=== Hardware ===
 Connect WS2812 strip to GPIO18 of Raspberry

=== User library ===
Library: https://github.com/jgarff/rpi_ws281x
Installation:
<code bash>
sudo apt-get install scons
git clone https://github.com/jgarff/rpi_ws281x
cd rpi_ws281x
sudo scons
sudo ./test
</code>

=== Kernel driver ===
https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=146535