r/FastLED is a subreddit with 22k members. The most common kinds of discussions are solution requests and ideas, and the community frequently discusses led, fastled, esp32, arduino, and strip, and they frequently recommend/review microcontroller.
This community is for users of the FastLED library. A place to discuss and share your addressable LED pixel creations, ask for help, get updates, etc. Help your fellow community artists, makers and engineers out where you can. Remember that everyone has different levels of experience and skill sets. Please be positive and constructive when sharing your knowledge and contributing to discussions.
Popular Themes in r/FastLED
#1
Solution Requests
: "Ws2812b upgrade"
3 posts
#2
Ideas
: "CH32V003 - 10 cents, 4x faster than the Arduino UNO, same SRAM size, 32 bit - Why is no one using this board?!?!"
3 posts
#3
Self-Promotion
: "LUMINOVA: Looking for Beta testers and introducing my application!"
2 posts
#4
Pain & Anger
: "I’m at ultra fest seeing the LED show and compared to what you all make, i am disappointed"
1 post
#5
Advice Requests
: "UCS7604 16 bit super LED chipset now in beta"
1 post
Popular Topics in r/FastLED
#1
Led
: "The many Leds at Burning Man"
135 posts
#2
Fastled
: "Fastled 3.9.16 Released - WaveSimulation, Advanced layer compositing - and more!"
130 posts
#3
Esp32
: "The Chronospore: My latest project, a fastLED and Esp32 notification light that reminds me to get up from my desk regularly"
40 posts
#4
Arduino
: "FastLED is about to take the #3 spot for the most popular library in Arduino!!"
36 posts
#5
Strip
: "I made a bluetooth controlled LED Strip!"
32 posts
#6
Ws2812b
: "Ws2812b upgrade"
27 posts
#7
Controller
: "I present: My open-source Artnet LED Controller project!"
24 posts
#8
Leds
: "Microsoft kicked the PlatformIO extension off of VSCode - let's show Ivan some support"
24 posts
#9
Help
21 posts
#10
Power
: "The Power consumption of 12v "Pebble" LEDS"
21 posts
Products Discussed in r/FastLED
Microcontroller
6 reviews
#1
Teensy
4.3★ from 4 reviews
#2
Espressif
4.0★ from 1 review
#3
Adafruit
4.0★ from 1 review
Flair Used in r/FastLED
#1
Share_something
: "Flying Holographic FastLED Display"
85 posts
#2
Announcements
: "FastLED 3.9.16 Released - WaveSimulation, Advanced layer compositing - and more!"
48 posts
#3
Discussion
: "La mia lampada in pietra e resina"
28 posts
#4
Support
: "FastLED 3.14 Released - Two New Boards added + mqtt fix"
16 posts
#5
Quasi-related
: "I used Codex for the first time"
4 posts
#6
Code_samples
: "I made a lavaless lava lamp with the fastled color palettes"
1 post
Member Growth in r/FastLED
Yearly
+2k members(11.1%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/FastLED, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: July 23, 2026