This project demonstrates how to interface a relay module with an Arduino to control high-voltage appliances safely. The setup involves using a relay as a switch, allowing the Arduino to control ...

Connecting the LoRa module with Arduino and ESP8266. Control high voltage appliances with LoRa. So if you follow all the steps, you can easily make this Lora Arduino project to control any appliances ...

Connect one end of the micro USB cable to Arduino Nano board (Board2) and the other to PC/desktop to power on the receiver circuit and upload the Arduino code (relay_rx.ino). You can also connect a 5V ...