WireWorld » Making Stuff » Other People's Projects

This is an unsorted (but tagged) list of cool things other people have done and then posted their own set of instructions about how they did it that might be useful later for one of my own projects.

How to build a microphone(via)
Making an inexpensive condenser microphone.
LM3915/LM3916 VU Meter(via)
I've always thought these were cool