Figure 1 - Animation showing the Publish/Subscribe architectural style in action The common dialect used for communications between Gateway, Device and Dashboard is the MQTT. The ESP32 communicates ...

Programing the Espressif ESP32 module to communicate with Ubidots over MQTT using Visual Studio Code and MicroPython. First, we will set up the ESP32-DevkitC board with micropython using ESP-IDF. then ...

In theory, using MicroPython on the ESP32 is easy — just flash an image and connect using a serial port. But that leaves a lot of things you still have to do. You need to move files between … ...

Deploying a Wireless Sensor Network (WSN) utilizing MQTT-based data transmission, with Raspberry Pi acting as the central broker, offers an effective and adaptable solution for gathering and managing ...

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 ...