5. Coil Hand GunThis nifty DIY coil hand gun is fully-functional and has "dual energy shot levels, full power and partial power".
The wish list follows: "Fast Charger and be small enough to fit in a pistol”, yep. “Charger automatically charges upto the voltage I want, stops, then regulates”, yep. “Controllable fire sequence, I want to use a computer to test by adjusting on/off times to the microsecond”, yep.[Source]
4. Gameboy LEGO RobotCharmed Labs introduces the Xport 2.0, a homebrew application for the Nintendo GameBoy Advance that plugs into the cartridge slot. Example applications include robot competitions, custom sensor development, and force reflection/haptics.
...allows the Xport hardware to be tailored to your target application, and the 64 digital I/O signals provide programmable I/O for interfacing to practically any hardware device.[Source]
3. Portable XBox System
2. AvailabotThe "Availabot" is a USB-powered "instant messaging buddy-bot" which tells you when buddies go online/leave by falling over (leave) or standing up (go online).
Availabot stores the IM details of the friend it represents in the puppet itself. That means you can buy a few, load them with your own IM screenname and service, and give them out like business cards to your closest contacts[Source 1 - 2]
1. 26-inch TV Fish Tank
I was never going to get a standard off the shelf tank to give me the effect I wanted. I had to allow for the height of the light/reflector which is 6 cm. This just allowed me to have the top of the tank at the height of the top of the screen, but unfortunately meant that I could not fill the water level ABOVE the height of the screen[Source]