One of my hobby was to experiment with the SGI/Indigo2 port of GNU/Linux. See my fiddling reports there.
A quick hack I did was for the philips picture frame. Have a look here.
I managed to have my VIA CLE266 video chipset to output 1680x1050. A tough one, explained here.
I received an iPod shuffle for my birthday. This gave me the idea to develop a small perl script to use it with Linux: fysh. Also have a look here for its genesis.
I have some OMAP3 boards, and I do some fiddling here.
I spent some time on Debian live recently, to build a customized usb key. It all ended up by presentations at the local Linux association. See there.
What I went through to install Debian on my ASUS EeePC. See there.
I contributed to some other projects. Here is the list.
Every site has a “links” page, so this is the obligatory one of this site.