Built on Open Source Hardware, see https://www.instructables.com/Solar-Powered-WiFi-Weather-Station-V20/

ESP32 Weather station with modified software

Weather station kit

Data logging of temperature, humidity, and barometric pressure read by a BME280 and submitted by an ESP8266.

Weather Station

Displays various atmospheric parameters.

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Weather observation at Moscow south

Mi pequeña estación meterológica

BME readings inside house

weather and irrigation data

Weather station at Drzkov, northern part of Bohemia, foothills of the Giant Mountains and the Jizera Mountains, 500 m above sea level. (ESP8266 + BME280 + SolarPanel + LiFePO4 3V).

Calculated data from weather station at Drzkov, northern part of Bohemia, foothills of the Giant Mountains and the Jizera Mountains, 500 m above sea level. (ESP8266 + BME280 + SolarPanel + LiFePO4 3V).

Solar powered weather station based on a ESP8285 board and a few sensor. Use a 75F 5.4V supercap as energy storage. Target to be as low power as possible.

Battery with solar charger