Ready-made stack with installation scripts, making use of docker to install a fully working and nicely integrated stack of containers on your Pi.
Adds additional niceties (like turning off swap, writing logs to memory) that improve Pi performance (and life-time of SD cards) - most of which can be adapted reading through the source.
Especially interesting for things like NodeRED which are not just interesting for IOT.
NEW Stack migrated here: https://github.com/SensorsIot/IOTstack
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Setting up WLED on ESP8266
WLED library gets native Home Assistant API integration. This post walks you through everything you need to get up and running.