Links:
Revision 1:
http://deadawp.blog.sector.sk/blogclanok/13238/hladinomer-revizia-1-prehlad.htm
Sigfox support:
http://deadawp.blog.sector.sk/blogclanok/13277/prenos-cez-sigfox-iot-siet-hladinomer-a-zrazkomer.htm
Github Pages - Information about the project Level meter:
https://martinius96.github.io/hladinomer-studna-scripty/en/
Test web interface for Level Meter:
http://arduino.clanweb.eu/studna_s_prekladom/?lang=en
Github project repository with libraries and program implementations:
https://github.com/martinius96/hladinomer-studna-scripty/