I'm trying to gather information on how I can use the NodeMCU V2 to turn an LED on or off through TCP/IP via my Android Device. I'm unsure on how I make the communication link between the app (Using Android Studio) and the ESP8266 (Using Arduino IDE). If anyone has any useful information or a tutorial of how I can do this without using 3rd party programs like MIT App Maker. I want to be able to do this on Android Studio or any other similar IDE. If someone can direct me to the answer of my question that would be greatly appreciated.
What software is your Android device using to communicate via TCP/IP?
Well, a Web browser is TCP/IP (say port 80). If you run a web server on your ESP8266, and it is in the same WLAN as your smart phone, then that is quite straight forward. The web server can switch the leds according to commands you issue in the browser.
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