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23	23	= 1.  Introduction =
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25	25	== 1.1 ​ What is LoRaWAN Soil Moisture & EC Sensor ==
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30	30	Dragino NSE01 is an (% style="color:blue" %)**NB-IOT soil moisture & EC sensor**(%%) for agricultural IoT. Used to measure the soil moisture of saline-alkali soil and loam. The soil sensor uses the FDR method to calculate soil moisture and compensates it with soil temperature and electrical conductivity. It has also been calibrated for mineral soil types at the factory.
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32	32	It can detect (% style="color:blue" %)**Soil Moisture, Soil Temperature and Soil Conductivity**(%%), and upload its value to the server wirelessly.
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34	34	The wireless technology used in NSE01 allows the device to send data at a low data rate and reach ultra-long distances, providing ultra-long-distance spread spectrum Communication.
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36	36	NSE01 are powered by (% style="color:blue" %)**8500mAh Li-SOCI2**(%%) batteries, which can be used for up to 5 years.
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60	60	* Micro SIM card slot for NB-IoT SIM
61	61	* 8500mAh Battery for long term use
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63		-
64	64	== 1.3  Specification ==
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128	128	=== 2.2.1 Test Requirement ===
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131	131	To use NSE01 in your city, make sure meet below requirements:
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133	133	* Your local operator has already distributed a NB-IoT Network there.
134	134	* The local NB-IoT network used the band that NSE01 supports.
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146	146	=== 2.2.2 Insert SIM card ===
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148	148	Insert the NB-IoT Card get from your provider.
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150	150	User need to take out the NB-IoT module and insert the SIM card like below:
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153	153	[[image:1657249468462-536.png]]
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187	187	[[image:image-20220708110657-3.png]]
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189	189	(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[http:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NSE01/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
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289	289	In this mode, uplink payload includes in total 18 bytes
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291	291	(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
292		-|=(% style="width: 50px;" %)(((
	308	+|=(% style="width: 60px;" %)(((
293	293	**Size(bytes)**
294		-)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %)**2**|=(% style="width: 80px;" %)**2**|=(% style="width: 80px;" %)**2**|=(% style="width: 40px;" %)**1**
	310	+)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 60px;" %)**2**|=(% style="width: 80px;" %)**2**|=(% style="width: 90px;" %)**2**|=(% style="width: 50px;" %)**1**
295	295	|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:108px" %)[[Soil Moisture>>||anchor="H2.4.5A0SoilMoisture"]]|(% style="width:133px" %)[[Soil Temperature>>||anchor="H2.4.6A0SoilTemperature"]]|(% style="width:159px" %)[[Soil Conductivity(EC)>>||anchor="H2.4.7A0SoilConductivity28EC29"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.8A0DigitalInterrupt"]]
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297	297	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NSE01 uplink data.
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300	300	[[image:image-20220708111918-4.png]]
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315	315	* Interrupt: 0x00 = 0
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318	318	== 2.4  Payload Explanation and Sensor Interface ==
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321	321	=== 2.4.1  Device ID ===
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323	323	By default, the Device ID equal to the last 6 bytes of IMEI.
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325	325	User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
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327	327	**Example:**
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329	329	AT+DEUI=A84041F15612
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331	331	The Device ID is stored in a none-erase area, Upgrade the firmware or run AT+FDR won't erase Device ID.
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335	335	=== 2.4.2  Version Info ===
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337	337	Specify the software version: 0x64=100, means firmware version 1.00.
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339	339	For example: 0x00 64 : this device is NSE01 with firmware version 1.0.0.
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359	359	=== 2.4.4  Signal Strength ===
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361	361	NB-IoT Network signal Strength.
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363	363	**Ex1: 0x1d = 29**
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365	365	(% style="color:blue" %)**0**(%%)  -113dBm or less
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367	367	(% style="color:blue" %)**1**(%%)  -111dBm
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369	369	(% style="color:blue" %)**2...30**(%%) -109dBm... -53dBm
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371	371	(% style="color:blue" %)**31**  (%%) -51dBm or greater
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373	373	(% style="color:blue" %)**99**   (%%) Not known or not detectable
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377	377	=== 2.4.5  Soil Moisture ===
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380	380	Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.
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384	384	For example, if the data you get from the register is **__0x05 0xDC__**, the moisture content in the soil is
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