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