This code can run on macosx to integrate the mac bluetooth BLE stack with the Danfoss ECO2 etrv. raw code so working now on making it into a proper class and getting more generic functions setup (like which eco2 to control)
uses PyObjC to interface with mac corebleutooth library
need to press button to retrieve key for en/decryption.
plan now is to build an MQTT interface which can be queried by e.g. home-assistant
all fb welcome