The environmental data from DHT11 via ESP8266 recording the rented accommodation Temperature and Relative Humidity
EDP8266-12E with Arduino Nano I2C Slave posting MQ-XXX Sensor Data to monitor Air Quality
Bodenfeuchtekontrolle via Arduino und Hygrometer - Control rising damp via arduino and hygrometer
Chicken coop controller. Freeze protection. Quarantine. Outside, Indoor and Water temperature. Web interface. RTC3231. Manual, Lightsensor (Dusk-to-Dawn), Schledule (time), Sunrise-sunset (calculated)