Electrical Engineering
These tutorials help form some of the fundamentals you would learn in an Electrical Engineering course of study.
Resistors
April 1, 2013
A tutorial on all things resistors. What is a resistor, how do they behave in parallel/series, decoding the resistor color codes, and resistor applications.
Soil moisture-sensing by hacking a solar light
June 19, 2014
How to take a solar powered pathway light from a hardware store and make it into a crude soil moisture sensor.
SparkFun Clock Generator 5P49V60 (Qwiic) Hookup Guide
February 28, 2020
The SparkFun Clock Generator 5P49V60 (Qwiic) breakout board offers a wide range of customizable frequencies in a wide range of different signal types using a single reference clock. This hookup guide will go over all of the many available functions and gives the hardware rundown on what exactly is on this board.
SparkFun Troubleshooting Tips
October 19, 2017
Not working as expected? In this tutorial, we will be exploring a few general troubleshooting tips and possible solutions that frequently come up with SparkFun's Technical Support.
SparkPunk Sequencer Hookup Guide
August 14, 2014
How to assemble and use the SparkPunk Sequencer kit.
SparkPunk Sequencer Theory and Applications Guide
August 14, 2014
Examine the inner workings of the SparkPunk Sequencer, then explore some modifications and alternate applications.
Transistors
July 1, 2014
A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.
Uh-Oh Battery Level Indicator Hookup Guide
April 9, 2014
Learn how to assemble and use the TL431 in the Uh-Oh Battery Level Indicator Kit.
Understanding Thermal Resistance
May 14, 2020
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
Voltage, Current, Resistance, and Ohm's Law
February 6, 2013
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Voltage Dividers
February 8, 2013
Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.
What is a Battery?
May 3, 2016
An overview of the inner workings of a battery and how it was invented.
What is a Circuit?
February 6, 2013
Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.
What is Electricity?
June 13, 2013
We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!
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.