ESP8266 Community Forum

I recently picked up a Wemos D1 mini, and cannot for the life of me find out how to make it listen for AT commands. Can anyone point me in the right direction?

Also, I see that many of the sketches include various files:


..and that there are a few different ways to make a web server. What are the real differences between making a web server with ESP8266WebServer and WifiServer? Are there any other ways? Which is preferred?

Arduino sketch and AT firmware are two different things. You can not have both at the same time.
As soon you've uploaded Arduino sketch, the AT Firmware has been overwritten, it is now gone !