch press, the pot goes back to controlling volume. The amp retains the parameter settings set by the previous switch modes. AVR sleeps between 1/15 second intervals. An AVR Tiny13 reads the potentiometer 15 times a second and creates the I2C clock and data signals needed to change the settings of the LM4832. I needed a small but loud headphone amp and was given these LM4832 samples at work. None of the old-school engineers could figure out how to control or program an I2C connection. The code shows a simple but effective way to use I2C with AVR assembler.AVR based headphone amp - Link.
Related:

MAX - headphone amp - Link.

Altoids headphone amp - Link.

Altoids and tin cases archives - Link.
From the pages of MAKE:

Mint-Tin Amp. Pocket amplifier punches up headphones. MAKE 04 - page 141. Subscribers--read this article now in your digital edition or get MAKE 04 @ the Maker store.
Posted by Phillip Torrone |
Aug 13, 2007 05:00 AM
DIY Projects, Electronics, Music |
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| Comments (2)
Hydra kit in the MAKE store


The new Hydra kit is now in the MAKE store - The Propeller-powered Hydra Game Development Kit includes everything you need to get started writing video games. It's not just a game console, but a computer system inspired by the home computers of days gone by.
Features
- The HYDRA Game Console with 128K EEPROM and a plethora of I/O interfaces.
- 9V DC Power Wall Adapter.
- PS/2 Mouse.
- PS/2 Mini Keyboard.
- Nintendo Compatible Gamepad.
- A/V Cable.
- USB Programming Cable.
- 128K Re-Programmable Game Card to Store Games and Applications.
- Blank "Experimenter" Card to Design Your own Add-On Hardware.
- "Game Programming for the Propeller Powered HYDRA" hard copy book by Andre' LaMothe.
- CD-ROM with all source, demos, and development tools.
Posted by Phillip Torrone |
Aug 13, 2007 04:00 AM
DIY Projects, Electronics |
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| Comments (0)
August 11, 2007
Decoding a component datasheet

People are always asking me if you can really tell that much from a component datasheet (if you're not an electrical engineer). Greg Lipscomb shows how to figure out what a chip can do by reasoning through a datasheet's pin-out diagram and schematics. Here he uses the datasheet for the Maxim Max756 DC/DC step-up converter chip found in Ladyada's Minty Boost portable USB charger.
DIY DCDC Stepup with Max756 - Link
3.3V/5V Adjustable-Output, Step-Up DC-DC Converters Datasheet (PDF) - Link
Related:
Posted by Gareth Branwyn |
Aug 11, 2007 09:00 AM
DIY Projects, Electronics |
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Condenser mic in a tin can



We continue our impromptu series on tin can tech with this scratch-built condenser mic housed in a food tin.
The ultra-lowtech condenser microphone - [via] Link
Related:
- Fire-powered, bean-tin battery charger - Link
Posted by Gareth Branwyn |
Aug 11, 2007 08:00 AM
DIY Projects, Electronics, Music |
Permalink
| Comments (2)
August 10, 2007
Make Labs' Biosphere & More!

It's always hard to tell which MAKE project will be the one that lots and lots of folks make and then share, it looks like for volume 10 a lot of makers are going tabletop biosphereing.

Here's one from our labs, over 5 months and going strong! - Link.


Here are a few photos from the Sparks Research Group - Link.

And this one from Cephalopodcast! They also took some nice macro photos - Link.
More:

Weekend project, make your own tabletop biosphere - Link.
From the pages of MAKE:


The Tabletop Shrimp Support Module (TSSM) is a fun demonstration of the ecological cycles that keep us alive. MAKE 10 - page 110. Subscribers--read this article now in your digital edition - Link or subscribe to MAKE.
Posted by Phillip Torrone |
Aug 10, 2007 07:00 AM
DIY Projects, Science |
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| Comments (5)
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