Hello @caveadventurer,
Greetings and a warm welcome to the HiveMQ Community! We sincerely appreciate your enthusiasm for MQTT and the HiveMQ broker. It’s wonderful to have new users like yourself on board.
I recommend giving the example provided a try, as it has been successfully confirmed by other members of our community. You can find the details here: Link to ESP32 example
Should you have any further questions or if there’s anything else you need assistance with, please feel free to let me know. We’re here to help.
Warm regards,
Dasha from HiveMQ Team