ESP8266 Multi Sensor BME280 (battery powerd) - T, Humidity and hPa, incl. Code

I started my Home Assistant instalation a few day ago and now added these sensors to it (will make a window reed contact next on the same base).

The ESP ist running on the ESPhome software (you can find a good guide in how to wire up the esp12 here - http://domoticx.com/esp8266-wifi-esp-12-module-aansluiten/). For the deep sleep mode you need to connect the GPIO16 pin to reset. Otherwise the ESP will not wake up.

I'm using the following code in ESPhome - for the first test you can delete t