<
From version < 140.1 >
edited by Kilight Cao
on 2023/05/27 11:57
To version < 141.1 >
edited by Kilight Cao
on 2023/05/27 13:55
>
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799 799  [[image:image-20221012173639-1.png]]
800 800  
801 801  
802 -= 9.  Trouble Shooting =
802 += 9.  Example: Use Local Server ChirpStack and Node-Red in LPS8v2 =
803 803  
804 -== 9.1  MIC Mismatch or MIC Failed ==
804 +LPS8v2 includes a local TTN Server and Node-Red. This example shows how to configure LHT65N to use with the local Node-Red server. This example assumes users already have:
805 805  
806 +* LHT65N register on LPS8v2 Built-In ChirpStack server already
807 +* The user is able to see the data on the built-in ChirpStack server device page.
806 806  
809 +Below are the steps to plot the sensor data on LPS8v2 Node-Red.
810 +
811 +=== 9.1 Link Node-Red to Local ChirpStack ===
812 +
813 +Users can download the Node-Red decoder from this link and import it into the Node-Red platform:  **[[dragino-end-node-decoder/LHT65N.json (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/LHT65N.json]]**
814 +
815 +For more information on importing Input Flow, check out this link: **[[Import Input Flow for Dragino Sensors>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/#H3.A0ImportInputFlowforDraginoSensors]]**
816 +
817 +After importing the Input Flow is complete, the user needs to edit the MQTT in the node
818 +
819 +**~1. Change the Topic**
820 +
821 +Topic modifies it to the following format:
822 +
823 +**v3/Application ID/devices/End device ID/up**
824 +
825 +
826 +
827 += 10.  Trouble Shooting =
828 +
829 +== 10.1  MIC Mismatch or MIC Failed ==
830 +
831 +
807 807  (((
808 808  When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
809 809  )))
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