====== Závlaha ======

http://www.sorryman.cz/zavlahovy-system-svepomoci/

===== Schéma =====
  - https://qelectrotech.org/download.html
  - http://fritzing.org/home/

https://michalsiot.wordpress.com/2018/10/22/project-post-1-2-pridani-chromecastu-do-systemu-openhab/

https://community.openhab.org/t/oh2-control-esp8266-relay-using-mqtt-eventbus/18127