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 ...

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 ...

I'm trying to use a modified version of the sample code for Arduino (I'm using an ESP01 with arduino's framework) however, in the main loop the function isconnected() always returns a false value ...