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Nuts and Volts, May 2008

Butterfly Broadcaster
MP3 players are great when you're wearing earphones. Wouldn't it be nice, though, to listen through your home or car stereo? Well, now you can!

Build a Voice Changer
Use this simple device to mystify and confuse family and friends.

Microcontrollers Give Slot Cars a Boost
Give yourself an advantage in the turns and on the straight-aways next time you're racing.

The Freeze Fountain
Make water stand still with this tabletop fountain and learn a little about science in the process.

Become a Schematic Fanatic
Don't let a few crazy looking symbols prevent you from attempting and/or completing a project.

PDF | 14.4 MB

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Nuts and Volts, June 2008

Precision Stereo Headphone Amplifier
For about $30 in parts for the core amplifier and a weekend of soldering, you can enjoy premium audiophile sound through your MP3 player or iPod.

The Serial Port Is Dead! Long Live the Serial Port!
Taming The Universal Serial Bus. Sure, USB sounds like a great idea if you're a PC motherboard designer or a nuclear brain surgeon. But the rest of us just miss the simplicity of serial over a DB-25. Regain your mastery of serial comms with this cool little experiment.

Ovenflow 1.0
Discover a program to control SMD (surface-mount device) soldering using a toaster oven.

PCB Basics: From Your Brain to a Finished Board
Learn how easy the process really is to turn your schematic into a finished printed circuit board.

PDF | 15.6 MB

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