Author Archives: Benjamin Eckel

DSO nano and synth circuit

By Benjamin Eckel | Published: March 3, 2010
A few days ago, a co-worker let me borrow his DSO nano to run a few tests. First thing I decided to do was throw a really chaotic waveform at it. I built this little synth with 2 square wave oscillators. It is kind of comical to call this a synth or even a set of [...]
Posted in Uncategorized | 1 Comment

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

By Benjamin Eckel | Published: February 5, 2010
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 [...]
Posted in Arduino, Tutorial/Documentation | Tagged , , , | 1 Comment

Parallax RFID Reader <--> Arduino

By Benjamin Eckel | Published: October 17, 2009
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 [...]
Posted in Arduino, Tutorial/Documentation | Tagged , , , | 17 Comments

Hacking the Asus WL-520GU w/ OpenWRT

By Benjamin Eckel | Published: October 8, 2009
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 [...]
Posted in Tutorial/Documentation | Tagged , | 4 Comments