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Archive: DIY Projects
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October 29, 2007
HOW TO - Make an accelerometer based mouse
David writes in -
Bernard shows us how to use an use an accelerometer as a mouse. This project uses a MEMS X/Y accelerometer, a PIC microcontroller and a old mouse. He also describes a trick for powering the new mouse with the unused RS232 serial control lines.HOW TO - Make an accelerometer based mouse - Link.
Posted by Phillip Torrone |
Oct 29, 2007 01:00 PM
DIY Projects, Electronics |
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| Comments (0)
Lunchbox to man bag
Micheal re-purposed his grandfather's old lunch box, it's now his self-described "man bag" - Link.
Posted by Phillip Torrone |
Oct 29, 2007 12:00 PM
Crafts, DIY Projects |
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LED costumes
I was wondering if anyone was going to be a LED for Halloween this year and I didn't need to look further than Flickr for some clues... Here's one - Link.
And here's another - Link.
Posted by Phillip Torrone |
Oct 29, 2007 11:00 AM
DIY Projects, Halloween |
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| Comments (5)
Instantly free your iPhone
If you're looking to update your 1.1.1 iPhone to install 3rd party apps all you need to do is visit jailbreakme.com - once there you'll get the installer.app and can start loading applications right away (check out more detailed instructions @ TUAW).
Posted by Phillip Torrone |
Oct 29, 2007 10:00 AM
Cellphones, DIY Projects |
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| Comments (1)
The Amateur Electrician: Build a telephone
The Amateur Electrician: Build a telephone using a "Ford Spark coil" Modern Mechanix 1930 - Link.
Posted by Phillip Torrone |
Oct 29, 2007 09:00 AM
DIY Projects, Modern Mechanix, Retro |
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| Comments (1)
October 28, 2007
Are you prepared for Zompocalypse?
If you missed going out to parties and weekend trick or treating, it's ok because that's not the REAL halloween. The zombies are invading on the true halloween on October 31. Watch the video to learn how to infiltrate their ranks, then download the pdf to prepare your disguise!
Watch the video - Link
Read the PDF - Link
Subscribe and get them automatically in iTunes - Link
Posted by Bre Pettis |
Oct 28, 2007 02:58 PM
DIY Projects, Halloween |
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5 o'clock clock
Super easy re(make) if you're making your own clock and want to have a bit of fun - [via] 5 o'clock clock - Link.
Posted by Phillip Torrone |
Oct 28, 2007 12:00 PM
Arts, DIY Projects |
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Critter board reference released
Critter and Guitari have released their boards...
...We are releasing all PCB schematic and layout files, including Gerber files for everything in the Critter Boards category. All designs are done in Cadsoft's Eagle layout program -- a free version of this program is available. This good news comes with some bad. For a variety of reasons we will no longer be selling small quantities of Critter Board development tools. This is unfortunate, but to keep support for those interested in building self-contained music/video instruments, we've decided to open up everything.
Critter board reference released - Link.
Posted by Phillip Torrone |
Oct 28, 2007 08:00 AM
DIY Projects, Electronics, Open source hardware |
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| Comments (0)
October 27, 2007
HOW TO - Install Leopard on your PC in 3 easy steps
dailyApps shows you how to install Apple's new Mac OS X (Leopard) on a PC...
Well its been only a day since the Mac OSX Leopard was released officially by Apple and the hackers have managed to create a patched DVD that everyone like you and me can use to install Leopard on PC's without having to buy a Mac. Please note the tutorial that I am going to post is still experimental and things might not work the right way simply because it is still early days in hacking Leopard to work on PC's. Well if you don't mind your PC getting screwed then go ahead and try out this tutorial.HOW TO - Install Leopard on your PC in 3 easy steps - Link.
Posted by Phillip Torrone |
Oct 27, 2007 06:00 AM
Computers, DIY Projects |
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Simple switch
Here's a simple way to turn something on just by opening the door - good for halloween projects.
Posted by Phillip Torrone |
Oct 27, 2007 03:30 AM
DIY Projects, Halloween |
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| Comments (5)
October 26, 2007
EM-X270 - Handheld computer for embedded applications
Huh, here's a pretty spiffy looking DIY PDA/phone kit, make your own iPhone! - Link.
Posted by Phillip Torrone |
Oct 26, 2007 07:00 AM
DIY Projects, Electronics, Gadgets |
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| Comments (6)
Surveyor SRV-1 Blackfin camera board
Chris writes in -
With all the chatter about open hardware lately I wanted to let you know about Surveyor Corporation. They are a very open company and provide Eagle schematics for their products including the soon to be released Blackfin based robotic controller. I hope that more companies continue to operate with an open design friendly business model like Surveyor, Chumby Industries, and the dozens of other open companies out there.Surveyor SRV-1 Blackfin camera board - Link.
Posted by Phillip Torrone |
Oct 26, 2007 06:00 AM
DIY Projects, Electronics, Open source hardware |
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| Comments (0)
DIY third hand - A multi-use helping hand for electronics and other delicate work
Ryan writes -
In the past I've used the third hands/helping hands available at chain electronics shops and have been frustrated with their usability. So I decided to make my own. The best part, aside from the ease of use, is all the attachments you can make for it. It's great for electronics as well as crafts.Third Hand++: A multi-use helping hand for electronics and other delicate work. - The World's Biggest Show & Tell - tech, craft, diy - [via] Link.
Related:
Third hand - Link.
Soldering arms (DIY 3rd hand) - Link.
Improving a 3rd hand - Link.
3 degrees of freedom positioner for soldering / gluing ... - Link.
Posted by Phillip Torrone |
Oct 26, 2007 05:00 AM
DIY Projects, Electronics, Toolbox |
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DIY Electric utility vehicle part 2
FrankG's electric utility vehicle part II. He's added a roof, body panels, plexi-glass windscreen, new batteries and a camo paint job as well as installing an "On-Board" 36V/35Amp charger and a simple analog meter array to monitor individual battery voltage - Link.
Related:
Electric utility vehicle part 1 - Link.
Posted by Phillip Torrone |
Oct 26, 2007 04:00 AM
DIY Projects, Electronics, Transportation |
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| Comments (0)
Motors for Arduinos
I asked Todobt for some advice on using motors with Arduninos without a motor shield, his answer was great and makes a good post to share, so here it is... -
For normal motors, just about any surplus DC motor that's rated something like "1.5VDC - 6VDC" will work. Add a transistor like a TIP120 to switch the higher current and a diode across the motor to protect against back EMF and you're done. You can only drive the motor in one direction with that though. To do forward/reverse you need 4 transistors and at that point it's easier to just use the standard motor driver chip. (it's just those four transistors wired up for you in a package)todbot's blog - Link.For servos, I've only really played with the standard $10 hobby servos. I always get the cheapest ones out there. I run the servo control signal directly to an Arduino pin, and power the servo directly from the Arduino power supply. Most servos are made to operate at around 5V, but I think there are others that will take 12V or something.
With the DC motors, I also power them off the Arduino +5V power supply. A motor with a higher voltage rating would be better powered off Arduino Vin. This is where the transistor is neat, because it switches the higher voltage to the motor using the lower voltages of the Arduino. Transistors rock.
One thing to note though is that if you're using a 'minimal' Arduino like a Boarduino, its power supply caps might not be enough to filter out the motor noise and you might get some brownouts. Also, powering motors off of 9V batteries can be hit-or-miss too. I'm still experimenting with a solution for that for the Arduino class I'm teaching in November.
Post up in the comments if you have other suggestions.
Posted by Phillip Torrone |
Oct 26, 2007 03:00 AM
Arduino, DIY Projects, Electronics, Open source hardware |
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| Comments (2)
TV Remote jammer!
Kipkay writes -
I've had a few scuffles in my house over the TV remote so I decided to do something about it. I built a circuit that will block my TV and any device I choose from getting a signal from the normal remote control. I turn an ordinary remote into a jammer and the remote still works normally!TV Remote jammer! - Link.
Posted by Phillip Torrone |
Oct 26, 2007 01:00 AM
DIY Projects, Electronics |
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October 25, 2007
The Ham Band
How did they get the camera up so high? Why is he wearing a top hat? Are you a wage slave? These are the questions you'll ask as you watch my dad's favorite ham radio video! - Link
Posted by Bre Pettis |
Oct 25, 2007 09:26 PM
DIY Projects, Music |
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| Comments (1)
Carl & Jerry: Their Complete Adventures, Volume 4 by John T. Frye
Jeff writes in with a new Carl & Jerry! -
After a lot of delays this summer, I finally got the fourth (of five) volumes of Carl & Jerry stories up on Lulu and ready to sell...I also pinched off the first free story from Volume 4:Carl & Jerry: Their Complete Adventures, Volume 4 by John T. Frye (Book) - Link & sample PDF.The story presents a fascinating concept: An "infrasonic" microphone that works a little like an aneroid barometer, with a flexible brass sheet sealed over the mouth of a glass jar, acting as one plate of a capacitor that varies in response to atmospheric pressure waves of extremely low frequency. Interestingly, the story is one of the few in which it's never resolved whether the gadget really works or not, but it always made me want to build one and try it myself--which, after all, is what the Carl & Jerry stories are supposed to do!
The final Volume 5 should be done by the end of the year. Thanks for putting the stories back in the public eye.
Posted by Phillip Torrone |
Oct 25, 2007 05:00 PM
DIY Projects, Electronics, Retro |
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HOW TO - Make a fridge alert
The latest "Gadget Freak" from Design news is a fridge alert! -
When you've popped in your fridge alarm, getting peckish in the middle of the night and forgetting to close the door -- along with escalating electricity bills -- will be a thing of the past. Italian inventor Flavio Dellepiane has designed a 3V battery-powered fridge alarm that beeps if you leave the door open for more than 20 seconds. When the fridge lamp illuminates, the alarm's photo resistor lowers its resistance, the IC starts counting down and, after a preset delay, the piezoelectric buzzer beeps for 20 seconds.HOW TO - Make a fridge alert - Link.
Posted by Phillip Torrone |
Oct 25, 2007 12:00 PM
DIY Projects, Electronics |
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| Comments (0)
Microcontroller link for under $20
A follow up from James, he writes in -
Thank you for putting up the link to the PC controller article. I've published part two now, which is to link two microcontrollers with each other using the internet for under $20. It has been a work in progress for the last few months and actually started with a question someone posted on the Make forum where they wanted to control their home thermostat from work.Microcontroller link for under $20 - Link.
Related:
Control real world devices with your PC - Link.
Posted by Phillip Torrone |
Oct 25, 2007 10:00 AM
DIY Projects, Electronics |
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| Comments (0)
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