IBEM ESP32-C3 IoT Battery Energy Monitor - Solar Test System. Example Real-Time Test Site Data taken from IBEM. Graphs provide basic quick overviews. Granular data available. Many other Variables can be exported. Various graph and widgets can be easily co
Pump Controller Based on Arduino and esp-link. The controller can monitor discharge head and motor current so to protect the pump from dry running. The controller send mqtt data via esp-link (act as serial wifi bridge) to an mqtt broker running. For mo
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.