Dispositivos publicam mensagens em tópicos específicos. Outros dispositivos (assinantes) escutam esses tópicos e recebem as mensagens automaticamente. Isso permite comunicação eficiente e em tempo ...

This node is responsible for receiving messages from an MQTT broker. It subscribes to a specific topic and receives the published messages. In this setup, the node is labeled "Ottone" and is connected ...

Abstract: 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 ...

Makers, developers, and hobbyists who enjoy creating projects using the Arduino platform may be excited to learn that Adafruit has recently announced that their MQTT Arduino Library now supports the ...

Abstract: Recently, we were moving to transform our day-to-day lives into smart environments. This can exploit many technologies, especially IoT system technology, which covers diverse applications in ...