MQTT Manager

MQTT Manager is a general-purpose application to read and write topics on a MQTT broker through a friendly interface based on widgets. The application is organized in 4 tabs and each tab can contain any number of widgets. Widgets are chosen between the available ones:

• Display: Shows a numeric value or text (scrolling it)
• Gauge: Shows a numeric value over a graded scale
• LED: Shows the value of a topic as a LED on or off
• Graph: Shows the values of a topic as a graph
• Switch: Writes a value to the topic depending on the switch position
• Secure Switch: Similar to the Switch Widget. To operate the switch, the protection has to be remove with a click on the yellow bands though
• Switch & LED: Writes a value to a topic and shows its value as a LED on or off
• Knob: Writes a value to a topic proportional to the position of the knob
• Slider: Writes a value to a topic proportional to the position of the slider
• Push Button: Writes a value to a topic when the button is pushed and another value when it is released
• Text: Writes the value entered by the user to a topic

The application includes:

• a complete user manual

• documentation to learn the MQTT basics

• the documentation to install a private MQTT broker on: * Raspberry Pi * Linux * macOS

• documentation to use the Adafruit IO service instead of your MQTT broker. This allows to get started in a few minutes, without installing additional software

• documentation includes how to configure a local mosquitto broker with authentication, using SSL and using client certificates for users/devices identification and authentication

• Arduino ESP32, Arduino MEGA, Arduino Nano 33 IoT and MKR1000 sketches to create a MQTT node which sends data to the application and can be controlled by it

• Raspberry Pi Pico W micropython script to create a MQTT node which sends data to the application and can be controlled by it