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Best of FastLED Discussions
There's a good discussion forum for FastLED on Google Plus: https://plus.google.com/communities/109127054924227823508
The FastLED developers are active participants, as are a growing number expert users.
This page collects up a few links to some of the most useful, most helpful, most interesting, or simply most lengthy discussions that have taken place over there.
["Fire2012": Fire simulation for Arduino and FastLED] (https://plus.google.com/112916219338292742137/posts/CC6yursCCrN) Includes video and full source code.
[2-D XY Matrix sample] (https://plus.google.com/112916219338292742137/posts/Xg76A57iXV6) Includes sample code and video.
Anti-aliasing aka fractional pixels aka sub-pixel rendering Includes video and sample code.
[Where to buy 'larger' quantities of LEDs] (https://plus.google.com/103458998373117296828/posts/bNrHBbjgysZ) Pros and cons of eBay, AliExpress, and various specific suppliers.
[Which 'library' is smaller, FastLED or Adafruit Neopixel?] (https://plus.google.com/112916219338292742137/posts/6AUgfAKWVs5) TL;DR: for many animations, using FastLED results in smaller code.
If you see a discussion that you think should be added here, please let us know!