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173	173	[[image:image-20220611174943-1.png||height="139" width="1008"]]
174	174
175	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=2，Dwelltime=1 and the payload length exceeds 11, the DR of this packet is switched to 3.
179		-
180		-For AS923 frequency, when DR=2，Dwelltime=1 and the payload length exceeds 11, the DR of this packet is switched to 3.
181		-
182	182	== Show data on Datacake ==
183	183
184	184	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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268	268
269	269	Feature: Change the sensor delay time.
270	270
271		-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.
272		-
273	273	The default delay is 1000ms.
274	274
275	275	**AT Command: AT+SDELAY**
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285	285	* Example 1: Downlink Payload: A10003E8 ~/~/ Set the sensor delay time = 1000ms
286	286	* Example 2: Downlink Payload: A10007D0 ~/~/ Set the sensor delay time = 2000ms
287	287
288		-== 3.4 Query sensor model function ==
	280	+== 3.4 Get Firmware Version Info ==
289	289
290		-Feature: Using this function will re-update the model.
291		-
292		-**Downlink Command: 0xFA00**
293		-
294		-
295		-== 3.5 Get Firmware Version Info ==
296		-
297	297	Feature: use downlink to get firmware version.
298	298
299	299	**Downlink Command: 0x26**
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480	480
481	481	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.
482	482
483		-== Why i see the payload is 7FFF? ==
484	484
485		-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.
486	486
487	487	= Order Info =
488	488