# Electrical Engineering

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

### Alternating Current (AC) vs. Direct Current (DC)

#### September 5, 2013

Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.

### Analog to Digital Conversion

#### February 7, 2013

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

### Analog vs. Digital

#### July 18, 2013

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

### Battery Technologies

#### February 6, 2013

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

### Beginner Parts Kit Identification Guide

#### March 22, 2019

The essential parts for beginning (or even experienced) hobbyists that gives you all of the basic through-hole components you will need to get started playing with embedded projects. We'll identify a few parts in the kit and provide a few basic circuits to get started!

### Boss Alarm

#### March 30, 2016

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

### 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.

### 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.

### Constant Innovation in Quality Control

#### December 11, 2013

In this article, we share our recent advancements in quality control. Along with making our tests more thorough, we have also made them more efficient and robust.

### Current Sensor Breakout (ACS723) Hookup Guide

#### June 21, 2018

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

### Digital Logic

#### October 3, 2013

A primer on digital logic concepts in hardware and software.

### Diodes

#### May 9, 2013

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

### 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!

### General Guide to SparkFun Blocks for Intel® Edison

#### January 5, 2015

A general guide for using SparkFun Blocks for Intel® Edison in your next project!

### Getting Started with LTspice

#### March 1, 2017

LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.

### How to Install an ATtiny Bootloader With Virtual USB

#### February 14, 2017

With this, you will be able to upload Arduino sketches directly to the ATtiny84 over USB without needing to use a programming device (such as another Arduino or FTDI chip).

### How to Power a Project

#### February 7, 2013

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

### How to Read a Schematic

#### July 12, 2013

An overview of component circuit symbols, and tips and tricks for better schematic reading. Click here, and become schematic-literate today!

### 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.

### How to Use a Multimeter

#### January 9, 2015

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

### 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.
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.