Update README.md

2022-02-17 17:11:39 +08:00
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 # ROS_Communication_MQTT_M2M

+![alt text](https://github.com/tony19990828/ROS_Communication_MQTT_M2M/blob/main/schematic.png?raw=true)
+
 internet -- use cloud mqtt broker to pub/sub data to ros node
   remeber change your host ip, userName, pssword (what I use is solace broker)