- Digital (all free)
- Printed Copies
A couple of hours of crocheting and soldering resulted in the first prize of the Froscon Creative Contest:

The pattern for the frog is an adaptation of this one. I crocheted the head and body in one part and also the feet and the suckers are one part.
You will need 6 LEDs that fit in the holes of the suckers. The wiring follows this scheme:
I finally got round to creating a very simple but effective on/off button for the dragon that I created for last CCC Conference, which was themed "Here be Dragons".
Thanks to Lucy Collin for the pattern, which I more or less followed. I added some LEDs so that the dragon can actually spit fire. And for that, I needed a button. The solution is a simple press button.
The Introduction to Linux Guide is now available in third edition from Fultus publishing.
The Bash Guide for Beginners is available from the same publisher in second edition.
The books can also be obtained from Amazon, Barnes&Noble, and various other book stores.
Somebody left this at the OpenBSD booth (there still was one back then) during CCC Congres 2008 in Berlin, between Christmas and the New Year:

Contact me if you were that person, as I have another version of this bird for you, to say thanks for a lovely subject. Both are in oil paint, and about the size of an A4 sheet of paper.