Nyan Cat hat will be the hit of the party…. for about one minute

Seriously, this Nyan Cat hat is the only part needed for a fantastic Halloween costume. It looks pretty good in this still image, but we dare you to watch the clip of it in action (embedded after the break) without letting a beaming grin creep onto your face. Everyone’s going to just love this… until it starts to get really annoying.

When switched on, the iconic meme rotates around the headgear, bobbing its head and tail as she sings the song of her people. There are also stars made of white LEDs that twinkle very brightly in the process. The presentation is quite good, but even better is seeing the build process. Luckily [Ben Katz] posted a series of detailed articles during the adventure. The mechanism responsible for driving the cat around the hat was laser cut from acrylic. It includes a large gear with teeth on the inside, which is interface by a continuously rotating servo motor with a much smaller gear. The head and tail bobbing are purely mechanical, using the revolving motion to turn a spindle as the cat makes its way around the brim.

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Nyan Cat: the PlayStation game

We’d bet you didn’t know there was a Nyan Cat game for the original PlayStation. Well, there wasn’t one until very recently. This isn’t a title that has been licensed by Sony, and we bet you won’t spend hours playing such a thing. But the concept has let [Haunted] hone his development skills.

We’re not certain how he’s getting around the copy protection for PSX games, but we know there are a few different exploits out there. If you happen to have your own method playing homebrew games you can even download the bin/cue files to try this out for yourself.

After the break you can watch a demo clip of the game. It boots like normal until you hit a black screen with white text which displays a loading percentage. This is followed closely by the rainbow spewing feline pastry. The sound takes a minute to play but you can be sure it’s there. Currently there’s no scoring system but that’s in the works for a future revision.

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Nyan Fax brings the celebrity kitty to your office

Internet blocked at your office and feel like you’re just not getting your fix of Nyan Cat? Don’t worry, you can now use the fax machine to get your fix. [Tom Scott] put together the project to our delight, which will work best if you can find one of those fax machines that uses the continuous roll of paper. But as you can see above, individual sheets will work too. The best part is that Nyan Fax is live for callers from the UK and internationally!

The hack is using something called ‘fax polling’. It allows the sender to set up an on-demand server where any caller will be sent a queue of documents. In this case [Tom] crafted a Nyan Cat document that never ends… you’ll need to disconnect the phone line or pull the pug to stop the printing. See for yourself in the clip after the break. If you’re interested in setting up your own it can be done with the mgetty and sendfax packages on a Linux box.

Just in case you’re keeping score, [Tom Scott] is one of the guys behind the Webcycle.

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Hackaday Links: Leap Day, 2012

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.

Hackaday Links: January 10, 2012

They can put a man on the moon, but they can’t put a man in LEO

Yeah, we’re enraged by that headline. Anyway, NASA put up a whole bunch of projects and made them open source. From the looks of it, there’s plenty of cool stuff: genetic algorithm libs, toolkits for astrodynamics simulations (on the Goddard site), and this cool thing.

Nyan all the disks!

[brainsmoke], a hacker over at revspace, made an assembler version of nyan cat that can be placed on the bootloader of any disk. Just a reminder that you shouldn’t mount everything out there. We learned that lesson the week we discovered a penicillin allergy.

It’ll replace the Buffy poster.

[Anthony Clay] has been working on a set of EE posters that he’s putting up as a Kickstarter. They’re Ohm’s Law, resistor calculator, capacitance, and inductance posters that would look great above any workbench. He’s looking for ideas for other posters, so drop him a line and vote for the 7400 logic poster. All of them.

Ooooohhhh MIDI sampler

A while ago, we saw this neat MIDI Arduino shield. The Kickstarter reached its funding goal (there’s still time left!), but now [Keith] writes in to tell us that the AvecSynth library is platform independent. You could use this to record and play back MIDI messages. MIDI tape delay, anyone?

Open mind, not mouth.

With the success of the Stanford AI class last year, it looks like MIT is really getting their head into the game. Think of it this way: it’s MIT opencourseware that can lead to credentials. Now the only question is, ‘how do you prank a virtual campus?’

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