Environmental conditions in the Make Hack Void building in metric units. Humidity is relative and air pressure in hPa is adjusted to sea level. This data is acquired with an ESP8266 Wemos using the source code at https://github.com/kentaylor/esp8266-weat
my third tempbug: http://www.instructables.com/id/TempBug-internet-connected-thermometer/?ALLSTEPS likely to be used for testing
An ESP8266 -12E based temperature controller for a 200L ugly drum smoker