I am trying to learn a bit more about what all the moving pieces are in this Emon suite. Is the EmonHub only used if the power sensors are connected directly to the board that is running EmonHub? To support the RFM69 input on an EmonPi? The docs say it is a python script that reads from serial and passes to MQTT. Is that right?
So, if I have a Split Single Phase Energy Meter that consists of the sensors, and an ESP that is sending data via MQTT (configured via EmonESP) to my own RaspberryPi running the preconfigured SD card, is EmonHub skipped? It looks to me like the emoncms_mqtt.php file is running listening for topics and takes that data and puts it into MySql for EmonCMS to use, which seems to suggest that. Yes?