ThingSpeak properties
Connect to custom ThingSpeak server
Select this check box to connect to the custom ThingSpeak server. Otherwise, the ThingSpeak block connects to the default address of 184.106.153.149 through port 80.
Server IP address
Specify the IP address of the custom ThingSpeak server.
Port
Specify the port number through which the ThingSpeak block connects to the ThingSpeak server.