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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 ...