FastLED Files

The FastLED library for colored LED animation on Arduino

This is an exact mirror of the FastLED project, hosted at https://github.com/FastLED/FastLED. SourceForge is not affiliated with FastLED. For more information, see the SourceForge Open Source Mirror Directory.

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
Parent folder
3.9.20_ Misc Fixes source code.tar.gz	2025-06-05	12.0 MB	0
3.9.20_ Misc Fixes source code.zip	2025-06-05	12.4 MB	2
README.md	2025-06-05	201 Bytes	0
Totals: 3 Items		24.3 MB	2

Optional upgrade. Fixes fadeByLight not being in the global namespace. This fixes a regression that happened in 3.9.17.

Full Changelog: https://github.com/FastLED/FastLED/compare/3.9.19...3.9.20

Source: README.md, updated 2025-06-05

Other Useful Business Software

Our Free Plans just got better! | Auth0

With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.

Try free now

Build Securely on AWS with Proven Frameworks

Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.

Download Now

Recommended Projects

Android-Bootstrap
Bootstrap style widgets for Android, with Glyph Icons
Clonezilla
A partition and disk imaging/cloning program
Apache OpenOffice
The free and Open Source productivity suite
7-Zip
A free file archiver for extremely high compression
KeePass
A lightweight and easy-to-use password manager

FastLED Files

The FastLED library for colored LED animation on Arduino

Get an email when there's a new version of FastLED