Cayenne mydevice with mit app inventor

Tutorials and Guides Internet of Things
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I have used MQTT and Cayenne, but I have not linked Cayenne with App Inventor, I indicate two links in case you can get any ideas:

ESP32. MQTT. Broker. Publish. Subscribe. ThingSpeak use the extension UrsAI2MQTT

http://kio4.com/arduino/117F_Wemos_IOT_Cayenne.htm it is in Spanish,

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