Chips used:
![](https://blog.danman.eu/wp-content/uploads/2020/02/IMG_20200219_232141-scaled-e1582188921870-768x1024.jpg)
![](https://blog.danman.eu/wp-content/uploads/2020/02/IMG_20200219_232755-scaled-e1582188941281-768x1024.jpg)
![](https://blog.danman.eu/wp-content/uploads/2020/02/IMG_20200219_232820-768x1024.jpg)
Links
- https://github.com/xrucka/cometblue
- https://github.com/Hy3n4/ha-cc-cometblue
- https://www.torsten-traenkner.de/wissen/smarthome/heizung.php
- https://github.com/esphome/feature-requests/issues/485
- https://github.com/GrumpyMeow/esphome-components
- https://github.com/gnbl/sparmatic2011
- https://www.mikrocontroller.net/articles/Sparmatic_Heizungsthermostate
- https://blog.renekliment.cz/2015/11/termostaticka-hlavice-z-lidlu-s-atmega-169.html
- https://github.com/MrKrabat/Comet-Blue-Thermostat