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802		-= 9.  Example: Use Local Server ChirpStack and Node-Red in LPS8v2 =
	802	+= 9.  Trouble Shooting =
803	803
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:
	804	+== 9.1  MIC Mismatch or MIC Failed ==
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.
808	808
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:  **[[attach:LHT65N-ChirpStack-node-red.json||target="_blank"]]**
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		-
820		-(% style="color:blue" %)**1. Change the Topic**
821		-
822		-Topic modifies it to the following format:
823		-
824		-**application/(% style="color:red" %)Application ID(%%)/device/(% style="color:red" %)End device ID(%%)/event/up**
825		-
826		-[[image:image-20230527143923-1.png||height="588" width="1132"]]
827		-
828		-
829		-
830		-(% style="color:blue" %)**2. Enter the MQTT configuration information**
831		-
832		-[[image:image-20230527144206-2.png||height="590" width="1136"]]
833		-
834		-
835		-(% style="color:blue" %)3. **Finally, click "Update" and Deploy**
836		-
837		-"Connected" indicates that the Link Node-red to Local Chirpstack is normal.
838		-
839		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/Notes%20for%20TTN/WebHome/image-20220914140918-5.png?width=1121&height=602&rev=1.1||alt="image-20220914140918-5.png"]]
840		-
841		-
842		-== 9.2 Check result. ==
843		-
844		-Users can check logs by adding debug.
845		-
846		-Browser access: **Node-Red-Server-Address:1880/ui**
847		-
848		-[[image:image-20230529150923-1.png||height="424" width="1118"]]
849		-
850		-= 10.  Trouble Shooting =
851		-
852		-== 10.1  MIC Mismatch or MIC Failed ==
853		-
854		-
855	855	(((
856	856	When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
857	857	)))

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