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!
ESP8266 Powered Propane Poofer
Learn how Nick Poole built a WiFi controlled fire-cannon using the ESP8266 Thing Dev Board!
Beefcake Relay Control Hookup Guide
This is a guide for assembling and basic use of the Beefcake Relay Control board
Reducing Arduino Power Consumption
A tutorial about different ways to reduce the current draw for your next Arduino project the easy way.
Buck-Boost Hookup Guide
This tutorial shows you how to hook up and use the SparkFun Buck-Boost board.
Or check out some of these blog posts for ideas: