Here's a little list of my tech projects :-)
MongoFly an iOS app for your iPhone and iPad. An app to control your MongoDB(s)!
Also available RedisFly for your iPhone and iPad.This to control Redis data store(s)!
See 8255 arduino project interfacing an Arduino and a 82c55.
Speedup Arduino communication with a82c55 by using the PORT commands.
For some DIY go to the conversion of a metal first aid kit into a media server go to this pages.
Some experiments on rgb powerleds.
A Futaba VFD driven by Arduino.