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).
Logging greenhouse humidity and temperature with a NodeMCU / DHT22 sensor
AM2302 sensor in greenhouse and openweathermap re-posting of nearby location through their API
ESP8266 (Controller/WiFi) and Bosch BME280 (barometer) powered by cannibalised garden LED solar lamps. Cycle: 300 sec. deep sleep, 5 sec. broadcast.
Outdoor temperature and barometric pressure in northern Nørresundby, Denmark