Smart Home Automation with MQTT Using ESP32 and Node-RED

This paper presents a novel approach to home automation utilizing the MQTT protocol. The system is implemented using an ESP32 node and a Node-RED server running on a Raspberry Pi, allowing users to control the system from the Raspberry Pi as well as client terminals. The proposed system enables users to control and monitor home appliances remotely from anywhere. By using the lightweight MQTT protocol, the system provides real-time communication between the node and the server and ensures responsive control and data monitoring. The implementation of the ESP32 node provides us flexibility and scalability, while Node-RED provides us with a user-friendly interface for system management. Experimental results validate the system’s effectiveness in maintaining reliable connectivity between node and server. This work highlights the potential of MQTT-based home automation systems to provide enhanced control and monitoring capabilities in modern smart homes.