Reducing Arduino Power Consumption
Contributors:
Alex the Giant
Alex the Giant 
Resources and Going Further
More information on low-power modes and options can be found in the datasheet for the 328P.
For more power-related fun, check out the following SparkFun tutorials.
How Lithium Polymer Batteries are Made
We got the opportunity to tour the Great Power Battery factory. Checkout how LiPos are made!
Wireless Joystick Hookup Guide
A hookup guide for the SparkFun Wireless Joystick Kit.
Nuclear Battery Assembly Guide
How to put together your BYOT (Bring Your Own Tritium) Nuclear Battery Kit!
Fuse Breakout Board Hookup Guide
Protect your project by adding a fuse in your circuit to save it from molten destruction.