For "raspberry zero w" with python2.7

Update software

  sudo apt-get update

Install necessary packets

  sudo apt-get install gcc make build-essential python-dev git scons swig
  sudo reboot

ws2812 lib install

  sudo apt-get update
  git clone https://github.com/jgarff/rpi_ws281x
  cd rpi_ws281x/
  sudo scons
  cd python
  sudo python setup.py build
  sudo python setup.py install