# Tutorials

### Light

#### February 7, 2013

Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.

### IR Communication

#### February 7, 2013

This tutorial explains how common infrared (IR) communication works, as well as shows you how to set up a simple IR transmitter and receiver with an Arduino.

### How to Power a Project

#### February 7, 2013

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

### Analog to Digital Conversion

#### February 7, 2013

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

### Binary

#### February 7, 2013

Binary is the numeral system of electronics and programming...so it must be important to learn. But, what is binary? How does it translate to other numeral systems like decimal?

### LDK Experiment 1: Lighting Up a Basic Circuit

#### February 7, 2013

The first experiment in the LilyPad Design Kit series. In this exercise, you will learn how a basic e-textiles circuit works, and light up a sewable LED using a coin cell battery holder and conductive thread.

### 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.

### Battery Technologies

#### February 6, 2013

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

### 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.

### Pull-up Resistors

#### February 1, 2013

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

### Gyroscope

#### February 1, 2013

Gyroscopes measure the speed of rotation around an axis and are an essential part in determines ones orientation in space.

### Heating Pad Hand Warmer Blanket

#### January 21, 2013

DIY Project Idea: Create a custom hand warmer blanket using heating pads.

### Connector Basics

#### January 18, 2013

Connectors are a major source of confusion for people just beginning electronics. The number of different options, terms, and names of connectors can make selecting one, or finding the one you need, daunting. This article will help you get a jump on the world of connectors.

### Serial Peripheral Interface (SPI)

#### January 14, 2013

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

### Installing an Arduino Library

#### January 11, 2013

How do I install a custom Arduino library? It's easy! This tutorial will go over how to install an Arduino library using the Arduino Library Manager. For libraries not linked with the Arduino IDE, we will also go over manually installing an Arduino library.

### Using GitHub

#### December 30, 2012

How to use repositories and GitHub for version control.

### Serial Communication

#### December 18, 2012

Asynchronous serial communication concepts: packets, signal levels, baud rates, UARTs and more!

### 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.

### GPS Basics

#### December 14, 2012

The Global Positioning System (GPS) is an engineering marvel that we all have access to for a relatively low cost and no subscription fee. With the correct hardware and minimal effort, you can determine your position and time almost anywhere on the globe.

### Nest Thermostat Teardown

#### November 29, 2011

See the inner-workings of the most advanced thermostat to hit the market, the Nest.
Viewing all 820 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.