Category Archives: Tutorial/Documentation

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 [...]
Also posted in Arduino | Tagged , , , | 17 Comments

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for this): sudo port install gnucash sudo port install gnucash-docs sudo port deactivate mesa sudo port -v upgrade outdated sudo port deactivate mesa You can read all the details about why mesa needs to be deactivated in this thread. Launch [...]
Posted in Tutorial/Documentation | 3 Comments