Making Piezoelectric Crystals(via)
This looks too cool. Making your own piezoelectric crystals for fun and pyromania....
Mazeguy Dominoe Tricks(via)
How to make cool domino tricks
A cylinder of individually-addressible LEDs.
How to build a microphone(via)
Making an inexpensive condenser microphone.
Craft AVR Demo(via)
One of the most impressive bits of AVR microcontroller work I've ever seen. Generates video and multi-track audio with a single 20MHz AVR chip. Oh yeah, and even does 3D graphics.
DIY Glowing Pushbutton Switches(via)
I like arcade buttons. This would be quite cool.
MAX6675 Thermocouple Project(via)
Measures up to 1800 degrees.
Running tons of LEDs off of very few pins on a microcontroller
Free Four Color Screen Printing Press Plans(via)
Nice. I've never thought about building a four color screen printing press, but this looks awful cool.
I have a fetish for high-tech digital clocks. This is probably overkill.
This is in the file of "projects I've thought would be cool to make since I was in grade school".
Yet another vacuum former
BEAM Solar Theremin(via)
A musical instrument made from a solar panel and some circuitry bits.
Creating, cutting and printing your own woodblock(via)
Looks like a fun project sometime, making woodblocks.
Using an ink jet printer head outside of the printer