Arduino based Carrier Comfort Zone II (CZII) rs485 protocol to MQTT converter using an ESP8266.
Documentation and information about the CZII serial protocol is available on the Wiki.
Carrier Comfort Zone II (CZII) rs485 protocol to MQTT
License: MIT License
Arduino based Carrier Comfort Zone II (CZII) rs485 protocol to MQTT converter using an ESP8266.
Documentation and information about the CZII serial protocol is available on the Wiki.
I've been able to get most everything working in test mode from your example code (although I'm not connected to my CZII controller board yet since it's at my vacation home). I'm finding that getting the OpenHAB environment setup is a bit confusing due to the nature of it's behind the scenes configuration files.
I'm able to read the MQTT published payload with other tools (MQTT.fx) or MQTT Buddy on my iphone but these don't seem to translate the the JSON payloads. I'm assuming this is part of the capability of OpenHAB that gets you the screen you displayed on the HVAC forum? Any insights on this?
Can you possibly post up some information about the configs for OpenHAB to read the MQTT info? (config file examples, etc...)
Any insights are appreciated.
Hey this is great stuff and was curious if you could help with details on how you wired this to the CZII control module? Since I haven't used any of the hardware components and I'd love to get help on the breadboard layout and if there are specifics to set it up properly.
I'm assuming these are the components you used and plugged into the breadboard (let me know if I'm incorrect):
https://www.amazon.com/dp/B0135IQ0ZC/?coliid=I2OVQTK7AH7ET0&colid=3TL3TG07QYEXR&psc=0&ref_=lv_ov_lig_dp_it
Does the breadboard provide power to the components plugged into it? If so what's required for that and where does the power come from?
Also, I assume the 4-wires in the middle of this are simply splicing into the original wiring from the existing manual thermostat? Is there anything special about those wires and how those connections are mapped to the RS485 module? I didn't find any pin mapping configurations in the code but I may not know what I'm looking for.
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