rar file using Winrar V5.50, so to extract it, make sure you use the same version of Winrar that I use or the latest version or use the winrar extractor online. To add the Library and NodeMCU ESP8266 Board see here : Download source code here : /open?id=1CJp. In this project video I use Arduino IDE 1.8.9, Notepad++ V7.7.1, Visual Studio 2015 and LoLin NodeMCU V3 ESP8266/ESP12E.
NET + Arduino IDE + NodeMCU V3 | Communication VB NET Application with NodeMCU V3 Using UDP Via WiFi.