mqtt_pub_client

Publishing to a MQTT topic

How to publish messages to a MQTT topic with the FeatherWing ESP32 AirLift Wi-Fi module.

Running the example

• Set up the hardware, connect it to your computer via USB.
• Copy the libraries to the lib directory on the CIRCUITPY drive.
• Set your Wi-Fi ssid and password in the mqtt_pub_client.py example.
• Copy the content of mqtt_pub_client.py to code.py on the CIRCUITPY drive.

Libraries

From the CircuitPython libraries bundle:

• Copy lib/adafruit_bus_device/* (see source and docs).
• Copy lib/adafruit_esp32spi/* (see source and docs).
• Copy lib/adafruit_logging.mpy (see source and docs).
• Copy lib/adafruit_minimqtt/* (see source and docs).

Hardware

• Feather nRF52840 Express microcontroller.
• FeatherWing ESP32 AirLift Wi-Fi module.

Credits

• Based on https://github.com/adafruit/Adafruit_CircuitPython_MiniMQTT/tree/master/examples licensed under MIT License