Device Catalog, HELP!

Hi everyone! I’m building my first IoT project in Python (using MQTT protocol)and i’m encountering a lot of diffiuclties. In particular I have no idea on how i could build a device catalog in which external sensors could automatically register and be visible to the RaspberryPi that works as gateway. Could you give me some hint?

submitted by /u/Hypercavallo
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Original article: Device Catalog, HELP!
Author: /u/Hypercavallo