# Tutorials

### Installing Arduino IDE

#### March 26, 2013

A step-by-step guide to installing and testing the Arduino software on Windows, Mac, and Linux.

### Creating a Humidor Control Box

#### March 13, 2013

Because some of our boards need to be re-humidified after reflow, we decided to make our own humidor. This tutorial will focus on how to model a project in 3D and then fabricate it using a CNC routing machine.

### The Uncertain 7-Cube

#### March 8, 2013

The Uncertain 7-Cube is a non-committal, less-than-helpful, but also entirely honest fortune teller. Simply ask it a yes or no question, give it a nudge, and the 7-Cube will dutifully inform you that it doesn’t have all the facts and doesn’t feel comfortable making a guess.

### Pulse Width Modulation

#### February 27, 2013

An introduction to the concept of Pulse Width Modulation.

### Soft Circuits: LED Feelings Pizza

#### February 13, 2013

Here we will learn how to say how you feel with pizza. Electric pizza.

### Voltage Dividers

#### February 8, 2013

Turn a large voltage into a smaller one with voltage dividers.

### 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.

### 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.

### 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?

### 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.

### 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.

### 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.

### 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.

### 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.
Viewing all 756 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.