r/FastLED is a subreddit with 22k members. The community frequently discusses led, fastled, esp32, arduino, and strip, and they frequently recommend/review microcontroller, and the most common flair used is support, share_something, discussion, announcements, and quasi-related.
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 Topics in r/FastLED
#1
Led
135 posts
#2
Fastled
130 posts
#3
Esp32
40 posts
#4
Arduino
36 posts
#5
Strip
32 posts
#6
Ws2812b
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
Support
: "Wearable LED build - wiring help?"
30 posts
#2
Share_something
: "Patternflow — an open-source LED synthesizer with 30+ generative patterns, playable in the browser or on real hardware"
28 posts
#3
Discussion
: "FastFluid Update — Behind the Scenes of a Realtime Fluid Solver"
17 posts
#4
Announcements
: "Another free and super handy LED mapping tool"
13 posts
#5
Quasi-related
: "White-extraction handling in a 4-diode RGBW LED Display"
3 posts
Member Growth in r/FastLED
Yearly
+2k members(10.1%)
Similar Subreddits to r/FastLED
r/arduino
786k members
8.3% / yr
r/ArduinoProjects
209k members
7.7% / yr
r/AskElectronics
948k members
8.5% / yr
r/esp32
219k members
50.8% / yr
r/led
37k members
29.7% / yr
r/microcontrollers
28k members
24.9% / yr
r/Smart_home
172 members
41.0% / yr
r/WLED
71k members
27.3% / yr
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: September 30, 2026