Electrical Engineering

These tutorials help form some of the fundamentals you would learn in an Electrical Engineering course of study.

Capacitors

June 19, 2013

Learn about all things capacitors. How they're made. How they work. How they look. Types of capacitors. Series/parallel capacitors. Capacitor applications.

Polarity

June 14, 2013

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

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!

Logic Levels

June 3, 2013

Learn the difference between 3.3V and 5V devices and logic levels.

How to Use a Breadboard

May 14, 2013

Welcome to the wonderful world of breadboards. Here we will learn what a breadboard is and how to use one to build your very first circuit.

Diodes

May 9, 2013

A diode primer! Diode properties, types of diodes, and diode applications.

Button and Switch Basics

May 7, 2013

A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.

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.

Pulse Width Modulation

February 27, 2013

An introduction to the concept of Pulse Width Modulation.

Working with Wire

February 8, 2013

How to strip, crimp, and work with wire.

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.

Analog to Digital Conversion

February 7, 2013

The world is analog. Use analog to digital conversion to help digital devices interpret the world.

How to Power a Project

February 7, 2013

A tutorial to help figure out the power requirements 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.

Battery Technologies

February 6, 2013

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

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.

Pull-up Resistors

February 1, 2013

A quick introduction to pull-up resistors - whey they're important, and how/when to use them.

PCB Basics

December 14, 2012

What exactly IS a PCB? This tutorial will breakdown what makes up a PCB and some of the common terms used in the PCB world.
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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.