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!
Measuring Internal Resistance of Batteries
Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.
12V/5V Power Supply Hookup Guide
In this tutorial, we will replace the 12V/5V (2A) power supply's molex connector with two male barrel jacks adapters.
Qwiic Quad Relay Hookup Guide
SparkFun’s Qwiic Quad Relay is a product designed for switching not one but four high powered devices from your Arduino or other low powered microcontroller using I2C.
SparkFun RTK Surveyor Hookup Guide
Learn how to use the enclosed RTK Surveyor product to achieve millimeter level geospatial coordinates.
Or check out some of these blog posts for ideas: