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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:  **[[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	+
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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