Hello, I was wondering if on my HL7802 which does not support MQTT I can still use TCP to communicate with a mosquitto broker to send and receive data ?

Ok, So it is possible to use TCP to communicate with an MQTT broker. You need this documentation: mqtt-v5.0.pdf (1.8 MB) and maybe Wireshark to see your frames. You will have to make your MQTT request (frame) bit by bit so that the broker understands it then send it via TCP. Try installing an MQTT…

HL7802 - Using TCP for MQTT

IoT Modules HL78

jyijyi September 15, 2022, 9:17am 2

I think theoretically you can do so:

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HL7802 - Using TCP for MQTT

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