Hello @JosetxoSB
Greetings and welcome to the HiveMQ Community Forum! We’re delighted to see your interest in MQTT and HiveMQ.
In response to your inquiry, may we kindly direct you to this link: Connecting ESP-32 CAM with HiveMQ Cloud, where my colleague has generously shared a working example.
Should you require additional assistance, please don’t hesitate to reach out to us, we are happy to assist.
Regards,
Sheetal from the HiveMQ team