Temperature and rel. Humidity

Arduino Pro Mini (3.3 V, 8 MHz) measuring outside temperature and humidity using a DHT21. Powered by 3 AA eneloops using (only) the on-board voltage regulator. Battery voltage is measured by internal ADC. Wifi connected by esp8266
  DHT21, esp8266, Arduino, temperature, humidity, Hamburg, Harburg, IOT

Current Values text
Hourly median voltage of the last 30 days
Channel Status Updates
Field 1 Chart
Temperature variation over the last seven days
Field 2 Chart
Dew Point
Temperature variation over the last 12h
Channel Location
Field 5 Chart