Lolin D1 Mini with Environmental Shields, Battery Shield and OLED Display for Portable Use
Solar hot water panels. Controlled with ESP8266 Wemos D1 mini. Pump turns on to pump water when it's hotter outside.
The CraftBeerPi temperature sensor logging for the brewery Wee Fassi.
Temperature and humidity acquisition using Arduino Pro Mini and DHT22.
Distinct weather sensors collect the data of respective weather parameters and the collected data is accessible through internet.