Power

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ACS712 Low Current Sensor Hookup Guide

May 17, 2017

Learn how to measure the current consumption of your project using the ACS712 Low Current Sensor.

Battery Babysitter Hookup Guide

June 23, 2016

An introduction and getting started guide for the Battery Babysitter - a flexible LiPo battery charger and monitor.

Beefcake Relay Control Hookup Guide

June 2, 2016

This is a guide for assembling and basic use of the Beefcake Relay Control board

What is a Battery?

May 3, 2016

An overview of the inner workings of a battery and how it was invented.

PicoBuck Hookup Guide V12

February 18, 2016

The PicoBuck board is a high-efficiency three-channel constant-current LED driver.

FemtoBuck Constant Current LED Driver Hookup Guide V12

December 10, 2015

The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.

Adding a Timed Button to a Project

July 29, 2015

This tutorial will walk you through making a timed power controller for interactive projects. You will learn how to add an on button that will provide power to your project for an amount of time and then turn off again.

Photon Battery Shield Hookup Guide

July 2, 2015

The Photon Battery Shield has everything your Photon needs to run off, charge, and monitor a LiPo battery. Read through this hookup guide to get started using it.

Wake-on-Shake Hookup Guide

March 13, 2015

A basic hookup guide for getting started with the SparkFun Wake-on-Shake.

LilyPad Simple Power Hookup Guide

January 15, 2015

A basic guide for getting started using the LilyPad Simple Power.

Benchtop Power Board Kit Hookup Guide

November 3, 2014

Need more power? This Benchtop ATX Power Supply Kit should help give you the boost you need to power those energy hungry projects.

LTC4150 Coulomb Counter Hookup Guide

September 18, 2014

A "Coulomb Counter" is like a gas gauge for your battery. Here's how to use it.

How Lithium Polymer Batteries are Made

May 28, 2014

We got the opportunity to tour the Great Power Battery factory. Checkout how LiPos are made!

LiPo USB Charger Hookup Guide

May 1, 2014

How to charge your LiPo batteries with the USB LiPo charger. Plus how to modify your charger to set the charge current.

Mini FET Shield Hookup Guide

May 1, 2014

Learn how to hookup and use the FET shield for Arduino Pro Mini 3.3V. With this shield, you can control much larger loads such as motors or large LED strips without straining your Arduino's power.

Uh-Oh Battery Level Indicator Hookup Guide

April 9, 2014

Learn how to assemble and use the Uh-Oh Battery Level Indicator Kit.

Electric Power

June 26, 2013

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

How to Power a Project

February 7, 2013

A tutorial to help figure out the power requirements of your project.

Battery Technologies

February 6, 2013

The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.

Old Tutorials

Looking for the old, archived tutorials? Head on over to the archived tutorials on the main SparkFun site.
Please be aware that the tutorials you find there are no longer actively maintained.