Category Archives: Tutorial/Documentation

Kindle ebook to iPhone-optimized PDF

I bought a book for school using Kindle on my PC. When I tried to download it to my iPhone using the Kindle App, it gave an error saying something like “not available for iPhone”. The main reason I bought the kindle version (as opposed to the dead tree version) was so I could read [...]

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Muses Shoe, EL Wire and You

Here’s something for the locals. I knew there had to be some fun locked away in the light-up Mardi Gras throws that have become more popular in recent years. Unfortunately, I’m not cute enough to have a Muses shoe thrown to little old me, so I had to wait for somebody to throw it away [...]

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RFID <--> Ethernet Shield Client <--> Rails

Last week A few months ago, I wrote an article on connecting the Parallax RFID reader to the the Arduino. The reason I was revisiting that device was because I am working on a system for our hackerspace which will allow people to find out who is in the hackerspace at any given time. The [...]

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Parallax RFID Reader <--> Arduino

A while back, I purchased a Parallax RFID reader and used it for authentication for my house door. It was kind of a hack job and wasn’t as stable as I would have liked so I never documented it and put it on the backburner. I recently decided to revisit the device for a project [...]

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Hacking the Asus WL-520GU w/ OpenWRT

I was at a Gumbo Labs meeting recently and one of the members, Mark, showed us the router that he had been working on. He had flashed it with OpenWRT, added an SD card, and a serial GPS module. He used it to collect geospatial network information on the way to the meeting for the [...]

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Install GnuCash On Mac OS X

Install My quick list of commands for getting GnuCash (plus documentation) installed on Mac OS X 10.5.8 (you’ll need to have MacPorts installed for this): sudo port install gnucash sudo port install gnucash-docs sudo port deactivate mesa sudo port -v upgrade outdated sudo port deactivate mesa You can read all the details about why mesa [...]

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