9 Kick-Ass DIY Projects to Get Your Hack On
9 Kick-Ass DIY Projects to Get Your Hack On
Posted 09/22/2009 at 7:00am
| by Alex Castle, Norman Chan, and Florence Ion
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These 9 amazing DIY projects will give new meaning to your old hardware
Techies are too often tempted by the lure of new technology, leaving perfectly good hardware drifting in the wake of compulsive upgrading. And while we love getting new gadgets as much as the next geek, we also like how a new purchase gives us the opportunity to take apart and tinker with our older gear in the Lab. Whether it’s by soldering circuit boards or loading open-source firmware, we pride ourselves on being able to stretch the lifespan of older electronics by performing undocumented (and sometimes warranty-breaking) hardware hacks.
The projects we’ve included here range from relatively safe software tweaks to more challenging technical exercises. You’ll learn how to bend USB connections to your will and imbue home routers and digital cameras with robust new features. We’ve also taken some inspiration from projects we’ve seen online, including building a blue laser gun and making a digital picture frame you can mount on the wall of your office. These hacks will help you showcase your craftiness and give you a better understanding of how your electronics work. And the best part is that your old hardware will be faster, cooler, and more awesome afterward.
So, let’s get hacking!
Power Everything with USB
A simple first modification for budding do-it-yourselfers is to alter a non-USB gadget so that it can be run off of USB power from your computer. This mod is fairly easy to perform and is an important part of many more-complicated DIY projects, such as the USB charger on the next page. Here, we show you how to use USB to power a desk fan and book-light lamp.
First, a quick primer on USB power. Any USB cable (2.0 or 1.0) is composed of four wires—two for data and two for electricity. The power is delivered across the outer two pins—a +5-volt wire and a ground. USB connectors are configured to provide 100 milliamps of current through these pins when in “low-power” mode or 500 milliamps in “high-power” mode. Although some USB connectors will provide maximum power without any questions asked, most won’t unless the USB device requests high power using the proper protocols. Most USB hacks aren’t that sophisticated, and are therefore limited to about 100-200 milliamps of current.
One last warning: An improper USB mod that results in a short circuit can fry your USB port or even your motherboard. So make absolutely sure that all wires are spliced correctly and that any exposed copper is covered with electrical tape or heat-shrink tubing.
Case-Fan Desk-Fan
Our first project is to turn a case fan into one we can use on our desk to keep us cool as we work. All that’s needed is a 5-volt case fan (preferably with grill) and an unused USB cable.
(image A)
First, you’ll have to expose the four internal wires in your old USB cable, so snip it near the end furthest from the connector for the PC, and use a razor blade or other sharp knife to cut back the outer, rubber coating. Pull back the foil insulation, and locate the four wires inside. You should see red, black, white, and green wires inside (image A). Using a knife or wire strippers, expose the ends of the red and black wires.
(image B)
Your case fan should have two wires—one red and one black—terminating in a Molex power connector. Snip and strip the wires (image B). Following convention, the red wire is positive, and the black is ground—just like in the USB cable.
(image C)
Simply twist the exposed ends of the red wires together, solder, and cover with electrical tape or heat-shrink tubing to prevent the wires from shorting (Image C). Do the same for the black wires. Just like that, you have a USB-powered fan for your desk. If you want to get fancy, make a fan stand out of a bent coat hanger.
Book-Light Case-Light
Using very much the same procedure as above, you can convert an old battery-powered reading light into a USB-powered lamp to illuminate the back of your case. All you need to do is find an LED reading lamp that uses around 5 volts (the equivalent of about three AAA batteries) and open it up with a screwdriver. Under the battery compartment, you should find a red and black wire (image D).
(image D)
Splice the two wires to the wires in a USB cable, just like with the fan, then put the battery cover back on the lamp, chipping out a hole big enough to feed the USB cable through. Slap a strip of poster tape on the bottom, plant it on the back of your case, and plug it in.
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Jeff0101
October 01, 2009 at 9:59pm
Some folks are missing the point here. These are ideas that are presented in a way where if think they're worthy you may create one yourself and then they show you how to do it to boot. If you dont think they are worthy (or safe) then dont make them- move on- nothing to see here. Why is it some peeps that disagree on something wont let go. Gotta argue to the death. Say your piece and move on.
jackhope
December 22, 2011 at 3:45am
You can get all the components at Radio Shack except for the Altoids can. I also used an old USB part from used parts laying around from my comp building projects and used heat shrink tubing instead of tape. I built this for my 14 YO daughter so she can charge her MP3 player. It works like a champ and she is a big hit at her school robotics club.
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January 08, 2012 at 12:14am
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jackhope
December 22, 2011 at 3:43am
You can get all the components at Radio Shack except for the Altoids can. I also used an old USB part from used parts laying around from my comp building projects and used heat shrink tubing instead
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January 09, 2012 at 12:00am
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dzman1
September 27, 2009 at 8:48pm
Can you purchase the female usb ports at radio shack if not where can you purchase some
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Jeff0101
September 27, 2009 at 2:59pm
You can get all the components at Radio Shack except for the Altoids can. I also used an old USB part from used parts laying around from my comp building projects and used heat shrink tubing instead of tape. I built this for my 14 YO daughter so she can charge her MP3 player. It works like a champ and she is a big hit at her school robotics club.
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hiremenow
September 26, 2009 at 2:43pm
Would anyone happen to know where i can get this stuff? (for the battery powered USB charger?)
tomake
January 08, 2012 at 11:53pm
Just wanted to drop a comment and say I am new to your blog and really like what I am reading. Thanks for the great content. Look forward to coming back for more......
nsk chaos
September 22, 2009 at 3:34pm
usbs....are god's gift to us nerds/geeks/hardware hackers/anyone else =)
Biceps
September 22, 2009 at 11:28am
Next week's headline: 'Man arrested after blinding neighbors', says he thought laser rifle was 'a toy'.
nekollx
September 22, 2009 at 12:00pm
ecept even toys with lightbeams always say "do not point into eyes" so if he pointed it at someones eyes it's his own damn fault.
------------------------------
Coming soon to Lulu.com --Tokusatsu Heroes--
Five teenagers, one alien ghost, a robot, and the fate of the world.
tomake
January 10, 2012 at 11:46pm
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pcfxer
September 22, 2009 at 8:53am
What happens when you connect Vcc to another Vcc and both have different levels of current/voltage? That's right Short circuit and explosion of components. As an electrical engineer, I suggest you beef up your -9V -> ground (Vcc of what part of the PC??? How are filtering/blocking excess Vn from battery?) or pull the project down before people start frying components and themselves (catastrophic failure?? unlikely, but still possible).
EDIT: Ground Loop. This is an improper circuit and is unsafe, I am serious.
TheDorkSide
September 22, 2009 at 8:36am
Now that old Inspiron 8000 I've got sitting around has a purpose for living. I'm so going to do this! Another poster here was right. A lot of DIY stuff is done with stuff around the house. I've got some wood left over from a shelf project I had. That's going to be my frame. And as a bonus for this project, I may also do that USB fan to cool that overheating beast.
slumbersix
September 22, 2009 at 5:24am
Great article. I think another cool addition to the article could be average pricing on the parts. Just a suggestion but I like seeing what people pay for things like this.
bikerbub
September 22, 2009 at 4:06am
My dad gave me his old Latitude desktop from the 90's, I might try to make that into a picture frame. Now all i need to do is get it to run an os again... it runs DSL, but it won't install to the harddrive. i think the harddrive is shot.
ChadAvery
September 22, 2009 at 3:59am
Read the article in the magazine and loved it. I found a laser on Ebay and ordered. It came in yesterday. I am wishing I ordered more now.
LGA1156
September 22, 2009 at 3:32am
a chicklet box with a 9 volt does not a kick ass project make - yoda
minimumBS
September 22, 2009 at 4:23am
When did Do-It-Yourself become Let-Someone-Else-Do-It? I'm specifically referring to the "DIY" mod of the netbook picture frame where we are told that the MPC staff had to resort to paying $100 to a local frame shop to have it made. The best DIY projects for magazines (and their online companion sites) are truly DIY. (Fix: tell us all the DIY steps.)
And the best projects are those that involve parts that any techie ALREADY HAS in the house and can use with any brand of parts. The projects listed here that involve very particular models of cameras really breaks MaxPC's pledge of Minimum BS. (Fix: tell us how to do this with ANY digital camera, or if that's not possible, how to do another DIY project with ANY digital camera.)
Also, a good DIY project should have all the steps clearly detailed. I doubt most folks are going to get their phaser working from that mod. The project starts off well enough in the DIY ethic saying you can use an old blu-ray laser but then scraps the DIY ethic by saying well it would be too tough to DIY because you'd need to develop your own driver circuit? Wow, how much better this article would have been if it actually outlined the steps to make that driver circuit. (Fix: give us all the steps!)
In places such as the phaser project, where it's suggested that someone just buy a part from the Internet for about $30, why isn't there any more description as to what the parts are that are needed and/or where to get them from? In the case of the phaser project, we're suggested to go buy the part as an alternative for needing to build our own driver circuit to go with our laser. What parts specifically do we need to make sure we have the right driver circuit or whatever? Or is the reader just supposed to google for "laser with driver circuit"?? And yes, Googling that phrase comes up with three results, two of which are YouTube videos and the third is a link to a site whose Google-preview text suggests one is available for FIFTY dollars... but ends up taking you to a dead-link/domain-tasting site. (Fix: give us the details!)
And another thing about the ACER mod... the netbook already IS an electronic picture frame - SCREENSAVERS ANYONE?!? It's like saying a good DIY project is to rip my car stereo out of my car, throw the rest of the car away, wire a battery to the car stereo and voila - you have your own portable boom box. (Fix: give us a truly DIY project that uses truly old parts and not cannibailizing a recent system that ALREADY DOES what the DIY mod would do.)
And on the project Yoda mentions... the big glaring problem with a USB booklight is that you have to have a USB cord tied to the booklight now. The cool thing about those little booklights is that they are as portable as the book is. But now I need to provide USB power for my book? Pleeeeeez. It's like asking someone why they've never made a car video player that gets cable TV. (Fix: Don't provide a DIY project that takes something functional and useful and makes it unusable. Projects for fun's sake are of course fun, a USB booklight is neither fun nor usable.)
C'mon Max PC, you can do better!
Or am I just missing some new tradition of celebrating April Fool's Day this time of year and this article was supposed to be just a gag, and I'm taking it literally and not getting the joke?!?
Havok
September 22, 2009 at 5:40am
THis article is supposeed to be about having fun building things out of seemingly useless items. You must not read the magazine much. All the How-tos or DIY stuff in the mag are a lot shorter than the on-line How-tos (Read: Build your own touchpanel or Build your own MAME cabinet) People can't just post essays for the heck of it (Fix: Yours) And really, if your that pissed about a fun article, head over to the forums and post it there under 'Magazine Feedback' instead of here, or better yet, e-mail it to the editors who care more about it than us normal people do. (Fix: If you want a DIY or LSEDI for yourself, go to Wal-mart, pickup a LEGO set and start building. Look! It has detailed step-by-step instructions, AND tells you where to find all the pieces! Just what you asked for!)
OMGWTFBBQ
minimumBS
September 25, 2009 at 4:19am
I've read Max PC for years. Not trying to rain on a parade, just really, really hoping that Max PC can and will do better. This was not a fun article. It was simply one disappointing project after another. Certainly not cool enough to be considered kicking anything. These do not deserve to be in a Max PC magazine, or even online with the Max PC brand, unless Max PC has downgraded their target reader level to 5-7 years old in an attempt to get more readers. In which case I have to agree with the other poster who noted that some of these projects were not electrically safe, and point out that while they might be interesting to someone 5-7 years old, they are not safe for anyone, let alone that age range. Again I say... Max PC can do better. I know because I've read them for years.
sallystudios
September 21, 2009 at 7:12pm
Obviously you are retarded; get the strongest laser you can.
gulfcoastfella
September 21, 2009 at 6:03pm
"...it’s also strong enough to do some extreme eye damage to anyone unlucky enough to catch a stray reflection." How are you unable to make this TOY with a safer laser? Because as soon as you seal the phaser back up, regardless of what you may think, every person who ever lays eyes on that thing will know that it's a toy. The sad thing is that some of you who wrote this article probably have kids; and that one of those kids is about to permanently loose vision in one eye.
Do you know what would be a great diy gadget? A teddy bear with a 30 Amp capacitor stuffed inside. Obviously, it wouldn't be a toy, because who would make a plush toy with a massive capacitor stuffed inside. And of course, the one time your as-yet-undiscovered future girlfriend comes by your apartment with her 2-year old child, the stated child wanders your apartment and finds the dangerous teddy bear. But any two year old who's not brain dead KNOWS that teddy bears are actually dangerous electerical devices used to restart someones heart after a massive heart attack.
But you're probably right, a toy phaser that can permanently destroy someones vision in addition to letting you burn your electrical tape and pop balloons while wearing your Captain Kirk outfit in your garage made up to look like TOS Enterprise bridge... we've got to allow ourselves a few vices, now don't we?
Or we could just install a weaker laser and not be able to burn our electrical tape. Damn these choices are hard... my brain is starting to hurt, guys!
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