Electret Mic Breakout Board Hookup Guide
Contributors:
LightningHawk
LightningHawk 
Resources and Going Further
A quick Google search for "Electret Mic Breakout" will get you going for any type of project you may want to create. Here are a few of my favorites from Instructables.
If you need to add sound to your next project but need something a little more sensitive, robust or a little more useful, I recommend the SparkFun Sound Detector.
Documents
For more audio fun, check out these other great SparkFun tutorials:
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Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.
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An introduction to being able to trigger music and sound effects based on buttons, sensors, or switches using the WAV Trigger board.
THAT InGenius and OutSmarts Breakout Hookup Guide
Learn about the benefits of balanced signal transmission, and how to apply the THAT InGenius and OutSmarts breakouts.
MicroMod Artemis Processor Board Hookup Guide
Get started with the Artemis MicroMod Processor Board in this tutorial!
Or check out this blog post for inspiration: