Temperature monitoring and device controlling over WiFi through Android App using nodeMCU and NTC thermistor

Same temperature monitoring system through HABEROCEAN mobile App can be seen on my latest post https://haberocean.com/2020/04/real-time-temperature-monitoring-and-device-control-from-mobile-app-developed-on-flutter-through-nodemcu/. App screenshots are shown in the following image.

Upload the following program to your NodeMCU. It is a direct communication between your mobile device and NodeMCU. So, after uploading the program, search for available WiFi devices on your Android device. In the available WiFi devices, you could see a device named Cooling-Fan-Controller.

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