Electrical Engineering

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

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.

Introduction to Operational Amplifiers with LTSpice

April 18, 2017

Picking up where we left off in "Getting Started with LTSpice," we delve a little deeper into LTSpice through an introduction of Operational Amplifiers (OpAmps).

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.

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!

SparkPunk Hookup Guide

June 12, 2014

How to assemble and modify the SparkPunk Sound Generator kit.

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.

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.

Measuring Internal Resistance of Batteries

May 5, 2016

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.

Working with Wire

February 8, 2013

How to strip, crimp, and work with wire.

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.

Current Sensor Breakout (ACS723) Hookup Guide

June 21, 2018

Learn how to measure the current consumption of your project using the ACS723 Current Sensor.

Light-Emitting Diodes (LEDs)

August 12, 2013

Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.

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.

Boss Alarm

March 30, 2016

Build a Boss Alarm that alerts you of anyone walking into your office and automatically changes your computer screen.

How to Use an Oscilloscope

February 25, 2014

How to work the dials and buttons on an oscilloscope, and a glossary of the o-scope lexicon.

How to Use a Multimeter

January 9, 2015

Learn the basics of using a multimeter to measure continuity, voltage, resistance and current.

Transistors

July 1, 2014

A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.

Digital Logic

October 3, 2013

A primer on digital logic concepts in hardware and software.

Logic Levels

June 3, 2013

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

Analog vs. Digital

July 18, 2013

This tutorial covers the concept of analog and digital signals, as they relate to electronics.

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.