r/FastLED is a subreddit with 22k members. The most common kinds of discussions are solution requests and advice requests, 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"
6 posts
#2
Advice Requests
: "UCS7604 16 bit super LED chipset now in beta"
4 posts
#3
Ideas
: "CH32V003 - 10 cents, 4x faster than the Arduino UNO, same SRAM size, 32 bit - Why is no one using this board?!?!"
2 posts
#4
Pain & Anger
: "Single color WS2811 strip, flickering on lower brightness?"
1 post
#5
Self-Promotion
: "I made an app for controlling two neopixel sticks if anyone wants to check it out."
1 post
Popular Topics in r/FastLED
#1
Led
: "3D Point Cloud Led Christmas Tree"
135 posts
#2
Fastled
: "Another online Fastled simulator"
130 posts
#3
Esp32
: "Suggested IDE/platform/framework for Esp32-P4-WIFI6?"
40 posts
#4
Arduino
: "CH32V003 - 10 cents, 4x faster than the Arduino UNO, same SRAM size, 32 bit - Why is no one using this board?!?!"
36 posts
#5
Strip
32 posts
#6
Ws2812b
: "Ws2812b upgrade"
27 posts
#7
Controller
24 posts
#8
Leds
24 posts
#9
Help
21 posts
#10
Power
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"
62 posts
#2
Support
: "Wearable LED build - wiring help?"
43 posts
#3
Discussion
: "La mia lampada in pietra e resina"
41 posts
#4
Announcements
: "Another free and super handy LED mapping tool"
25 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"
2 posts
Member Growth in r/FastLED
Yearly
+2k members(10.2%)
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About
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Last updated: September 7, 2026