Eightlines Creations

Experiments in Physical Computing

TGIMBOEJ

The Great Internet Migratory Box of Electronics Junk (TGIMBOEJ) is a box. It's a box that arrives on your doorstep after you drop your name on a wiki page and wait a good deal of time. It's a box that has electronics junk inside and it works off the premise ...

Coding with a Fork

Recently I've been experimenting with online coding tools, wonderfl and Bespin. Essentially both are IDE's enabling you to write code with syntax highlighting. Wonderfl enables coding for the Flash environment, while Bespin works in the HTML/JavaScript spectrum. There's some pretty immediate differences, Bespin is an attempt at building an environment ...

It all starts at the $27K invoice

This was dug out of the basement the other day. This invoice was for our first real computer. (My family technically started by coding Logo and playing Buck Rogers by tape cassette on an Adam) This AST 286 and its where all of the trouble really began. I remember the ...

Listo Destructo

So the guys at the electronics stores are loving me lately. I'm pretty good at destroying things. While electronics is a reasonably affordable hobby, I've managed to turn it into something a little more extreme. So without further adieu, here's my "listo destructo": ATMega168 IC -- I was using a headless ...

Treasure Hunting at the Surplus Store

Pixelboard Originally uploaded by Eightlines Sometimes its worth venturing out to a disorganized surplus store to see what you can find. This is my latest little toy. Its a fragment of a pixelboard. Alternate the currents from one pin to the other and you can make the yellow dots flip to black. The ...

June 9th 2010
Tags: Code, ObjectiveC, Three20, Tutorial 0 Comments

Three20 TTTableViewController commitEditingStyle

This post is mostly for my future reference. I found the documentation of the TTTableViewController's commitEditingStyle to be lacking. Some of the comments on StackOverflow provide the right answer, but the code wasn't posted so I struggled for a bit. Below is an example of the version I managed to ...
September 11th 2009
Tags: Found 0 Comments

TGIMBOEJ

The Great Internet Migratory Box of Electronics Junk (TGIMBOEJ) is a box. It's a box that arrives on your doorstep after you drop your name on a wiki page and wait a good deal of time. It's a box that has electronics junk inside and it works off the premise ...
August 9th 2009
Tags: Ideas 0 Comments

Power Monitor Packet

As Hugo helpfully commented in a previous post, here is the link to the Power Monitor Patent. The specific page I'm linking to is the Packet model. Lots of reading to do here, but its pretty interesting. One of the things I find most interesting about this patent is the citations ...
July 26th 2009
Tags: Ideas 0 Comments

Building a Scooter Bike for Kids

Ages ago I bookmarked a design posted on Make for a Scooter Bike, as I intended on building one when my daughter got old enough. On a recent trip to the surplus store I picked up a wheelset for $3 and figured what better time to start than now. I ...
June 10th 2009
Tags: Ideas 0 Comments

Arduino Packet Analyzer

Following the previous success where we managed to see the transmissions from the Black & Decker Power Monitor, Andrew Kilpatrick and I went about trying to capture the packets. Without an access to an oscilloscope with packet capture capabilities we built our own with an Arduino. Essentially, the code waits for ...

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