How to Power a Project

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Contributors: 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.

How to Build a Remote Kill Switch

Learn how to build a wireless controller to kill power when things go... sentient.

TSH82 Configurable OpAmp Hookup Guide

The TSH82 Configurable OpAmp board offers the designer a great balance of performance and flexibility. We'll show you how to get the very best out of your board!

SparkFun Qwiic Dual Solid State Relay Hookup Guide

A Hookup Guide to get you started with the SparkFun Qwiic Dual Solid State Relay.

Or check out some of these blog posts for ideas: