Hello, i found in the german ct a Report
of the nextion.
https://www.youtube.com/watch?v=t3y08wBBB8c
http://tech.scargill.net/nextion-displays-and-the-esp8266/
http://blog.iteadstudio.com/weather-station-use-nextion-4-3-with-wboard/
https://youtu.be/v5uJicsZGUs

has anyone experience with this device?