This is a sample program for communication using the MQTT broker. MQTT communication using Qt6/C++ and Arduino UNO R4 WiFi. The application on the Qt6/C++ side is the Subscriber and the Arduino UNO R4 ...

This tutorial shows how to build a basic IoT device using an Arduino Uno (R3) board equipped with an Ethernet Shield (W5100). The device is configured both as MQTT publisher (for publishing local ...

This video demonstrates how to set up a remote temperature monitoring system using an Arduino Uno R4 WiFi, an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature ...

The book covers a range of projects, including setting up TCP/IP communication between Arduino Uno boards and integrating Modbus with popular IoT platforms like Node-RED, Blynk, and ThingSpeak.