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Archive: Electronics
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January 17, 2007
Felted Speak and Math
This circuit bent Speak and Math has been felted! More circuit bending posts to come as I try and figure out how to do it!
Underneath all the felt is a Speak & Math . The original buttons are all operational. As I'm sure that there's no mystery surrounding what a bent Speak device should sound like, so I'll not post a clip. That being said, my excitement compells me to tell you about the mods. The switches are two different loops and an angry switch. The big square button is a momentary loop that can occasionally produce distortion when used in conjunction with one of the other loops. The top small button is a tone, and the other one makes a fluttery sound. There's also some body contacts on the sides. I'll cop to using a schematic for the pitch knob (as I had pretty much no idea at all how to do it) but the rest of the bends are the result of trial and error. - Link
Posted by Bre Pettis |
Jan 17, 2007 11:32 PM
Electronics |
Permalink
| Comments (3)
Caspertronics Interview
Here's a great interview with circuit bender, Pete Edwards from Swedish television. It's also a bit of a preview, I'm working on circuit bending a speak and spell for an upcoming weekend projects podcast. - Link
Update: Caspertronics has an awesome page with lots of schematics for circuit bending a speak and spell. - Link
Posted by Bre Pettis |
Jan 17, 2007 10:06 PM
Electronics |
Permalink
| Comments (1)
Adjustable macro camera stand
Figures! FrankG already made an adjustable macro camera stand, he writes -
"I thought I'd forward this link to a digital magnifier that I built a couple of years ago to help me inspect & solder circuit boards..." - Link.
Posted by Phillip Torrone |
Jan 17, 2007 09:42 AM
DIY Projects, Electronics, Imaging |
Permalink
| Comments (0)
Aqua Teen Hunger Force LED art
MAKE Flickr photo pool member Vanderlin found an Aqua Teen Hunger Force LED art project, under a bridge... - Link.
Posted by Phillip Torrone |
Jan 17, 2007 06:22 AM
Arts, DIY Projects, Electronics |
Permalink
| Comments (7)
Supercharged - homemade charger box
Lisa writes in with one way to solve a lot of cord clutter -
"I made my own charging center for all my electronic gadgets (phone, PDA, iPod, Nintendo DS, etc.)--it's a box with a power strip inside, and holes for the ends of the various proprietary cords to poke out. It's really nice-looking, too (if I do say so myself). It was an easy project that has made a huge difference in my life and the appearance of my living room, and I'm surprised I haven't seen more people doing the same thing!" - Link.
Fans, ventilation holes and dust cleaning (as one of makers suggested) might avoid some problems with a homemade box-solution like this.
At this point if any of our devices can be charged via USB (5V, most can) the manufactures could all agree to support that and cut down on a lot of "wall wart" power supplies and/or make it a bit more universal... but the inductive charging folks probably like the cordy mess at the moment.
Related:
- Multi-Outlet extension cords - Link.
- DIY Multi-outlet extension cords - Link.
- Make a homemade Power Squid - Link.
Posted by Phillip Torrone |
Jan 17, 2007 02:41 AM
Crafts, DIY Projects, Electronics |
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| Comments (7)
January 16, 2007
MADE: MAKE open source MP3 player
MAKE Flickr photo pool member TheThompsonFive posted up the assembled open source MAKE mp3 player he made--
"After a furious afternoon of soldering here it is, my completed Daisy mp3 player from the Make magazine store. Some people have griped about the price, myself included, but I will say in it's defense that the kit itself was absolutely top notch, and I have never in the twenty or so years I have been soldering things together seen a finer PCB. You would really have to go out of your way to make a bad joint on this one. Now I just have to get a memory card and hack up an enclosure of some sort so I can try it out. " - Link.
You can still get the kit here @ the MAKE store - Link.
Posted by Phillip Torrone |
Jan 16, 2007 05:04 PM
DIY Projects, Electronics, Kits |
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| Comments (1)
The embarrassingly easy case mod (color LEDs)
Daniel writes -
"You know all those RGB LED projects with microcontrollers and power transistors and stuff?
Well, this is the almost-too-easy version.
Modern two-pin RGB LEDs are cheap and pretty, and they don't need so much as a current limiting resistor, if the input voltage is right. Just hook 'em up to about three volts and away they go.
It's thus trivial to install them in cars, computers, flashlights... you name it." - Link & video.
Posted by Phillip Torrone |
Jan 16, 2007 04:48 PM
Computers, DIY Projects, Electronics |
Permalink
| Comments (5)
Recumbent generator
FrankG writes -
"The bent genny' part 3, This section covers a PicAxe 08M data logger that interfaces to a PC via RS-232 and uploads the performance characteristics of the generator in real-time. As well as some priliminary results between "Star & Delta" 3-phase configurations of the stator." - Link.
Related:
Posted by Phillip Torrone |
Jan 16, 2007 02:36 PM
DIY Projects, Electronics |
Permalink
| Comments (4)
iPod Shuffle box headphone amp (made from an iPod 2G box!)
Matt has a great iPod Shuffle box headphone amp (excellent re-use!) writes -
"I made a CMoy headphone amp based on the description in Make vol. 4. It wouldn't fit in an altoids tin, so I put it in the clear box that an iPod shuffle came in. The wiring is kind of messy, but it still looks pretty neat." [via] - Link.
From the pages of MAKE:
- Mint-Tin Amp. Pocket amplifier punches up headphones. MAKE 04 - page 191. Subscribers--read this article now in your digital edition or get MAKE 04.
Posted by Phillip Torrone |
Jan 16, 2007 10:07 AM
DIY Projects, Electronics, iPod |
Permalink
| Comments (0)
HOW TO - Build BEAM Vibrobots
Gareth writes -
"I posted another how-to on Street Tech related to my MAKE BEAM articles. This one is on Vibrobots, a type of solar-powered bot that gets around by using pager (or other DC) motors that have vibration weights on their shafts. The control circuit is the same one I talk about in my BEAM articles in MAKE Vol. 6 and the Vibrobots I feature are built by Zach Debord, the guy who made the Pummers pictured in my Pummers article in Vol. 8." - Link.
Related:
- Pummer! Part robotic plant life, part techno-sculpture, these desktop toys are easy and fun to make. MAKE 08 - page 84. Subscribers--read this article now in your digital edition.
Posted by Phillip Torrone |
Jan 16, 2007 09:21 AM
DIY Projects, Electronics, Robotics |
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| Comments (0)
HOW TO - Make a projector clock
Here's how to make a really simple projector clock (displays the time on the wall) - Link.
Posted by Phillip Torrone |
Jan 16, 2007 07:20 AM
DIY Projects, Electronics |
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| Comments (0)
Digi-Key updates - ordering parts is a little easier
Ordering parts is sometimes the hardest part when doing projects, Digi-Key recently updated their site making searching for things a little easier... Eventually we'll do a screencast of a parts ordering session to show how "fun" it can be looking for the best and cheapest parts. [via] - Link.
Related parts:
Posted by Phillip Torrone |
Jan 16, 2007 03:11 AM
Computers, Electronics, Online |
Permalink
| Comments (3)
January 15, 2007
HOW TO - Make an Altoids tin morse code oscillator
Nginuity from the Hacked Gadgets forums made a fun Altoids tin morse code oscillator...
"I finally finished that morse code oscillator I was working on. It works okay for what it is, but I have some serious heat dissipation issues I need to look into for next time. The caps going to ground get real hot if I keep the morse keyer depressed, and, the pitch gets higher as it heats up too. That 500 ohm pot is REAL hot to the touch. I think with beefier components (I was thinking of replacing the ceramic caps with tantalum), and a diode in between pin 7 and pin 2 of the 555 timer, and a zener diode between pin 2, and the 15 K resistor will bring down the heat a bit. The diodes were suggested for a more stable duty cycle anyway. " [via] - Link.
Related:
- Video: Morse coders beating SMSers - Link.
- Morse code - text to MP3 and learn morse code! - Link.
- DIY Morse code Palm keyboard interface board - Link.
- -- --- .-. ... . -... . .- - ... ... -- ... - Link.
- Make Morse Code Music - Link.
- Fun with flashing lights - Link.
- This is not your grandfather's HAM radio... - Link.
- Simple Working Telegraph System - Link.
- HOW TO - Build a computer controlled radio transmitter - Link.
- Mint tin projects... Link.
Posted by Phillip Torrone |
Jan 15, 2007 09:28 PM
Altoids and tin cases, DIY Projects, Electronics |
Permalink
| Comments (1)
HOW TO - Make a LED Bike light system
Joe writes -
"This can be made to be just a headlight or both a headlight/taillight bike light system.
My NiteRider light was off getting fixed at the factory and I needed something for my daily commute. I have used it in a 45 minute pouring rain commute on the way in to work and it worked like a champ." - Link.
Related bike illuminating projects for your bicycle:
- HOW TO - Make the ultimate 18v Bike Light! - Link.
- Tape case bike light - Link.
- HOW TO - Make a 40-LED bicycle light - Link.
- Antique bike light LED mod - Link.
- Make a Bike light holder/connector for ... - Link.
- HOW TO - Blinking cruiser bike light - Link.
- DIY solar bike light - Link.
- HOW TO - Make a solar bike light - Link.
Posted by Phillip Torrone |
Jan 15, 2007 08:56 PM
Bicycles, DIY Projects, Electronics, Instructables, Transportation |
Permalink
| Comments (0)
Hack this CMOS tiny camera module contest complete...
-soapy writes in noting that after many months the tiny CMOS camera challenge was figured out -
"Just for closure, here's the discussion forum thread that tells you the answers, as this was reverse engineered after a little more than 5 months." - Link.
The contest:
"This is a 640x480 pixel resolution CMOS camera used in the Samsung E700 cellular phone. While 0.3 mega pixels may not sound like a lot, this module is one of the smallest, lowest cost CMOS imaging modules currently available to the embedded market...We would like to announce a $200 prize to the first user capable of capturing an image on the new CMOS digital camera. This 640x480 camera is extremely small, low cost ($19.95), and based on proven cellular technology." - Link.
In the forums someone is trying to get it to work with a Gumstix, and an ARM+AVR combo!
Posted by Phillip Torrone |
Jan 15, 2007 07:51 PM
DIY Projects, Electronics, Imaging |
Permalink
| Comments (7)
Lego Birdcam
John dug up some pics of his lego birdcam, one of the lego cams has a pan/tilt function.
Way back in 2002, a couple of pigeons decided to make one of our flower pots their nest, so I took a couple of Lego Cams, one motorized, one not, and documented the laying and hatching of the eggs. The cool thing about it is that the birds thought of the cams as part of the family! - Link
Posted by Bre Pettis |
Jan 15, 2007 05:16 PM
Electronics |
Permalink
| Comments (0)
HOW TO - Use a driver's license as an Ableton Live MIDI controller
Derek writes in with this awesome ribbon controller that could be hiding in your wallet... -
"Using the magnetic strip on the back of my driver's license to make a ribbon controller which then controls Autofilter in Live 6 via MIDI.
5v is connected to one side of the license's mag strip, ground to the other. The 3rd alligator clip is connected to one input of an ADC0808 8 bit parallel ADC with is being clocked by a Ubicom SX microcontroller, the other end to the silver tape on the license (the sliver tape is metal tape for duct work, etc., available at Lowe's, Home Depot, etc.). Bridging the tape with your finger makes the ADC "see" the voltage at that point." - Link.
Related:
- Check out his other great videos too! Paper, pennies and other MIDI controls! - Link.
- Code and more here - Link.
Posted by Phillip Torrone |
Jan 15, 2007 01:55 PM
DIY Projects, Electronics, Music |
Permalink
| Comments (1)
Nike+iPod dissection & more
Nathan from Spark Fun Electronics writes in with some great hackery on the Nike+iPod device...
"In the tradition of 'you buy it, we'll break it', we've gotten our hands on one of the nifty running accessories for the iPod. You put a small widget in your shoe, plug a piece of plastic into your iPod, and your iPod will tell you how far you've run. Sound simple? Well the hardware is actually surprisingly simple!"
They even made a great mod...
"...A USB to serial adapter to talk directly to the Nike+iPod receiver. Now we just have to wait for the PCBs to come in...
I like this idea a lot. Where RFID requires you to physically get near a reader, this active foot pod can transmit over 10-20ft. You don't need to think about getting an RFID card out of your wallet, you just let your shoes do the talking."
Nike+iPod dissection - Link.
More dissections:
- Wii-mote guts - Link.
- Wii gutted - Link.
- PS3 gutted - Link.
- Zune gutted - Link.
- Xbox 360 gutted - Link.
- PS3 (Playstation 3) controller & iPod shuffle 2.0 taken apart - Link.
- Take apart a Nintendo DS in 13 minutes (video) - Link.
- Sony Reader Internals 2.0 (pics!) - Link.
Posted by Phillip Torrone |
Jan 15, 2007 12:18 PM
DIY Projects, Electronics, iPod |
Permalink
| Comments (1)
EEG & EKG schematics
Adam writes -
"I developed my 4-channel, dual-purpose EEG/ECG box between September 2003 and March or April of 2004 with the gracious help of David Rosenboom at Calarts for use in my Medi[t]ations sound performance series. We combined schematics from his book Biofeedback and the Arts (available thru Frog Peak Press) with schematics from the article "Computers On The Brain" by Steve Ciarcia (in the June 1998 issue of BYTE magazine). We are also indebted to Ronald Kuivila who was instrumental in unlocking the mystery of how to get the low-frequency audio signal into my computer and subsequently into SuperCollider..." Thanks Dave! - Link.
Related:
- Homemade Electrocardiograph - Link.
- DIY ECG Electrocardiograph kit - Link.
- Low cost ECG Tester - Link.
Posted by Phillip Torrone |
Jan 15, 2007 11:02 AM
DIY Projects, Electronics |
Permalink
| Comments (1)
Guide to Field Soldering
Stone3408 writes:
"This is a kit that will allow you to do many soldering tasks in the field, cost about $8.00, and it all fits in an Altoids tin! I've used this same set of stuff for years now and was inspired to share it based on a recent instructable on soldering (an outstanding one). This instructable goes one step further in building a portable helping hand, solder dispenser, and assembling all the other tools that you will need to get things done in the field.
Let me add at this point I know this not the best way to solder and this method has its limitations. It is however the best way to fix surveillance equipment at 3 a.m., in the back of a van, in the dark. I can testify to that. Good times. I was a tech for an undercover narcotics unit for five years and this method came through for me many times." - Link.
Related:
- It's Learn To Solder Month! - Link.
- Soldering Tutorial PDF - Link.
- Soldering Tutorial - Make Video Podcast - Link.
- Soldering how-tos, tutorials and more @ MAKE - Link.
From the pages of MAKE:
- Soldering and Desoldering. Step-by-step instructions for making (and unmaking) the perfect solder joint. MAKE 01 page 166. Subscribers--read this article now in your digital edition or get MAKE 01.
Posted by Phillip Torrone |
Jan 15, 2007 10:55 AM
Altoids and tin cases, DIY Projects, Electronics, Instructables |
Permalink
| Comments (1)
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