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.

FemtoBuck Constant Current LED Driver Hookup Guide v13

December 10, 2015

The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.

Flashlight Kit

October 11, 2018

This is an assembly guide for the SparkFun Flashlight Kit, a basic learn to solder kit.

Gator:color ProtoSnap Hookup Guide

October 18, 2018

Clip some LED's onto your gator:bit with the gator:color.

Gator:starter ProtoSnap Hookup Guide

October 18, 2018

Get started clipping sensors and lights to the micro:bit with the gator:starter gator:board from SparkFun!

Getting Started with the MyoWare® 2.0 Muscle Sensor Ecosystem

April 1, 2022

The MyoWare® 2.0 Muscle Sensor, an Arduino-compatible, all-in-one electromyography (EMG) sensor from Advancer Technologies. In this tutorial, we will go over the features and related shields to connect the sensor to a muscle group.

Getting Started with the SmartLED Shield for Teensy

November 9, 2018

In this tutorial, we will connect different RGB LED matrix panels to PixelMatix's SmartLED shield and Teensy.

Getting Started with the Teensy

June 18, 2015

Basic intro to the Teensy line of products, with soldering and programming suggestions.

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.

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.

How LEDs are Made

May 28, 2014

We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.

How to Power a Project

February 7, 2013

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

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.

Interactive 3D Printed LED Diamond Prop

April 19, 2018

In this tutorial, we will learn about how to create an interactive theatrical prop for a performance by 3D printing a translucent diamond prop using a non-addressable RGB LED strip and AT42QT1011 capacitive touch sensing.

Interactive Hanging LED Array

April 10, 2014

Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.

Interactive LED Music Visualizer

May 31, 2016

Use an Arduino and the SparkFun Sound Detector to create visualizations on Addressable RGB LED strips.

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.

Large Digit Driver Hookup Guide

June 25, 2015

Getting started guide for the Large Digit display driver board. This tutorial explains how to solder the module (backpack) onto the back of the large 7-segment LED display and run example code from an Arduino.

LED Butterfly Pop Up Card

August 19, 2015

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

LED Cloud-Connected Cloud

February 22, 2016

Make an RGB colored cloud light! You can also control it from your phone, or hook up to the weather!

LED Crystal Goddess Crown

September 27, 2017

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

LED Gumball Machine

April 24, 2019

Hacking gumball machines to make the world a happier, blinkier place.

LED Light Bar Hookup

September 24, 2013

A quick overview of SparkFun's LED light bars, and some examples to show how to hook them up.

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.