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Archive: DIY Projects
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February 13, 2008
Stereo PWM Audio
Dane has another interesting project that asks the question "Can PWM from a simple micro-controller duplicate complex sounds?" The answer is yes, with surprising results.
Wouldn't it be sweet if you could have your micro play back complex things, over audio for an extremely low cost? Imagine replacing that one i/o line that used to drive an led, be able to reproduce the human voice and exclaim "Hello world",
PWM with an AVR - Link
Posted by Marc de Vinck |
Feb 13, 2008 01:00 AM
DIY Projects, Electronics, Music |
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| Comments (3)
February 12, 2008
Physical drum loop
I had doubts that Matt Mets could pull off an awesome hardware project every day for Thing-a-Day, but he's doing a pretty stellar job so far; keep it up! He made this drum loop recorder that records physical inputs and plays them back in a loop using an Arduino Barebones board. Source code and schematic included - Link.
Related:
Solenoid concert - Link.
Posted by Becky Stern |
Feb 12, 2008 07:00 PM
Arduino, DIY Projects, Electronics, Music |
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Low frequency percussion mic
From the MAKE Flickr pool
Member Aud1073cH writes -
My DIY low frequency speaker microphone, inspired by the Yamaha Subkick. I feel this one is much better with a dual coil woofer allowing for coil selection, damping, and input modes. Also has its own DI circuit for use as a DI and speaker, and a balanced output. Pad, phase flip, and ground lift included.He's also created an instructable for the project. Nice remake!
SPKR MiK on Flickr -Link
SPKR MiK on Instructables -Link
Subkick on Yamaha.com -Link
Posted by Collin Cunningham |
Feb 12, 2008 02:30 PM
DIY Projects, Music |
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| Comments (1)
NASA Workmanship pictorial reference
NASA has a "Workmanship" section of their site to "illustrate some of the reasons behind NASA's workmanship and process requirements. The pictures contained in these pages are actual images of space flight hardware that failed during testing (primarily during vibration or thermal cycle environmental tests). The troubleshooting and repairs necessary to restore the hardware to flightworthy conditions are usually a substantial cost and schedule impact on the affected Programs". Amazing stuff! - NASA Workmanship pictorial reference - [via] Link & more.
Posted by Phillip Torrone |
Feb 12, 2008 10:00 AM
DIY Projects, Electronics, Science |
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| Comments (7)
LED Motorcycle Tail Light
Here is how to make an LED brake light for your motorcycle. It doesn't have detailed schematics, but there is a nice photo gallery of the build process. There are several advantages to using LED's according to the author:
- Instant-on - There is no filament to heat up, so the light comes on immediately. This should attract others drivers' attention.
- Uniform brightness - By using 80 LEDs, I can fill the taillight evenly with light, thereby making the most of the limited area I've got.
- Higher brightness - I can make the brake light brighter than stock.
- Lower power - At maximum brightness (which I won't use), this light takes 20 Watts -- less than the 35 Watts the normal taillight takes.
Make a LED Motorcycle Tail Light - Link
Posted by Marc de Vinck |
Feb 12, 2008 03:00 AM
DIY Projects, Electronics, Transportation |
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How To - Make slide projector
Here is a simple slide projector made from some common, and some not so common parts. Dane used an outlet box as the enclosure, which certainly is easy to find around the workshop. Now, if only slide projector lens was as easy to come by. - Link
Related
Homemade LED slide projector - Link
HOW TO - Make a slide projector
Posted by Marc de Vinck |
Feb 12, 2008 01:00 AM
DIY Projects |
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February 11, 2008
HOW TO - LED firefly pendant
Instructables user clamoring made this fantastic LED firefly pendant using both stained glass and electronics techniques, plus a great tutorial for putting it all together - Link.
Posted by Becky Stern |
Feb 11, 2008 09:00 PM
Arts, Crafts, DIY Projects, Electronics |
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HOW TO - Servo as input device
Matt Mets made this neat video about using a servo motor as an input device for keyframing a robot animation. He writes:
By reading the voltage from the center pin of the the servo's potentiometer, it can be used as an input as well as an output device. Basically, you get a bunch of extra positional sensors 'for free'. Some things that I could see this being useful for are:
1. Collision detection on unpowered arms (or even poor man's torque detection by measuring the difference between what you requested and the actual position, assuming the servo doesn't break).
2. Physical keyframing; you move the arms of the thing you are animating manually, then press a button to record that position, repeat a number of times and then have the computer play it back (see video)
3. Haptic feedback, if you can control the servo fast enough (doubtful, but worth a try).
Servo as input device for programing robot movements - Link.
Posted by Becky Stern |
Feb 11, 2008 07:00 PM
DIY Projects, Electronics, Robotics |
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Toastmaster skateboard
From the MAKE Flickr pool
E Rice writes:
The body is made from a 50's Toastmaster, and features 10 LEDs controlled by a toggle switch modified to fit in with the toaster's original controls (darker toast = off, lighter toast = on) The tentacles are various sizes of conduit, and can be positioned in a number of ways. Everything sits atop the board which was hand painted to resemble a Wonder Bread package.
Board 6 on Flickr -Link
Posted by Collin Cunningham |
Feb 11, 2008 03:00 PM
DIY Projects |
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Water mortar
From the MAKE Flickr pool
Another thing I wish I had when I was a kid. CMorris writes:
This water mortar is made from PVC using a variation on Kaden's drill press lathe technique from "Eccentric Cubicle." The finished product launches over a quart of water per shot!Just make sure you soak your enemy with that first shot. Refill times will leave you very vulnerable. -Link
From The Maker Store:
Eccentric Cubicle @ the Maker store - Link
Posted by Collin Cunningham |
Feb 11, 2008 01:28 PM
DIY Projects |
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Etched glass LED door
Think of it as a 21st century take on '70s van art, for your dining room.
Modding my apartment. (Making a new door) [via] - Link
Posted by Gareth Branwyn |
Feb 11, 2008 12:00 PM
DIY Projects, Electronics |
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| Comments (6)
HOW TO - Make short range "personal radar"
Chris shows you how to make a really interesting close "proximity radar system" using IR - Link.
Related:
Make - Volume 10 - Radar Speed Detector (DIY: Circuits) (Page 148) - Link.
Posted by Phillip Torrone |
Feb 11, 2008 09:00 AM
DIY Projects, Electronics |
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| Comments (4)
HOW TO - Make a soft-circuit LED bracelet
REACTIVEFashion shows you how to make a soft-circuit LED bracelet -
Do you like crafting or sewing? Do you love LEDs? Well, why not combine your passions with this 'wire-free' LED bracelet!HOW TO - Make a soft-circuit LED bracelet - Link.Here's a quick and relatively easy soft-circuit project we led a workshop on in April 2007. Have a little fun with conductive thread and 'sewing' circuits and make a cool battery-powered LED cuff to wear out and about. It is only powered while you are wearing it because the fastener acts as a switch. No soldering/wiring required!
Related:
Craft - Volume 6 - Teddy Bear Remote Control (DIY: Hide It) (Page 103) - Link.
HOW TO - Make and use conductive glue and thread - Link.
Posted by Phillip Torrone |
Feb 11, 2008 08:00 AM
Crafts, DIY Projects, Instructables |
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| Comments (0)
Phone to ethernet hack makes you more connected
Although we still think it's cooler if you could change everything you own to transmit a wireless signal, this phone line to ethernet wiring hack is pretty nice. Of course it's mainly useful for transmitting large files back and forth across your local network, but if you need to be wired for any reason this might be a faster way of connecting up your home.
Condo Phone Line Hack - [via], Link
Posted by Jonah Brucker-Cohen |
Feb 11, 2008 08:00 AM
DIY Projects |
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Build a bat-house
Birdhouses are quite nice and all, but isn't it about time we showed some love to nocturnal flyers? The design for a bat house is much different from the usual bird types -
You might be surprised: bats don't always live in caves. Some bats spend winter months in caves, but most bats spend summers in trees, under bridges or in old buildings, where they give birth and rear young. Your goal is to make a bat house that mimics the space between bark and a tree trunk. That would be the bats' ideal nursery. That's why the space inside a bat house is very narrow, unlike a bird house which would house a nest. Bats like tight spaces. They also need it nice and warm for the babies. That's why we paint the box a dark color in most climates and why we caulk the sides to keep the heat in. Also, you'll be using a saw to rough up inside the box. That makes it more like tree bark and easier for the bats to climb up.And hey, bats can consume 500 - 1,000 mosquitos in an hour. That's a welcome practice around most woodsy dwellings.
- Bat House(s) on Ben's world -Link
- Why I Built A Bat House - National Wildlife Federation -Link
- PDF guide, instructions @ Bat Conservation International -Link
Related:
Make Podcast: Weekend Projects - Batometer -Link
Posted by Collin Cunningham |
Feb 11, 2008 05:00 AM
DIY Projects, Green |
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| Comments (2)
DIY iMac
This is a nice, and cheap, way of making your own iMac. Of course the specs aren't the same, and loading a CD would be pain, but it is an all-in-one computer.
The Mac mini is so small that you can put it in a lot of interesting places, even on the back of a flat panel monitor! You could buy custom-molded mounts online, but they'll run you about $50 with shipping. Being cheap creative, I made my own for under $10!
DIY iMac on the cheap - [via] Link
Posted by Marc de Vinck |
Feb 11, 2008 01:00 AM
Computers, DIY Projects |
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HOW TO - Make "Joy Slippers" - draw with your feet
Plusea shows you how to make slipper that you can "draw with" -
This Instructable will show you how to make a pair of cozy slippers that are designed with two analog inputs each that sense the pressure being weighted from the body on either the toe-ball or the heal of the foot.HOW TO - Make "Joy Slippers" - Link.Later steps in this Instructable will show you how to feed this analog input into your laptop via an Arduino physical computing platform. There are many things that you can do with this input, and I hope to bring out a few interesting applications in the next weeks. This Instructable features a simple drawing application that allows the wearer to control the direction of a line being drawn in real-time and thus draw, using the weight on their feet, in a very simple etch-a-sketch fashion.
Related:
Get an Arduino @ the Maker store - Link.
Visit our Arduino guide! - Link.
Posted by Phillip Torrone |
Feb 11, 2008 12:00 AM
Arduino, DIY Projects, Electronics, Gadgets, Open source hardware |
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| Comments (2)
February 10, 2008
HOW TO - Make a Polaroid "web cam"
Mark outfitted an old Polaroid with a more modern camera for his laptop, nice case mod - Link.
Related:
No more Polaroid... instant film - and MAKE's look at Polaroid projects - Link.
Posted by Phillip Torrone |
Feb 10, 2008 03:50 PM
DIY Projects, Electronics, Imaging |
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| Comments (0)
MAKE Flickr pool weekly roundup
It's been another week packed with maker ingenuity! We've seen some great-looking projects - Have a gander and check out anything you might have missed.
Keep submitting your projects for a chance to win an Eye-Fi card or Flickr Pro account in the MAKE Flickr photo pool contest.
- Board-less radio transmitter -Link
- DIY sandblast booth -Link
- Miniature Silo Station (pictured above top-left)-Link
- Teapotus Noisus (pictured above top-right) -Link
- Oscilloscope restoration -Link
- Retrofit an old camera lens -Link
- Panoramic pinhole camera -Link
- USB monkey (pictured above middle-right) -Link
- The electronic snowman? -Link
- Custom Harmonica Mic (pictured above bottom-right)-Link
- Space Invader cookies (pictured above middle-left) -Link
- DIY Photo Snoot -Link
- Hexateuthis, a robotic hexapod (pictured above bottom-left)-Link
- Matchbox Synthesizer -Link
Posted by Collin Cunningham |
Feb 10, 2008 02:30 PM
DIY Projects, Imaging |
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| Comments (2)
Greener gadgets design competition results
The winner looks like a MAKE project, woo! -
The EnerJar took top prize of the design competition—both a favorite of the judges and the crowd at the Greener Gadgets Conference in New York City. The EnerJar is an easy-to-build, DIY device that accurately measures the power draw of electrical appliances. Sitting between any wall outlet and the appliance (think blowdryer versus laptop), the EnerJar helps users gain an understanding of power draw, investing them in the knowlege, and leading them to reduce their electricity use.Greener gadgets design competition results - [via] Link & the gallery!
Posted by Phillip Torrone |
Feb 10, 2008 02:20 PM
DIY Projects, Electronics, Gadgets, Green |
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| Comments (7)
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