If you run into bugs with the library (compilation failures, the library doing the wrong thing), or if you'd like to request that we support a particular platform or LED chipset, then please open an issue at and we will try to figure out what is going wrong. If you need help with using the library, please consider going to the google+ community first, which is at - there are hundreds of people in that group and many times you will get a quicker answer to your question there, as you will be likely to run into other people who have had the same issue.
High performance - with features like zero cost global brightness scaling, high performance 8-bit math for RGB manipulation, and some of the fastest bit-bang'd SPI support around, FastLED wants to keep as many CPU cycles available for your led patterns as possible.voila! Your code is running with the new leds. Zero pain switching LED chipsets - you get some new leds that the library supports, just change the definition of LEDs you're using, et.Quick start for new developers - hook up your leds and go, no need to think about specifics of the led chipsets being used.We have multiple goals with this library: Github likes putting -branchname into the name of the folder, which unfortunately, makes Arduino cranky! Quick note for people installing from GitHub repo zips, rename the folder FastLED before copying it to your Arduino/libraries folder. Still keeping things as fast as possible. Your RGB values, as well as low level classes for abstracting out access to pins and SPI hardware, while Leds, this library also includes a number of functions for high-performing 8bit math for manipulating Sold by adafruit (Neopixel, LPD8806), Sparkfun (WS2801), and aliexpress.
This is a library for easily & efficiently controlling a wide variety of LED chipsets, like the ones It messes with some of the asm output which will cause you problems. IMPORTANT NOTE: If you are building for AVR based systems, please do not use any version of the arduino If you are using a linux system make sure you are using avr-gcc 4.8.x not avr-gcc 4.7.x. There are known issues with avr-gcc 4.7 and timing based chipsets like the WS2812B. IMPORTANT NOTE: For AVR based systems, avr-gcc 4.8.x is supported, as is avr-gcc 4.3 and earlier. This content is provided by the library maintainer and has not been validated or approved. A packaging of FastLED 3.1 for sparkcore and photon Library Read Me
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