The solar-powered smart-flowerpot project with the ESP32 micro-controller unit. (Temperature, Humidity, Illuminance (Lux), Soil Moisture, Soil Salinity, Battery Voltage)

Sistem de monitorizare a activitatii solare

10 Wp solar panel, two 3400 mAh Li-CoO2 18650 batteries in parallel, permanent small ~50 mW load. A shunt regulator limits battery voltage to 4.1 V. An externally powered ESP32 measures sol and bat powers for ThingSpeak.

PV 2 x 275Wp

Test solar panel