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64	64	== 2.3. Add the gateway & the sensor ==
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	66	+Here only show the image of the finish, more details about how to add the gateway & sensor refer to this wiki:
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	68	+
67	67	=== Add the gateway ===
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69	69	[[image:image-20220802142946-5.png]]
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78	78	== 2.4. Add the decoder ==
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	82	+If you use dragino sensors then you can find the recorder on this URL:
	83	+
80	80	[[image:image-20220802143129-7.png]]
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84		-== 2.5. Check the date ==
	88	+== 2.5. Visual Data ==
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	90	+In this section, you can be seen that the payload of the sensor has been interpreted as visual data.
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	92	+And the next part will discuss where to let the data flow。
	93	+
87	87	[[image:image-20220802143214-8.png]]
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89	89
90	90	= 3. Forward the data or store the data =
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	99	+You are done most of the work, now you just need to plan the flow of data to where.
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93	93	== 3.1. Forward data to an external server based on MQTT/HTTP. ==
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95	95
	104	+=== MQTT. ===
	105	+
	106	+You need to connect to this public address on your external server and subscribe to the topic **(v3/<application_name>/devices/<devices_name>/up)**.
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	108	+
	109	+[[image:image-20220802144754-9.png]]
	110	+
	111	+=== HTTP ===
	112	+
	113	+
96	96	== 3.2 Forward data to the built-in application server Node-Red. ==
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99	99	== 3.3 Just storing the data on the gateway or external storage. ==
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	122	+
102	102	= 4. Sent the downlink to the sensor =
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	1	+XWiki.Xiaoye

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