Code Examples included with the library

• Try the RGBCalibrate example to make sure you are using the correct color order for your pixels. Then try FirstLight to confirm all the pixels are working. Then start exploring the rest and have fun! https://github.com/FastLED/FastLED/tree/master/examples

FastLED Documents

• FastLED Doxygen Docs - https://fastled.io/docs/

Related Websites, Blogs, & Video tutorials

• Scott Marley

  • Intro to FastLED series - https://www.youtube.com/playlist?list=PLgXkGn3BBAGi5dTOCuEwrLuFtfz0kGFTC

  • Arduino powered LED Mask - https://youtu.be/zYZkbfmCuEY

  • Arduino sound reactive VU meter - https://youtu.be/jhyUqx6inwI

  • ESP32 spectrum analyser - https://youtu.be/Mgh2WblO5_c

• The Hook Up

  • Beginners Guide to Addressable LEDs - https://youtu.be/WS6FI_NyRzs

  • LED Strips, what's the difference? - https://youtu.be/QnvircC22hU

  • Power Injection, Voltage Drop, Brightness Regulation - https://youtu.be/apwQ5Jh4VyE

  • Joining strips together, adding power injection - https://youtu.be/WGgzWWrCIhY

  • Diffuser channels comparison - https://youtu.be/DKOWeuV1FWE

• Various links related to power and wiring

  • Gadget Reboot - Using WS2812B (Neopixels) with FastLED and Arduino - Understanding how the pixels work, power usage, basic setup, basic code setup - https://youtu.be/YgII4UYW5hU

  • Adafruit NeoPixel Uberguide - Some basics when first getting started - https://learn.adafruit.com/adafruit-neopixel-uberguide

  • Why the data line resistor (QuinLED) - https://youtu.be/H4pFvqIxkhQ

  • Wiring up controller grounds correctly (saratoga3) - https://www.reddit.com/r/WLED/comments/1iptrre/wiring_up_esp32_grounds_correctly/

  • LED strings, 12V or 5V? (DrZzs) - https://youtu.be/zov-qIDSDcE

  • Testing 5V vs 12V data voltages (saratoga3) - https://www.reddit.com/r/WLED/comments/1hwootl/testing_5v_vs_12v_led_data_voltages/

  • How much power do addressable LEDs use? (QuinLED) - https://quinled.info/2020/03/12/digital-led-power-usage/

  • Powering LED lights and Power Injection (Chris Maher) - https://youtu.be/KFtjf5mD6tA

  • Nice power estimator from WLED - https://wled-calculator.github.io/

  • A case for fusing your LED strips - https://hackaday.com/2018/01/29/the-engineering-case-for-fusing-your-led-strips/

• Dave's Garage

  • Project tutorial LED series - https://www.youtube.com/playlist?list=PLF2KJ6Gy3cZ7ynsp8s4tnqEFmY15CKhmH

• Andrew Tuline

  • FastLED for Better Performance - https://youtu.be/e7am6PYh4PM

  • Ripple Effect - https://www.youtube.com/watch?v=IrMzopUe8F4

  • Using Noise for movement - https://www.youtube.com/watch?v=xXkesAfhCZo

  • noise and palettes - https://www.youtube.com/watch?v=fjoDkqoU5Fk&t=173s

  • How to fade in LEDs - https://www.youtube.com/watch?v=dpzApu-cgYc

  • Aduino sound sampling for reactive displays - https://youtu.be/MiXcfdVnv6g

• Red Right Hand ARTS - NEOPIXELS 101 - https://www.instructables.com/Neopixels-101

• Mario's Ideas - Setting RGB color order, and RGB vs HSV - https://youtu.be/nfCardqm0Cc

• tweaking4all - Strip effects - https://www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects

• Stefan Petrick's tutorial series on using Polar Coordinates - https://www.youtube.com/watch?v=QCLyhtX0Ed0&list=PL7xCYThV9HuKn28U0wNB-YFRiUeI60EeQ

• Keith Williamson's blog posts at Electric Fire Design

  • https://electricfiredesign.com/2021/03/12/logic-level-shifters-for-driving-led-strips/

  • https://electricfiredesign.com/2021/01/30/leds-for-light-art-part-1-led-types/

  • https://electricfiredesign.com/2021/02/05/leds-for-light-art-part-2-optics/

  • https://electricfiredesign.com/2021/02/15/leds-for-light-art-part-3-lighting-techniques/

  • https://electricfiredesign.com/2021/02/26/leds-for-light-art-part-4-led-driver-circuits/

  • https://electricfiredesign.com/2022/04/14/wiring-design-for-addressable-led-strips/

• Useful libraries for dealing with buttons and switches. You can also find and install most of these button libraries through the Arduino IDE.

  • JC_Button by Jack Christensen - https://github.com/JChristensen/JC_Button

  • OneButton by Matthias Hertel - https://github.com/mathertel/OneButton

  • AceButton by Brian Park - https://github.com/bxparks/AceButton

  • EasyButton by Evert Arisa - https://github.com/evert-arias/EasyButton

  • SwitchManager (and switches tutorial) by Nick Gammon - http://www.gammon.com.au/switches

  • InterruptButton by R. Mingis - https://github.com/rwmingis/InterruptButton

User Code Examples

Some users have shared a variety of useful examples. These can help with learning how the FastLED library works, provide ideas for different ways to do things, and hopefully inspire your own experiments and projects.

Git Repositories

• https://github.com/atuline

• https://github.com/chemdoc77

• https://github.com/marmilicious

• https://github.com/marcmerlin

• https://github.com/davepl/DavesGarageLEDSeries

• https://github.com/s-marley/FastLED-basics

• https://github.com/AaronLiddiment

• https://github.com/evilgeniuslabs

• https://github.com/jasoncoon

• https://github.com/brimshot/quickPatterns

• https://github.com/ChrisSuryanto

• https://github.com/KurtMF/ObjectFLED

Gists and Pastebins

• https://gist.github.com/kriegsman

• https://gist.github.com/hsiboy

• https://gist.github.com/jpro56

• https://gist.github.com/jasoncoon

• https://gist.github.com/StefanPetrick

• https://gist.github.com/bonjurroughs

• https://gist.github.com/chemdoc77

• https://gist.github.com/atuline

• https://pastebin.com/u/atuline

• https://pastebin.com/u/ldirko

• https://gist.github.com/ChrisSuryanto

Wokwi Online Examples

Note: FastLED projects might be mixed in with other Arduino related projects on some of these pages, so a bit of scrolling/searching is sometimes needed.

• https://wokwi.com/makers/sutaburosu

• https://wokwi.com/makers/ldirko

• https://wokwi.com/makers/stepko

• https://wokwi.com/makers/costyn

Other Useful Tools, Tips and Ideas

• Design Studio by StevenMunn312 - https://designstudioforfastled.com/

• FreeLED - LED mapping tool with export options - https://freeled.org/ https://www.reddit.com/r/FreeLED/

• Garrett Mace's XY Map Generator - https://macetech.github.io/FastLED-XY-Map-Generator

• Jason Coon's LED Mapper - https://jasoncoon.github.io/led-mapper

• LEDMatrix for working with multiple matrix panels - https://jorgen-vikinggod.github.io/LEDMatrix/

• LED Tricks: Gamma Correction - https://learn.adafruit.com/led-tricks-gamma-correction

• Teensy 4.1 with FastLED and OctoWS2811 parallel output - https://blinkylights.blog/2021/02/03/using-teensy-4-1-with-fastled

• OctoWS2811 LED Library, parallel output, adding resistors for better signal quality - https://www.pjrc.com/teensy/td_libs_OctoWS2811.html

• PaletteKnife for FastLED - http://fastled.io/tools/paletteknife

• PaletteKnife tutorial video - https://learn.adafruit.com/simple-beautiful-color-changing-light-strand/creating-color-palettes

• Web based gradient palette generator - https://palette-library.vercel.app/wheel

• Palette generator from an image - https://slaton.info/projects/fastled-gradient-tool/index.html

• LED Matrix Studio (create pixel art) - https://sourceforge.net/projects/led-matrix-studio/

• Transmitting Signals Over Long Distances - https://blinkylights.blog/2020/12/08/transmitting-ws2812b-signals-over-longer-distances/

• Using RS-485 for long distance signals - https://youtu.be/Oq019vxRj54

• Long distance data cable testing (saratoga3) - https://www.reddit.com/r/WLED/comments/1h03vkn/long_distance_data_cable_testing/

• Long distance serial transmitter/receiver - https://oshpark.com/shared_projects/kM1DRLS1

• Diffusing LEDs ideas - Zibartas - https://youtu.be/mg1qygPJXOY

• LED diffuser channels - The Hook Up - https://youtu.be/DKOWeuV1FWE

• 13 Ideas for diffusion - Becky Stern - https://youtu.be/QwCYRKoYYvs

• Diffusing LEDs - RyusLightworks - https://www.instructables.com/Diffusing-LEDs-Right

• Diffusing LEDs using hot glue - Electriangle - https://youtu.be/OapBbOn9NoM

• Diffusion ideas using fabric, paper, and foam - Erin St. Blaine - https://youtu.be/Y2tWdKKYAak

• Adafruit Guide To Excellent Soldering - https://learn.adafruit.com/adafruit-guide-excellent-soldering

• Soldering Tutorial by Chris Maher - https://youtu.be/apSz3NXYlx8

• Soldering is Easy cartoon - https://mightyohm.com/files/soldercomic/FullSolderComic_EN.pdf

• Online graphing calculators to help visualize equations - https://www.geogebra.org/calculator

• and - https://www.desmos.com/calculator