Technology

These are general tutorials covering a type of technology. How does the technology work? Why might I need it? What do I need to look out for when using it?

New!

What is GPS RTK?

September 14, 2018

Learn about the latest generation of GPS and GNSS receivers to get 2.5cm positional accuracy!

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.

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.

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.

Bluetooth Basics

August 26, 2013

An overview of the Bluetooth wireless technology.

Getting Started with Load Cells

June 11, 2015

A tutorial defining what a load cell is and how to use one.

Choosing an Arduino for Your Project

December 11, 2017

Examining the diverse world of Arduino boards and understanding the differences between them before choosing one for a project.

Getting Started with Electroluminescent (EL) Wire

July 13, 2018

This guide will help you get started with electroluminescent (EL) wire, tape, panel, chasing wire, and bendable wire to let your project glow!

Choosing a LilyPad Arduino for Your Project

October 27, 2015

Not sure which LilyPad Arduino is right for you? We'll discuss the features of each and help you decide.

Single Board Computer Benchmarks

July 31, 2015

How to set up different benchmarking programs on single board computers or computing modules and run them. The results for various generations are shown on the subsequent pages.

Accelerometer Basics

March 28, 2013

A quick introduction to accelerometers, how they work, and why they're used.

SD Cards and Writing Images

June 4, 2015

How to upload images to an SD card for Raspberry Pi, PCDuino, or your favorite SBC.

Shift Registers

August 23, 2013

An introduction to shift registers and potential uses.

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.

RedBoard vs. Uno

August 6, 2013

In this tutorial we discuss the differences and similarities between the RedBoard and the Arduino Uno (SMD and PTH). The development platforms

Diodes

May 9, 2013

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

Simultaneous RFID Tag Reader Hookup Guide

February 23, 2017

A basic guide to getting started with the RFID Tag Reader breakout and how to read and write multiple RFID tags over multiple feet!

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.

Gyroscope

February 1, 2013

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

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.

Discrete Semiconductor Kit Identification Guide

November 19, 2015

Get to know the contents of the SparkFun Discrete Semiconductor Kit.

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.

Transistors

July 1, 2014

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

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.