ESP-32/BME280 combo, solar power with LiPo battery. Location: Immelstetten, Bavaria, Germany.
Weather from my backyard https://www.opengreenenergy.com/solar-powered-wifi-weather-station-v3-0/#_Uploading_Sensor_Data_to_ThingSpeak
Main Voltage / Consumption Electrical Current of My Private Room (Location: Tehran-Iran)
componente practico ingeniería de servicios telematicos