Microcontroller: Lolin NodeMCU version 3. 2. BME280 for pressure. SHT20 for humidity and temperature outside and inside the greenhouse. Earth temperature (DS18B20) inside and outside the greenhouse. Irrigation water (Hall Sensor YF-S201).
Temperature under the ground, soil temperature. DS18B20 and NodeMCU. Ultrasonic distance meter to the ground indicating snow on the ground.