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73	73
74	74	= How to use? =
75	75
	76	+(% class="wikigeneratedid" %)
76	76	== Connect to GroPoint Profile ==
77	77
78	78	GroPoint Air must be used with [[GroPoint Profile>>https://www.gropoint.com/products/soil-sensors/gropoint-profile]]. There are different interface model from GroPoint, users need to choose the one:
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137	137
138	138	== Uplink Payload Analyze ==
139	139
140		-Uplink payloads have two types:
141	141
142		-* (((
143		-Report temperature and humidity status normally: Use FPORT=2
144		-)))
145		-* (((
146		-Other control commands: Use other FPORT fields.
147		-)))
148	148
149		-The application server should parse the correct value based on FPORT settings.
150	150
151		-
152		-== temperature and humidity Value, Uplink FPORT~=2 ==
153		-
154		-
155		-GroPoint Air will send this uplink after Device Status once join the LoRaWAN network successfully. And GroPoint Air will:
156		-
157		-periodically send this uplink every 20 minutes, this interval can be changed.
158		-
159		-The drawing below shows the probe dimensions of the 2-8 segment probes, Temperature sen sor locations provided in table below:
160		-
161		-[[image:image-20220621093414-1.png||height="932" width="816"]]
162		-
163		-GroPoint Air's sensors come in six models:GPLP-2，GPLP-3，GPLP-4，GPLP-5，GPLP-6，GPLP-8.
164		-
165		-The amount of temperature and humidity is different for each model, so the payload of each model is different.
166		-
167		-Take GPLP-3 as an example：
168		-
169		-Uplink Payload totals 21 bytes.
170		-
171		-[[image:image-20220621100751-2.png||height="124" width="774"]]
172		-
173		-[[image:image-20220611174943-1.png||height="139" width="1008"]]
174		-
175		-
176		-For US915 frequency, when DR=0 and the payload length exceeds 11, the DR of this packet is switched to 1.
177		-
178		-For AU915 frequency, when DR=0 and the payload length exceeds 11, the DR of this packet is switched to 3.
179		-
180	180	== Show data on Datacake ==
181	181
182	182	Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
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266	266
267	267	Feature: Change the sensor delay time.
268	268
269		-There are six models of GroPoint Air, and each model returns a different number of temperature and humidity. The more bytes of the returned value, the longer the delay. The AT+SDELAY command can adjust the time that the sensor returns data to the node, and can adjust different delays according to different types of sensors.
270		-
271	271	The default delay is 1000ms.
272	272
273	273	**AT Command: AT+SDELAY**
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283	283	* Example 1: Downlink Payload: A10003E8 ~/~/ Set the sensor delay time = 1000ms
284	284	* Example 2: Downlink Payload: A10007D0 ~/~/ Set the sensor delay time = 2000ms
285	285
286		-== 3.4 Query sensor model function ==
	248	+== 3.4 Get Firmware Version Info ==
287	287
288		-Feature: Using this function will re-update the model.
289		-
290		-**Downlink Command: 0xFA00**
291		-
292		-
293		-== 3.5 Get Firmware Version Info ==
294		-
295	295	Feature: use downlink to get firmware version.
296	296
297	297	**Downlink Command: 0x26**
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478	478
479	479	In case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while pressing the send key, user need to add ENTER in their string.
480	480
481		-== Why i see the payload is 7FFF? ==
482	482
483		-The device will judge the length of the data received by the serial port. If the length of the received data is 0, it means that there is a problem with the sensor communication or the sensor is not connected properly, it is invalid data, and the uploaded data is 7FFF.
484	484
485	485	= Order Info =
486	486