After installing Arduino IDE, an icon will be created on your desktop. Use this icon to open the Arduino IDE. Open the "Tools" menu, go to "Board," and select "Arduino/Genuino Uno." Then, click on ...

The slave responds with its address to the master. In summary, This project shows how the Arduino uno and the ESP8266 or nodeMCU communicate via I2C protocol. The nodeMCU as a master sends a "hello ...

Components Required to Send SMS Using NodeMCU: Here we are only going to demonstrate how to send SMS from NodeMCU without using GSM, so the hardware setup of our project is much simpler, and the ...