Wemos D1 mini (with embedded ESP8266 module) can not connect to Firebase

pylon:
I cannot see that he's using HTTPS, as far as I can tell from the video it work(ed) with HTTP, at least for him.

Have you checked that your ESP has connection to the internet? Das a simple HTTP client work?

I want to say that it's https in the database link of the person in the video.

connecting ..
connected 192.160.1.5

giving me an local IP.

The ESP module is working.