Hackaday Links March 8th, 2012

March 8, 2012 By Leave a Comment

Solder Your Pin headers Straight

straight-header solder

If you’re worried about how to solder your pin headers straight, why not try this simple trick and put them into a breadboard before soldering?

Etiquette for Open Source Projects

soapbox Phillip Torrone

If you use or develop open source projects, it’s worth checking out [Phillip Torrone]’s Unspoken rules of Open Source article. You may not HAVE to do all the things he says, but it’s certainly a good starting point for being ethical with your hacks.

The [GoAmateur] Camera Mount

go-amateur camera mount for bike

If you can’t afford a professional camera mount for your bike, why not make one yourself? As pointed out in the article, normal cameras aren’t really made for this, so do so at your own risk. If this isn’t shoddy enough for you, why not make a mount for your 4 year old dumb-phone (Env2) out of a block of wood?

A 3D Printer BOM

If you’re wondering how much a 3D printer will cost you, or where to source the parts, this Bill of Materials for a Prusa Mendel should help. We would assume this project will be updated as everything is built, so be sure to check back!

MakerBot Assembly Time-Lapse

makerbot time lapse

Along the same lines, if you’re wondering about getting into 3D printing, this time-lapse of the Thing-O-Matic being assembled may give you some insight into what’s involved in getting one functional!

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Hackaday Links: Leap Day, 2012

February 29, 2012 By Leave a Comment

The Earth orbits the Sun every 365.256 days. Because this number isn’t a whole number, an extra day is tacked onto February every four years, unless the year is evenly divisible by 100, except in cases where the year is divisible by 400, or something like that. To commemorate this calendar hack, here’s some stuff that has rolled in over the last week or so.

Marble sequencer

[Brian] sent in this marble-based sequencer that sounds like someone is running MIDI into an Atari 2600. There are photoresistors in there somewhere, and it really reminds us of those thingamagoop robots.

YouTube CLI

[Mike] uses YouTube as his music library. While this is a perfectly acceptable way to listen to music, the user interface is terrible. To solve this problem, [Mike] is downloading videos from the command line, automagically converting them to MP3, and playing them over speakers. It works well with SSH, so we’ll call this a win.

Key card lock

[valenitn] just joined the MIT Media Lab, but something was terribly wrong with his keys – an ID card was required to get into the building, but a key was necessary to get into his office. He doesn’t need the key anymore, at least since he modded his office door. Check out the video.

Pop Tart Cat is everywhere

[skywodd] saw our writeup on the Maximite Basic computer and figured he could send in a project he’s been working on. He programmed his Maximite to sing the nyan cat song and then created a BASIC music player. Nice job, [skywodd].

Not sure if brilliant or insane

[Vikash] ran across a forum post where a user named [I Shooter] describes his setup to dual-boot Windows and Linux: [I Shooter] connected data cables to a pair of SATA hard drives, one loaded up with Windows, the other with Linux. The power cables are switched using relays so only one drive is powered at a time. [I Shooter] gets a ton of points for creativity, but there’s a reason this brute force hardware dual-boot setup isn’t more common. We wish there were pictures of this one.

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Hackaday Links: February 26, 2012

February 26, 2012 By Leave a Comment

Wii Nunchuk controlled Monotron

Adding a bit of motion control to your music synthesizer turns out to be pretty easy. Here’s an example of a Wii Nunchuk used to control a Monotron. [Thanks John]

Hackers on the Moon and other space related goals

Yep apparently a non-government backed expedition to the moon is in the works. But you’ve got to walk before you can crawl and one of the first parts of the process is to launch a hackerspace-backed satellite network called the Hackerspace Global Grid. Check out this interview with one of the initiative’s founders [Hadez]. [Thanks MS3FGX]

Laser pointers and frosted glass

We were under the impression that a laser show required finely calibrated hardware. But [Jas Strong] proves us wrong by making pretty colors with laser pointers and slowly rotating glass. [Thanks Mike]

MSP430 Twitter Ticker

[Matt] built a Twitter ticker using the TI Launchpad. It works on an LED matrix or OLED display along with a Python script which handles the API.

Android floppy drive hack

[Pedro] shows us how he reads floppy disks with his Android tablet. The hardware includes a docking station to add a USB port to the tablet, as well as a hub and USB floppy drive. On the software side of things an Android port of DOSbox does the rest.

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Hackaday Links: February 19, 2012

February 19, 2012 By Leave a Comment

Industrial control robot band

Remember Animusic, a series of videos featuring computer-generated, highly  implausible instruments? Intel made their own to demo their industrial control tech. From the looks of things, we’re putting money on a bunch of MIDI triggers bolted onto plastic panels; now it’s slightly less impressive and the reason we’re looking at xylophones on eBay right now.

Quadrocopters everywhere

[Jouni] sent in his quadrocopter build that was inspired by the Japanese spherebot we caught earlier this year. [Jouni] used a carbon fiber frame to  prevent the copter from bumping into things. Other things bumping into it are another story entirely.

This is my gun. There are none like it, because I printed it.

[Landru] printed a Nerf gun on his 3D printer. The only non-printed parts are a few screws, springs and an o-ring. [Landru] promised to put the files up on Thingiverse, but we can’t find them.

Media center auto power on circuit

[Dizzy]’s media server doesn’t have an ‘AC power loss reset’ feature in its BIOS, and he can’t jumpstart the thing by shorting pins on the ATX power socket. He came up with a very clean, minimal solution to starting his server after a power loss. Nice job, [Diz].

Better run, better run, outrun my soldering gun

Alright, circuit board shoes probably aren’t that comfortable, or useful, but we did find a like to the works of [Steven Rodrig], an artist who works in the medium of PCBs. The recycled circuits don’t do anything, and that’s giving us a few ideas on how to improve a digital banana.

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Hackaday Links: February 12, 2012

February 12, 2012 By Leave a Comment

This is why digital picture frames were invented

[Petros] sent in this video of his visualization of Van Gogh’s Starry Night. He did this with openFrameworks and also made a version that reacts to sound. Is anyone else reminded of that one scene in Vincent and the Doctor?

A boat’s a boat, but a mystery box can be anything

[Rick] wanted to build a lock pick training station for the Eugene Maker Space, but he needed a way to make it interesting. What could be better than a mystery box? When you pick the deadbolt, open the box up and you’ll get a prize. Just make sure you put something of yours in the box for the next person.

3D printer prints its own case

Because the 3d printer community isn’t segmented enough, [Sublime] decided to design a new one. Here’s where it gets cool: the Tantillus can print its own case, and can ‘daisy chain’ to another Tantillus so only one set of electronics are needed. Interesting ideas afoot.

A diamond says I love you, but a duct tape rose says I’ll fix that for you

Valentine’s Day is coming up, so if you haven’t already made dinner reservations, you’re probably up the creek. How about making a duct tape rose for that special person in your life. Bonus: a dozen costs $3, and they won’t die in a week.

Using keypads over serial or SPI

[Leniwiec] sent in a tutorial on connecting keypads to a microcontroller with a serial or SPI interface. If you want to build a calculator, this is your chance. We’d use this for an Apollo Guidance Computer, though.

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Hackaday Links: February 8, 2012

February 8, 2012 By Leave a Comment

Most useless machine

We love ’em, and we hope you do too. Here’s [Phase2plus’] take on the most useless machine.

Scratching like it’s 1989

[Nick] spent three bucks at the thrift store and ended up buying days worth of fun with this cassette player. He hacked it to scratch like vinyl.

3D printed jawbone

This lady now has her own 3D-printed jawbone. We’re not talking about the Bluetooth headset… it’s an actual bone replacement! And yes, the skeleton for the Terminator was 3D printed… we’re that much closer now. [Thanks Steve]

Hexbug superbowl

Why not let robots decide our sports gambling choices? [Eric] let this slew of HexBugs battle it out as an early indicator for who would win the Super Bowl. Seems he has no shortage of the little toys, all of which received an MSP430 upgrade. The firmware actually implements obstacle avoidance, but he makes a poke at the Chicago Bears who seem to have the same mission.

Foil fix for worn out remotes

[Viktor] found an interesting repair tip. If you’ve got remote controlers whose buttons are not working so well anymore you may be able to fix them with tin foil. He uses a single-hole punch to clip out circles which are attached to the underside of the misbehaving button. Worth a try!

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