The Knight Rider (larson display) effect demo for AdaFruit NeoPixels (WS281x RGB LED) using the https://github.com/rpi-ws281x/rpi-ws281x-python library
Effect is based on the C Implementation https://github.com/technobly/NeoPixel-KnightRider
Clone the repo and install https://github.com/rpi-ws281x/rpi-ws281x-python.
git clone https://github.com/schnudeldudel/Neopixel-KnightRider-python.git
cd Neopixel-KnightRider-python
pip install -r requirements.txt