LEDs

Light-Emitting Diodes (LEDs) are small, powerful lights that are used in many different applications. Blinking an LED is the classic starting point for learning how to program embedded electronics. It's the "Hello, World!" of microcontrollers. We recommend looking at the LED tutorial and SIK experiment guide to get started.

LilyPad Pixel Board Hookup Guide

September 16, 2015

Add changing colors to your wearable projects using LilyPad Pixel Boards.

IR Control Kit Hookup Guide

October 2, 2013

How to get the most out of the infrared receivers and transmitters included in the IR Control Kit.

Das Blinken Top Hat

January 22, 2014

A top hat decked out with LED strips makes for a heck of a wedding gift.

Using Artnet DMX and the ESP32 to Drive Pixels

March 29, 2018

In this tutorial, we'll find out how to use Resolume Arena, a popular video jockey software, to control custom-made ArtNet DMX fixtures.

Simon Says Experiments

October 21, 2010

So you've built up a Simon Says kit? What next? This tutorial will get you up and running with Arduino software, guide you through a few example sketches, and send you on your way to create your own. Careful, this stuff is highly addictive. :)

Rotary Dial Kit Assembly Guide

June 22, 2018

Put together your Rotary Dial Kit and light it up with our Arduino example code!

Hackers in Residence: The Sound Visualizer Pt. 2

May 7, 2015

An addition to a previous project, this time using a PC and a custom Java app to create your own music visualizer using a RGB LED matrix.

Button Pad Hookup Guide

January 7, 2016

An introduction to matrix scanning, using the SparkFun 4x4 Button Pad.

Humidity-sensing LED Flower

October 28, 2014

How about that humidity? This tutorial shows how to add sensing capability to the 21st Century Fashion Kit's RGB flower project.

Craft a Holiday Greeting with Love to Code

March 23, 2018

Craft your own paper circuit holiday greeting using the LEDs, a Chibi Chip, Love to Code!

Quick Illuminated Boxes

December 16, 2013

A quick tutorial to show you how to add LEDs to gift or holiday bags or boxes.

Let It Glow Holiday Cards

November 20, 2014

Craft a glowing card for friends and family this holiday season with paper circuits - no soldering required!

LED Robot Pop Up Card

August 19, 2015

Craft a paper circuit pop up card with a cycling RGB LED, battery, and copper tape.

Light-Up Valentine Cards

January 27, 2015

Light up your love with paper circuits - no soldering required!

LED Butterfly Pop Up Card

August 19, 2015

Craft an illuminated butterfly pop up card with copper tape, two LEDs, and a battery.

Hackers in Residence: The Sound Visualizer

March 23, 2015

A fun project that uses a Raspberry Pi and a custom Java app to create your own sound visualizer using a RGB LED matrix.

DIY Heated Earmuffs

January 31, 2018

Embedded with heating pads and four Neopixel rings, these earmuffs do more than your average winter accessory to keep you warm while still looking good.

Light Up Silk Flower Corsage

April 20, 2015

Combine a silk flower with a built-in RGB LED and some LilyPad Switches to create a customizable accessory.

Dot/Bar Display Driver Hookup Guide

January 16, 2014

How to hook up the LM3914 or LM3916 to drive a 10-LED display with a lone analog signal.

Lumenati Alien Garden

November 3, 2017

Use Lumenati LED boards to add glow to your own alien garden.

Spectacle Light Board Hookup Guide

May 4, 2017

All the information you need to use the Spectacle Light Board in one place.

Spectacle Light Kit Hookup Guide

May 4, 2017

All the information you need to use the Spectacle Light Kit in one place.

LED Crystal Goddess Crown

September 27, 2017

Follow this tutorial to make your own Crystal Goddess Crown with LEDs!

LED PomPom Headbands

June 14, 2017

Follow this tutorial to make your own light up PomPom headband! Try the beginner version if you are new to electronics or the advanced version if you have some more experience!
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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.