Gasenergy log of 2 houses. See the summery of day, week and month between 2 different familys. See the real cost of gas in €. See the outdoor temperature and find out my best gas performance. Protect my environment and my wallet.
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.