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This Tutorial is Retired!

This tutorial covers concepts or technologies that are no longer current. It's still here for you to read and enjoy, but may not be as useful as our newest tutorials.

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Contributors: Englandsaurus

Resources and Going Further

For more information, check out the resources below:

Need some inspiration for your next project? Check out some of these related tutorials:

Light-Emitting Diodes (LEDs)

Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.

How LEDs are Made

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

Qwiic Twist Hookup Guide

Take your volume knob beyond 11 with the Qwiic Twist digital RGB LED encoder via I2C!

RP2040 Thing Plus Hookup Guide

Want to take a stab at advancing your programming skills? Check out the Thing Plus - RP2040, with the first microcontroller from the Raspberry Pi Foundation. This guide will get you started working with the RP2040 and programming in MicroPython and C/C++.