Electrical Engineering

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

How to Use a Ruler

April 11, 2019

Showing off some of the features of the SparkFun Ruler.

Integrated Circuits

July 15, 2013

An introduction to integrated circuits (ICs). Electronics' ubiquitous black chips. Includes a focus on the variety of IC packages.

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).

Lessons in Algorithms

December 21, 2016

Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.

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.

LogicBlocks & Digital Logic Introduction

March 31, 2014

Introducing fundamental digital logic concepts and LogicBlocks

LogicBlocks Experiment Guide

March 31, 2014

Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.

Logic Levels

June 3, 2013

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

Make Your Own Fritzing Parts

March 18, 2014

Learn how to create your own Fritzing part so you can make amazing looking wiring diagrams, learn about schematics and PCB design, and get your design fabbed into a real PCB with Fritzing's PCB manufacturing service.

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.

Metric Prefixes and SI Units

July 11, 2013

This tutorial will explain how to use and convert between the standard metric prefixes.

microSD Sniffer Hookup Guide

August 4, 2015

A basic introduction to working with the microSD Sniffer.

Multiplexer Breakout Hookup Guide

August 18, 2016

How to use the 74HC4051 multiplexer breakout to drive eight LEDs, read eight button inputs, or monitor eight potentiometers.

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.

Polarity

June 14, 2013

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

Proto Pedal Assembly and Theory Guide

September 22, 2016

Getting started with the SparkFun Proto Pedal. We'll assemble the board, then discuss some of the details of the circuit.

Proto Pedal Example: Analog Equalizer Project

September 22, 2016

Building a gyrator-based analog equalizer using the Proto Pedal.

Proto Pedal Example: Programmable Digital Pedal

September 22, 2016

Building a pedal around the Teensy 3.2 and Teensy Audio shield. Changing the effect in the pedal is as easy as uploading a new sketch!

Pull-up Resistors

February 1, 2013

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

Pulse Width Modulation

February 27, 2013

An introduction to the concept of Pulse Width Modulation.

Raspberry Pi Stand-Alone Programmer

March 8, 2018

This tutorial will show you how to use a headless Raspberry Pi to flash hex files onto AVR microcontrollers as a stand-alone programmer. It also tells the story about production programming challenges, how SparkFun came to this solution, and all the lessons learned along the way.

Recreating Classic Electronics Kits

January 13, 2014

100-in-1? 500-in-1? It's up to you when you build your own Science Fair style experiment board!

RedStick Hookup Guide

January 28, 2016

Learn about the SparkFun RedStick, a USB thumb drive-sized Arduino-compatible development platform.

Reducing Arduino Power Consumption

November 10, 2016

A tutorial about different ways to reduce the current draw for your next Arduino project the easy way.
Viewing 66 Electrical Engineering Tutorials. View All Tutorials.

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.