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Archive: DIY Projects
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March 28, 2007
DIY Coffee - a MAKE PDF
We have a caffeinated collection of coffee related projects from the pages of MAKE in PDF form, if you have every MAKE you likely don't need this, but if you don't - we've collected 5 great projects and have them available for $4.99 (if you're a Tips-N-Tools newsletter subscriber there's a discount code coming for that so hang tight)...
I'm going to have a post about each project, today's is: The Coffee Roaster - To experience coffee nirvana, roast your own beans with this cheap, portable coffee roaster.
DIY Coffee collects five hot MAKE magazine projects to supercharge your java:
- Home-Build Coffee Roaster
- Bottomless Espresso Portafilter
- Toaster Tea Popper
- Perfect Espresso Temperature Hack
- Web-Fired Coffee with X10 Automation
Got a jones for caffeine and technology? Mod your espresso machine to dial in the perfect shot, with precise temperature control and a filter hack that kicks out maximum tasty crema. Roast your own with a hand-built custom coffee roaster. Hack a toaster timer to perfect-brew your tea every time. And fire up your coffee pot from the internet using X10 automation. Using home-grown techniques and off-the-shelf parts, caffeine junkies will find everything they need to overclock the fix from their favorite shade-grown beverage.
DIY Coffee - a MAKE PDF - Link.
Posted by Phillip Torrone |
Mar 28, 2007 05:40 AM
DIY Projects, MAKE Store |
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HOW TO - Run AppleTV on a Mac mini
Here are a couple AppleTV hacks and a special how-to from Dave on running AppleTV on a stock Mac mini!
Here are the steps I took to get the Apple TV OS working on my Mac mini. Just so you know, I have a core solo Mac mini - stock configuration.More:I started on this site - Link.
It mentions there is a hacked Finder app floating around the web.
I booted up the Mac mini. Copied the AppleTV OS disk image over to it. I also copied the new Finder file to it (note: don't change the name of the finder file).
I didn't reinstall the OS - I just took what I had. Before you do anything, I'd enable file sharing, remote access, ssh, the whole thing. That way you should have access to the box after the mod has been done.
I then followed the steps listed at the URL above. So the first two steps were:
cd /Volumes/OSBoot/System/Library/CoreServices/
sudo cp -pr ./Finder.app /Volume/FreshOSX/System/Library/CoreServices/.The next step, which has you cd to the directory and overwrite the finder file within the Finder.app, I actally did this remotely
To do this, I killed the finder in the Activity Monitor.
I then Connected to the Mac Mini from my Mac pro and made the copy from there. I actually did this from the Mac Pro's finder.
Then, I returned to the instructions and did:
sudo chown root:wheel Finder
sudo chmod 755 FinderI finished with the final three terminal commands and rebooted. Works perfectly.
One minor thing, in the instructions, I changed 'Volume' to 'Volumes' anywhere it referenced the FreshOSX volume. I don't know if that was an error on their part.
Posted by Phillip Torrone |
Mar 28, 2007 02:52 AM
Computers, DIY Projects |
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March 27, 2007
HOW TO - Make a rusty nail LED night light
Dick shows you how to make your own rusty nail LED night light!
These blocking oscillator type power supplies work best with ferrite cores, and sometimes they can be hard to locate. Some readers have expressed anxiety over making inductors, and that is understandable since to many, inductors have an aura of mystery about them.Just to prove that these inductors aren't magic, or even that critical for that matter, I wound one on a rusty nail that I noticed laying beside the road one day while waiting for a tow truck. It is a 2-1/2 inch (6.5 cm) long flooring nail, which serves as the inductor's core.
The wire is a twisted pair of #24 solid copper wire that I pulled from a length of CAT-5 (ethernet) cable, which is similar to the wire used to connect telephones inside buildings. I wound 60 turns of the twisted pair in about three layers around the flooring nail, then I connected the start end of one conductor to the finish end of the other conductor and that made it into a 120 turn center tapped inductor.
I connected it to a 2N2222, a 1K resistor, a 1.5 volt penlight cell, and a white LED. Nothing happened. Then, I put a .0027 uf capacitor across the 1 K resistor (it happened to be on the work bench) and the LED came on. Sometimes you need .001 uf or so. The LED glows nicely and the circuit draws 20 milliamps from the AA cell. The waveform on the oscilloscope looks terrible, but the point is that the circuit oscillated with even this rusty nail, and it boosted the output of the 1.5 volt AA cell to over 3 volts peak to drive the LED.
Those who are familiar with some aspects of coil core selection would quickly point out that the eddy currents would be huge since iron has a low resistance compared to ferrite, or air for that matter, and that there would also likely be other types of large losses. The point here is not that you should run out and buy some flooring nails to make LED lamps, but that this circuit was not "designed", but was thrown together and worked quite readily. If a rusty nail and some telephone wire is enough to light up a white LED, then the inductor is not so critical. So, relax, go buy a ferrite core and get started on your project.
Rusty Nail LED Night Light - [via] - Link.
Posted by Phillip Torrone |
Mar 27, 2007 06:42 PM
DIY Projects, Electronics |
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Whoosh Boom Splat
Make contributing editor Bill Gurstelle's new book, Whoosh Boom Splat - The Garage Warrior Guide to Projectile Shooters is
coming to bookstores today (March 27).
It's everything you need to know when you're in the mood to build homemade machines ranging from the high-voltage Night Lighter-36 spud gun to the Jam Jar Jet, the Marshmallow Shooter, and the Yagua Blowgun. Each chapter includes detailed diagrams and supply lists, and simple, step-by-step instructions to help Makers of every skill level achieve impressively results.
The video is really funny, please wear safety glasses.
William Gurstelle: Books / Whoosh Boom Splat - Link.
Posted by Phillip Torrone |
Mar 27, 2007 02:41 PM
DIY Projects, MAKE Playlist |
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Reuse old printer ribbons and video tape to make rope!
Lennyb writes -
Reuse old printer ribbons and video tape to make rope! no im not talking about dot matrix ink ribbons {although they will work it would just be messy} im referring to the one you get from those little photo printers like the canon selphy or the kodak printerdock also the standalone printer kiosks at walmarts across the continent have the same system. im going to show you how to make a machine to do this...
Reuse old printer ribbons and video tape to make rope! - Link.
Posted by Phillip Torrone |
Mar 27, 2007 10:53 AM
Computers, DIY Projects |
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AppleTV OS on a Mac mini
There is a copy of the AppleTV OS floating around on the torrents now and some folks are yoinking it off their AppleTV to see what happens when the run it on their Macs, el frijole writes...
This is what happened when I loaded the AppleTV OS onto a partition on my Mac mini.Here's what I had to do to get this:
1) hold down option for the bootloader
2) pick the "OSBoot" partition
3) hold apple-v to induce verbose mode
4) while the EFI is loading (the driver loading screen ), unplug the keyboard
5) wait, and watch.I think there's some more work to be done.
AppleTV OS on my Mac mini on Flickr - Link.
Posted by Phillip Torrone |
Mar 27, 2007 12:39 AM
Computers, DIY Projects |
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March 26, 2007
CoilOsapien - Robosapien V2 Coilgun
Remember that CoilOsapien - Robosapien coilgun? Well, here's how to make your own - [via] Link.
Posted by Phillip Torrone |
Mar 26, 2007 10:01 PM
DIY Projects, Electronics, Robotics |
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MIDI Kits: MPA: 4 x potentiometer output MIDI decoder
This MIDI Decoder from Highlyliquid is for DIY filter circuits, circuit bending, and MIDI-to-DIN sync conversion - Link.
Posted by Phillip Torrone |
Mar 26, 2007 08:01 PM
DIY Projects, Electronics, Music |
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HOW TO - Make a 120,000 Volt Van De Graaff generator
Here's how to make a 120,000 Volt Van De Graaff generator using metal mixing bowls, PVC pipe, a bucket, a 540 size motor, copper wire brushes and a pair of pantyhose - Link.
Posted by Phillip Torrone |
Mar 26, 2007 04:59 PM
DIY Projects, Electronics, Instructables |
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How green are your green electronics?
5volt writes -
Are electronic devices really in a very low power mode when on stand-by? Also, how much energy am I wasting for powering devices when not in use?I wanted to check it out and decided to build a device capable to detect stand-by mode of my electronic devices and start metering energy used. All this had to be done automatically without my intervention. Metering would start upon entering stand-by and stopped upon exiting.
To do so I needed an energy meter and a current gauge to monitor the current of mains supplied devices and start/stop metering.
For the meter I first looked for silicon, of course. Energy metering is a hot issue with a lot of chip makers and many of them supply cheap solutions.The project was proceeding when recently I was lucky enough to find two electromechanical meters at a local special trash collecting center (electrical, white goods, furniture).
Actually there should be a plenty of these scrap meters available here as the local electric company is replacing these meters with remotely controlled electronic meters.
I took them along with two VCRs and a printer. The first meter I opened and dismantled to satisfy my inner primary need. The second meter I decided to use in place of the silicon-based one; also, the ready made electromechanical meter solved the calibration issue.
How green is my green electronics - Link.
Posted by Phillip Torrone |
Mar 26, 2007 02:58 PM
DIY Projects, Electronics |
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| Comments (1)
Automatic object movie rotary table
MAKE Flickr photo pool member Zwdeal writes -
This is my latest hobby proejct -- automatic object movie rotary table. It has a photo sensor and will sense flashes going off and in turn rotate an object placed on the disk (or on top of a card board for background).
Automatic Object Movie Rotary Table - Link.
Posted by Phillip Torrone |
Mar 26, 2007 12:58 PM
DIY Projects, Electronics, Gadgets |
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Wireless home router with analog utilization meter
Radiorental made an amazing wireless home router with analog utilization meter...
I grew up in and around boats making wiring looms and control panels, and have a collection of gauges & dials that would normally be found connected to small marine diesel engines.Today I work as a designer building interfaces to networking equipment. As such, I like re-using the old analogue gauges to display network information in a more human readable analogue form. Tying my past to the present to some degree.
I used a 3" rev counter, simple clean design, that came of one of the boats my dad owned when I was a kid and wired it in to a wireless router I had lying around at work.
The rev counter is a rough approximation of the traffic utilization between my home network and the internet.
Wireless home router with analogue utilisation meter - Link.
Posted by Phillip Torrone |
Mar 26, 2007 11:00 AM
DIY Projects, Electronics, Gadgets, Wireless |
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| Comments (2)
MiniPOV3 kit (instructions)
We're slowly getting more of our kit documentation up on Instructables, here's the MiniPOV kit - this is an inexpensive Persistence of Vision (POV) toy, which is designed for beginners in electronics. You swing this little thing around to reveal a customizable message or image through it's 8 red LEDs. It has 4 holes for mounting on bikes, fans, and anything else that swings around. You can purchase this kit from the Make Store.
This project is the third revision of the MiniPOV. This version is nearly identical to the last version, MiniPOV2 but uses the serial port (possibly with a USB/Serial converter) instead of a parallel port, for programming. Because the programmer is built into the kit, one does not need a special "microcontroller programmer". This version can be used with PCs (Linux/Unix or Windows) and Macs (running MacOS X and with a USB/serial converter).
MiniPOV3 Kit Instructable - Link.
Related:
MiniPOV3 kit - Link & get it at the Maker store.
Posted by Phillip Torrone |
Mar 26, 2007 10:58 AM
DIY Projects, Electronics, Instructables, Kits |
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| Comments (3)
DIY battery charger
Here's a nice battery charger, digital control, full PCB files and firmware and documentation! - Link & translated site.
Posted by Phillip Torrone |
Mar 26, 2007 08:54 AM
DIY Projects, Electronics |
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| Comments (0)
No-friction bicycle dynamo light kit
Here's a kit (and how to make) a no-friction bike light dynamo. Learn about electromagnetic induction and make a bike light! - Thanks Hone Link.
Posted by Phillip Torrone |
Mar 26, 2007 04:53 AM
Bicycles, DIY Projects, Kits |
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| Comments (8)
Kacie's left handed violin
Tho writes -
Does this qualify as a Make project? It started as a kit for a regular violin, but I mod it into a left hand violin. Unfortunately, since it is a kit and not a finished product, I couldn't violate any warranty of the kit's manufacturer. I hope it still qualifies as a Make Project. Makers Rules!
kaciefiddle - Link.
Posted by Phillip Torrone |
Mar 26, 2007 02:52 AM
DIY Projects |
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| Comments (2)
March 24, 2007
How to improve it? Ask those who use it - New York Times
Great NY Times article about User-driven innovation featuring Instructables and a mention of the MintyBoost kit we have here @ MAKE!
Pictured here, Eric von Hippel of M.I.T., left, and Dr. Nathaniel Sims, with hospital devices Dr. Sims has modified. Mr. von Hippel says users can improve on products - by Rick Friedman for The New York Times.
How to Improve It? Ask Those Who Use It - New York Times - Link.
Posted by Phillip Torrone |
Mar 24, 2007 12:30 PM
DIY Projects, Electronics |
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| Comments (3)
March 23, 2007
Violating my Apple TV Warranty in 4 easy steps
Erica writes-
If you feel like violating your AppleTV warranty, here's a quick how-to. You'll need:
- One Apple TV
- A putty knife (optional)
- A set of Torx screwdrivers
2. Peel the rubber backing off the bottom of the unit. I used a putty knife to get things started, but if you have good nails or better dexterity, you can probably skip the putty knife.
3. Use a small Torx wrench (T10) to remove the four corner screws. The screws come in 2 different sizes, so make a note of where each screw originated.
4. Gently pry off the back panel. There's a ribbon cable holding the disk drive (on the back panel) to the rest of the unit, so use caution.
When you're done oggling, replace the back panel and tighten the screws back in place and gently return the rubber backing into place.
Posted by Phillip Torrone |
Mar 23, 2007 12:00 AM
Computers, DIY Projects, Gadgets |
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| Comments (4)
March 22, 2007
Nixie tube take-apart
Evil Mad Scientist Laboratories has a fantastic Nixie tube take-apart article and photo set --
Don't you just love nixie tubes? They glow with a lovely neon color and have gorgeous stylized numbers-- something you can't get with a dot matrix-- or even sixteen-segment LED or LCD display.Recently, we disassembled a well-loved tube when there was a photogamer challenge to break something, and so we had a chance to peek inside and look at how they are made.
Warning: This article contains graphic images of the dissection of vintage electronics which may be disturbing to some viewers. (No working nixies were destroyed in the making of this article.)
Evil Mad Scientist Laboratories - Nixie tube take-apart - Link.
Posted by Phillip Torrone |
Mar 22, 2007 06:40 AM
DIY Projects, Electronics |
Permalink
| Comments (1)
Jacket cuff lights: Convenient illumination
MAKE pal Natetrue sent in his latest, cuff lights -
We've all been there. Fumbling around in a dark parking lot, trying to find the keyhole on the car door or mailbox. Sure, you'd use a flashlight, but who has the room for those bulky outlines?Granted, the cuff lights aren't the most practical of solutions but they're damned cool. They're hidden in your jacket cuffs, invisible and perfectly comfortable, just waiting to be activated with a little sideways pressure.
Words don't do this little hack justice...
cre.ations.net - Creation: Jacket cuff lights: Convenient Illumination - Link.
Posted by Phillip Torrone |
Mar 22, 2007 02:36 AM
DIY Projects, Electronics |
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| Comments (2)
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