Is it possible to connect a emontx3 with the add on Wi-Fi module to my local emoncms via my pi to monitor my solar install. I already monitor my heatpump and use the heatpump app and would like to do the same and use the my solar app too. Any help would be great.
Yes, you should be able to do this.
You’ll need a slighly modified ESP8266 and a separate 5 V 1 A d.c power supply, because we don’t allow the emonTx to take enough current from the 9 V a.c. adapter to power the WiFi as well. It’s all clearly spelled out here: