This meant that the external IP address ... Arduino. The system is also designed with a pretty slick setup interface. When it is booted, the user can enter a configuration menu via a Serial terminal.

The router will pass the packet to the internal IP address and the mapped internal port number. The library allows you to ... Clone this repository into that folder Restart the Arduino IDE so that you ...

Before uploading the next sketch go to Tools and change PORT to ESP IP address for uploading the firmware wirelessly to the NodeMCU. Now upload the below given sketch of blinking LED on NodeMCU ...