I want to set up a link between two devices via a HiveMQ Cloud Serverless cluster, using TLS encryption. Each device uses our custom hardware (programmed in C) and an ESP32-C3-WROOM-02 module programmed with ESP-AT firmware. Our system includes diagnostics so I can monitor the data exchange with the...

Thanks, but these were the examples I was using: - https://docs.espressif.com/projects/esp ... mples.html This gives examples using TCP, TLS and WSS. WHich is appropriate for a local MQTT broker? It gives sample code over TCP using AT+MQTTCONN=0,"192.168.3.102",8883,1 I don't know where the IP addre...

I’m new to MQTT so forgive my ignorance. I have designed a simple interface board around an ESP32-C3-WROOM module, which I have loaded with ESP-AT firmware. The ESP-AT documentation explains all the allowable commands, but in general terms. I cannot manage to access a broker. I have installed HiveMQ...