MQTT what?: Unterschied zwischen den Versionen
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==Example Tutorials == | ==Example Tutorials == | ||
[https://randomnerdtutorials.com/micropython-mqtt-esp32-esp8266/ MQTT Communication between multiple ESP´s with Raspberry Pi as broker] | [https://randomnerdtutorials.com/micropython-mqtt-esp32-esp8266/ MQTT Communication between multiple ESP´s with Raspberry Pi as broker] | ||
[https://www.digikey.com/en/maker/blogs/2018/how-to-use-basic-mqtt-on-arduino MQTT-Arduino] | [https://www.digikey.com/en/maker/blogs/2018/how-to-use-basic-mqtt-on-arduino MQTT-Arduino] | ||
Version vom 30. April 2020, 20:59 Uhr
Essentially the MQTT protocol is used for IoT-Devices for more in-depth info go to Wikipedia. Link
What do you need?
- an MQTT-server running
- its IP-Address
How does it work?
You publish a message to a topic on a broker identified through its IP-Address. Every device which subscribed to this topic will get the message. The structure is more like a message board. It uses the TCP protocol to send data. You can run your broker locally or cloud-based.
Example Tutorials
MQTT Communication between multiple ESP´s with Raspberry Pi as broker MQTT-Arduino