Simple weather station running on a NodeMCU (V3 - ESP8266) reporting data from a BMP180 sensor, a DHT11 and an LDR.
Logger for hamster wheels of two Syrian Hamsters, measured via affixed magnets and reed switches connected to ESP8266 boards
Using ESP8266 with Sensirion SCD30 and BME280 to monitor CO2 level, air humidity and temperature.
Weather station located in Uchaly (Russia). Hardware used: NodeMCU3 (ESP8266) + SHT31 + BME280 sensor.