Gathers data about energy consumption of a circuit (ie current) as well as humidity and temperature.
Monitoring of may 1,26 kWp installation. 4x315 W Csun PERC 2x Envertech 560 SDM 120 with RS485 to TTL connect to ESP8266 with ESPEasy software
Horizon Energy's 100kW Cupar project. Check out our weather!