How to Power a Project
Contributors:
JordanDee
JordanDee 
Resources and Going Further
You should now know the most common ways to power your circuit and how to figure out which way is best for you depending on your your project’s specific requirements. You can make a better judgment now based on current, voltage, connector, and mobility considerations for your project. Check out these other great tutorials to monitor, control, or power your project!
Battery Technologies
The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.
INA169 Breakout Board Hookup Guide
How to interface with the INA169 Breakout Board to measure current.
How to Build a Remote Kill Switch
Learn how to build a wireless controller to kill power when things go... sentient.
SparkFun 5V/1A LiPo Charger/Booster Hookup Guide
This tutorial shows you how to hook up and use the SparkFun 5V/1A LiPo Charger/Booster circuit.
Or check out some of these blog posts for ideas: