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May 142010
 

Shuttle Atlantis just lifted off on its final voyage. There are 2 shuttle missions left before the end of the shuttle program. I suggest not missing a single launch, and if possible seeing them live. The shuttle program has to be the most inspirational scientific program currently operating. Nothing really makes me more proud to be a human being, or living in the times that we do than watching one of these rather good looking vehicles get launched into the heavens and far beyond.

Really looking forward to another more ambitious space program from anywhere at all, since it seems NASA won’t be pursuing constellation. =(

But let’s look at Atlantis’ rich history. This good ship has flown 32 missions ( 31 of which have completed successfully, with 32 looking beautiful ). She’s been in the shuttle fleet since her flight readiness firing Sept. 5, 1985. 25 years this shuttle has been in service, defying a decision to decommission it in 2008. Atlantis was intended to be relegated to a support role for Endeavor and Discovery, but Atlantis was born to fly and that’s just what she’s doing right now at 2500 mph.

Atlantis made history June 29 of 1995 when she was the first shuttle to dock with the Mir space station as part of STS-71. Before that during STS-30, Atlantis launched the first interplanetary probe launched from a shuttle. The Magellan probe was sent to explore Venus.

Many people have contributed to Atlantis’ successful missions over the years, but Rockwell International has the distinction of having built her. So to the engineers over there, I am sure today’s flight is especially gratifying.

Anyways, Atlantis, from all the folks at NYC Resistor. Thanks for being utterly amazing. Enjoy retirement, I hope you find a really great home.

Fun Fact, Atlantis has traveled 115,770,929 miles ( 186,315,250 km ) and counting…

 Posted by at 2:52 pm
May 132010
 

I ordered a miCoach, which is the Adidas version of the Nike+. When it gets here I plan on opening it up to play with the data, but in the mean time I started with some better-travelled exercise bits and my new weight loss supplements to get better results, I8 recommend you check gluconite for this, I recommend you read the nutrisystem reviews to see if this program works for you.

Starting with Jansen Price’s excellent blog post on the subject, I slowly worked through the data and wrote a python script to interpret the binaries and save them to a CSV. I was able to generate the nice graph above. There was a lot of trial and error, but here’s an overview of the process:

  1. Copy Wii save game data to the SD card. This is done from Wii Options > Data Management > Save Data > Wii
  2. Find the save game data on the card. It’s in something like ‘private/wii/title/RFPE’, although different regions may have slightly different codes. RFPE is the code for WiiFit Plus. Copy the WiiFit data.bin file from the SD card to your local machine.
  3. Decrypt data.bin. This is explained pretty well here. To create the keys I ended up creating text files with the hex string for each and then using “xxd -r -p sd_iv_hex sd_iv” et al to save a binary version. If you’re getting “MD5 mismatch” errors, you probably saved the keys incorrectly. If you aren’t sure, check the file size. They should be 16 bytes each.
  4. Run the decrypted RPHealth.dat through a parser (I wrote one in Python for this)
  5. Run the CSV through your favorite graph generation library. I use flot because Google Charts don’t handle dates very well.

More details, including the source for the Python script can be found over on my blog: Kellbot!

Vexations!

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May 122010
 


“In order to play the theme 840 times in succession, it would be advisable to prepare oneself beforehand, and in the deepest silence, by serious immobilities.”
In the 1890s, Erik Satie wrote a very short piece called Vexations, with a note suggesting that it should be played 840 times in a row. That’s a challenge, right? Jack Straw Productions in Seattle is putting on a Vexations marathon this weekend, starting Saturday at 4pm Pacific time, with more than 30 pianists playing non-stop through the night until they reach #840, and you can listen in on Hollow Earth Radio. It’s a great idea, but we have machines to do our dirty work for us, so the robot toy piano is going to play Vexations at NYC Resistor 840 times, or until it falls apart. It’ll start at 7PM (Eastern time) this Saturday, and you can watch and listen online, or in person on Saturday at the Halfway-to-Halloween Party, or on Sunday at the Vexations Meetup & Jam Session.

Yes, on Sunday (May 16) from 3-6PM, join other music nerds to jam along to Vexations until your head explodes, or we reach #840, whichever comes first. Bring instruments if you want. (Bring your own 1/4″ cables, if your instrument is electronic. Inputs are limited so if you can bring a small mixer to share, that would help!) Feel free to bring vexing drinks or snacks to share. NYC Resistor is at 87 3rd Avenue, 4th Floor, in Brooklyn.

As long as you’re in the neighborhood on Sunday, consider going to Share at ISSUE Project Room (3rd Av & 3rd St), a weekly open jam session for experimental music! When we get sick of Vexations, we’ll take a dinner break and head over there.

 Posted by at 2:46 pm
May 072010
 

Let’s get lazzzoring every Monday night! Come get some work on your projects on this laser focused* open hack night.

The laser will be available on a first-ready first-served single job basis. If you haven’t been trained on the laser you will need to enlist the assistance of an operator. Look for the hacker with an eye patch.

* see what i did there?

May 052010
 

I really enjoyed Saturday’s “Fire The Lazzzor!” class and wanted to share a couple of pictures sent in by clever students. Herb made a tiny pizza box on 120lb kraft paper. What normally took 15 minutes by expert hands completed in just over 1 minute on the laser. Dustin made a cool acrylic cut and etch of the unofficial logo of the University of Florida’s geology department. The projects all came out really well and it was a blast to meet and work with everyone.

This weekend’s class is already sold out, but stay tuned for there’s another one on June 12th. Also don’t forget to get your costume on next Saturday!

MintyBuck!

 Uncategorized  12 Responses »
May 042010
 

IMG 1947

How do you keep an iPhone running for long periods of time when you are off the grid? You can’t change the battery in the phone, so carrying a spare isn’t an option. Devices like LadyAda’s excellent MintyBoost use AA batteries and can keep you going indefinitely, but unfortunately the MintyBoost and several other similar products don’t work with the iPhone 3GS. And anyway what I really wanted was a device that would take power from the high capacity 12V NiMH rechargeable pack that I use to power my portable ham radio gear. I could have re-purposed a charger meant for use with cars, but many of them use linear regulators and are therefore very inefficient, or aren’t compatible with the 3GS; plus they are overpriced. So instead I built a charger to suit my needs: the MintyBuck.

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Animatronics!

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Apr 272010
 

The latest branch in my career as a wandering hacker: puppetcircuits.

I’m working with puppeteers here in New York on some full scale robotic puppet heads. This is a new field for me, so I decided to document it and share what I learn with the community. It’s going to be a mix of electronics, robotics, sculpting, sewing and crafting. There’s a lot that I’m going to learn!

Apr 252010
 

Four talented hackers from NYU are planning to spend the summer building Diaspora “the privacy aware, personally controlled, do-it-all distributed open source social network”.

This is a particularly timely project in the wake of the recent “open” graph announcements at F8 and the debate about data ownership.

Project Diaspora will be open-source, with a subscription hosted solution. They’re raising money to pay for their time developing the project over the summer.

You can read more about the project and the business plan and pledge your support on their Kickstarter page.

 Posted by at 1:23 am
Apr 232010
 

Quoting an excerpt from Mitch seen on Make Blog:

Notacon was way wonderful this year. The Hardware Hacking Area was way bigger than last year (as is the case *everywhere*!), and it was totally hopping! More than a third of people at the con made something!

Me and Jimmie joined in on the Hardware Hacking Area set up by the new Makers Alliance hackerspace in Cleveland. We love giving these workshops at hacker conferences and hackerspaces around the world! It is just so incredibly gratifying to see so many people happily making cool things together! That’s why we do this! We actually don’t make any money from doing it — but we do break even, which means that we make enough from each workshop to allow us to pay for the overhead of the next one. And it works out really well! We love teaching people how to make cool things!

The only bummer about Notacon this year (besides for my train being canceled, necessitating me taking a Greyhound to NYC!) is that someone(s) stole a bunch of my kits and Jimmie Rodger’s kits. $585 worth of my kits were taken, including a pile of FTDI cables, a pile of MiniPOV3 kits, plus a bunch of other kits. Jimmie had 2 Arduino boards taken plus a few of his kits, which comes to about $250 of his stuff taken. Last year was my first Notacon, and though I loved it more than enough to come back this year, $690 of my kits were stolen there (again mostly FTDI cables and MiniPOV3 kits).

Out of all of the workshops I’ve given over the last few years, I’ve never had kits stolen from any of them — Notacon is the only place. That is so odd, because Notacon is such a great conference! It draws a great group of people, most of whom get to know one another over the weekend. The organizers do a great job of creating an intimate atmosphere with lots of interesting talks, demos, workshops, and way fun activities. I’d recommend it to anyone. I’d also love it if whoever has taken my kits would return them.

Cornfield Electronics
572 Hill St.
San Francisco, CA 94114
Mitch Altman [email protected]

Mitch is one of the nicest people I’ve ever met. He’s dedicated himself to going around the planet ( quite literally ) and getting people of all ages excited about making stuff. I helped Mitch run the hardware hacking space at Notacon the year before last, and it was amazing. This year was even better thanks to the local Cleveland hackerspace guys. And I’ve been pretty adamant about Notacon being one of my favorite conferences. It’s small, but it’s got great people, and one of the only demo scene events in the US. Hearing this really makes me feel horrible. I’ve been to almost every Notacon since Notacon 1, and I’ve never had an issue inside of the conference area. People tend to look out for each other. I can’t imagine what someone would be thinking when they took this stuff.

Anyways, if you have any idea where / what happened to Mitch’s stuff please step up and right the wrong.

I am not currently aware of any sort of formal effort to help get Mitch back on his feet with a supply of kits. But, I suppose the biggest issue here is time. Getting new boards, components, and kits put together for upcoming events could be tough if not impossible. Hoping whoever is responsible has a change of heart. Spreading this throughout the community hopefully will get their attention.

Anyways our thoughts are with Mitch right now.

 Posted by at 9:22 am