LM35 data or temperature can be shown on phone from anywhere. An Example of how can we read data through the virtual pin.
The autonomous device will send the vehicle position to the android app with time and will show the location on google maps.
In this project, you can view the temperature and humidity in your room wherever you are.
Have you ever dreamed to turn on or off your Christmas tree lights with just your voice? if the answer is "yes", just read this article.
Control and Monitor your ESP32 Dev Board with the Blynk IoT Cloud. Guide for Blynk 1.0 (legacy) and Blynk 2.0 API uses
We are going to learn how to build a Fire alarm using NodeMCU and Blynk App.