Q1:

  1. Controlling the digital output of UC3X with a MQTT command, I have noticed that the MQTT command payload does not have sequence. How do you ensure that the reply is for a specific command?
  2. There is no mention of the QoS for your MQTT communication. Which one is used?

Answer:

  1. Yes, the command statement doesn't have sequence, but it would reply immediately, so that you could judge which command it replies
  2. UC3x MQTT is working on Qos 0.


Q2: Is it possible to change the default topic of the MQTT publisher of UC3452?


Answer: No, UC3452 has its fixed MQTT topics and not support to change.


 


Q3: Is it possible integrate UC3452 to Thingsboard?


Answer: No, UC3452 has its fixed MQTT topics and not support to change it except you could change the Thingsboard MQTT topic format.


 


Q4: Is it possible to control the DO of UC3414 via receiving a SMS?


Answer: No, you can control it via MQTT, TCP and cloud platform like AWS or Milesight IoT Cloud.


 


Q5: When I connect UC3452 USB to PC and loggin via ToolBox, ToolBox always shows password wrong. How to troubleshoot it?


Answer:

  1. Use power adapter to supply power to UC3452. If it's only powered by USB, the device system can not work steadily.
  2. Please change another USB cable or another PC.