Hi,
some weeks ago my smart meter was installed. The data I wanted to expose using an Arduino, Ethernet shield and MQTT as protocol. I could not find a suitable plugin for HS3, so last week I started to build one myself. The initial version is attached.
The MQTT plugin:
In the config page you can select the IP address of the broker (I am using Mosquitto running an my Linux server).
Selecting 'Monitor Broker' will listen to ALL MQTT topics that the broker receives.
On the subscription page you are able to add/edit MQTT devices; both the discovered ones, but you can also add one manually.
On the publish page you can select which homeseer devices to publish when its data is changed.
Regards,
Geert-Jan