Version 33.3 by Xiaoling on 2022/09/13 09:23

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David Huang 28.1 1 (% style="text-align:center" %)
2 [[image:image-20220907171221-1.jpeg]]
David Huang 25.1 3
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David Huang 28.1 6 {{toc/}}
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David Huang 28.1 8
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Xiaoling 32.2 10 = 1.  Introduction =
David Huang 25.1 11
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Xiaoling 32.2 13 == 1.1 ​ What is NLMS01 Leaf Moisture Sensor ==
David Huang 26.1 14
David Huang 25.1 15
Xiaoling 32.2 16 The Dragino NLMS01 is a (% style="color:blue" %)**NB-IOT Leaf Moisture Sensor**(%%) for IoT of Agriculture. It is designed to measure the leaf moisture and temperature, so to send to the platform to analyze the leaf status such as : watering, moisturizing, dew, frozen. The probe is IP67 waterproof.
David Huang 25.1 17
Xiaoling 32.2 18 NLMS01 detects leaf's(% style="color:blue" %)** moisture and temperature use FDR method**(%%), it senses the dielectric constant cause by liquid over the leaf surface, and cover the value to leaf moisture. The probe is design in a leaf shape to best simulate the real leaf characterizes. The probe has as density as 15 leaf vein lines per centimeter which make it can senses small drop and more accuracy.
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David Huang 25.1 20 NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage.
Xiaoling 32.2 21 \\NLMS01 supports different uplink methods include (% style="color:blue" %)**TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
22 \\NLMS01 is powered by  (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method).
23 \\To use NLMS01, user needs to check if there is NB-IoT coverage in local area and with the bands NLMS01 supports. If the local operate support it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card**(%%) from local operator and install NLMS01 to get NB-IoT network connection.
David Huang 25.1 24
Xiaoling 32.2 25
David Huang 25.1 26 ​[[image:image-20220907171221-2.png]]
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Xiaoling 32.2 28
David Huang 25.1 29 ​ [[image:image-20220907171221-3.png]]
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Xiaoling 32.2 33 == ​1.2  Features ==
David Huang 25.1 34
Xiaoling 32.2 35
36 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
37 * Monitor Leaf moisture
38 * Monitor Leaf temperature
39 * Moisture and Temperature alarm function
40 * Monitor Battery Level
41 * Uplink on periodically
42 * Downlink to change configure
43 * IP66 Waterproof Enclosure
44 * IP67 rate for the Sensor Probe
45 * Ultra-Low Power consumption
46 * AT Commands to change parameters
47 * Micro SIM card slot for NB-IoT SIM
48 * 8500mAh Battery for long term use
49
50 (((
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David Huang 26.1 55 )))
David Huang 25.1 56
David Huang 26.1 57 == 1.3  Specification ==
David Huang 25.1 58
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Xiaoling 32.2 60 (% style="color:#037691" %)**Common DC Characteristics:**
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David Huang 25.1 62 * Supply Voltage: 2.1v ~~ 3.6v
63 * Operating Temperature: -40 ~~ 85°C
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Xiaoling 32.2 65 (% style="color:#037691" %)**NB-IoT Spec:**
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David Huang 25.1 67 * - B1 @H-FDD: 2100MHz
68 * - B3 @H-FDD: 1800MHz
69 * - B8 @H-FDD: 900MHz
70 * - B5 @H-FDD: 850MHz
71 * - B20 @H-FDD: 800MHz
72 * - B28 @H-FDD: 700MHz
73
Xiaoling 33.2 74 == 1.4  Probe Specification ==
Xiaoling 32.2 75
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Xiaoling 33.2 77 (% style="color:#037691" %)**Leaf Moisture: percentage of water drop over total leaf surface**
David Huang 25.1 78
79 * Range 0-100%
80 * Resolution: 0.1%
81 * Accuracy: ±3%(0-50%);±6%(>50%)
82 * IP67 Protection
83 * Length: 3.5 meters
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Xiaoling 33.2 85 (% style="color:#037691" %)**Leaf Temperature:**
David Huang 25.1 86
87 * Range -50℃~80℃
88 * Resolution: 0.1℃
89 * Accuracy: <±0.5℃(-10℃~70℃),<±1.0℃ (others)
90 * IP67 Protection
91 * Length: 3.5 meters
92
Xiaoling 33.2 93 == 1.5 ​ Applications ==
David Huang 25.1 94
Xiaoling 33.2 95
David Huang 25.1 96 * Smart Agriculture
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Xiaoling 33.2 98 == 1.6  Pin mapping and power on ==
David Huang 25.1 99
Xiaoling 33.2 100
David Huang 25.1 101 ​[[image:image-20220907171221-4.png]]
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103 **~ **
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Xiaoling 33.2 105
David Huang 26.1 106 = 2.  Use NLMS01 to communicate with IoT Server =
David Huang 25.1 107
Xiaoling 33.2 108
David Huang 26.1 109 == 2.1  How it works ==
David Huang 25.1 110
Xiaoling 33.2 111
David Huang 25.1 112 The NLMS01 is equipped with a NB-IoT module, the pre-loaded firmware in NLMS01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NLMS01.
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114 The diagram below shows the working flow in default firmware of NLMS01:
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Xiaoling 33.2 116
David Huang 25.1 117 [[image:image-20220907171221-5.png]]
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Xiaoling 33.2 119
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David Huang 27.1 121 == 2.2 ​ Configure the NLMS01 ==
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Xiaoling 33.2 123
David Huang 27.1 124 === 2.2.1 Test Requirement ===
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Xiaoling 33.2 126
David Huang 25.1 127 To use NLMS01 in your city, make sure meet below requirements:
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129 * Your local operator has already distributed a NB-IoT Network there.
130 * The local NB-IoT network used the band that NLMS01 supports.
131 * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
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Xiaoling 33.2 133 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NLMS01 will use(% style="color:#037691" %)** CoAP(120.24.4.116:5683) **(%%)or raw(% style="color:#037691" %)** UDP(120.24.4.116:5601)** or(%%) (% style="color:#037691" %)**MQTT(120.24.4.116:1883)**(%%)or (% style="color:#037691" %)**TCP(120.24.4.116:5600)**(%%)protocol to send data to the test server
David Huang 25.1 134
Xiaoling 33.2 135
David Huang 25.1 136 [[image:image-20220907171221-6.png]] ​
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Xiaoling 33.2 138
139
David Huang 27.1 140 === 2.2.2 Insert SIM card ===
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Xiaoling 33.2 142
David Huang 25.1 143 Insert the NB-IoT Card get from your provider.
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145 User need to take out the NB-IoT module and insert the SIM card like below:
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Xiaoling 33.2 147
David Huang 25.1 148 [[image:image-20220907171221-7.png]] ​
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Xiaoling 33.2 150
151
David Huang 27.1 152 === 2.2.3 Connect USB – TTL to NLMS01 to configure it ===
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Xiaoling 33.2 155 User need to configure NLMS01 via serial port to set the (% style="color:#037691" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NLMS01 support AT Commands, user can use a USB to TTL adapter to connect to NLMS01 and use AT Commands to configure it, as below.
David Huang 25.1 156
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Xiaoling 33.2 158 (% style="color:blue" %)**Connection:**
David Huang 25.1 159
Xiaoling 33.2 160 **~ (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND(%%)**
David Huang 25.1 161
Xiaoling 33.2 162 **~ (% style="background-color:yellow" %)USB TTL TXD  <~-~-~-~-> UART_RXD(%%)**
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164 **~ (% style="background-color:yellow" %)USB TTL RXD  <~-~-~-~-> UART_TXD(%%)**
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David Huang 25.1 167 In the PC, use below serial tool settings:
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Xiaoling 33.2 169 * Baud:  (% style="color:green" %)**9600**
170 * Data bits:**  (% style="color:green" %)8(%%)**
171 * Stop bits:  (% style="color:green" %)**1**
172 * Parity:  (% style="color:green" %)**None**
173 * Flow Control: (% style="color:green" %)**None**
David Huang 25.1 174
Xiaoling 33.2 175 Make sure the switch is in FLASH position, then power on device by connecting the jumper on NLMS01. NLMS01 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
David Huang 25.1 176
Xiaoling 33.2 177 ​[[image:image-20220913090720-1.png]]
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Xiaoling 33.2 180 (% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
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David Huang 27.1 184 === 2.2.4 Use CoAP protocol to uplink data ===
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Xiaoling 33.2 187 (% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
David Huang 25.1 188
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Xiaoling 33.2 190 (% style="color:blue" %)**Use below commands:**
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192 * (% style="color:#037691" %)**AT+PRO=1**          (%%) ~/~/  Set to use CoAP protocol to uplink
193 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%) ~/~/  to set CoAP server address and port
194 * (% style="color:#037691" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
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David Huang 25.1 198 For parameter description, please refer to AT command set
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200 [[image:image-20220907171221-9.png]]
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Xiaoling 33.2 203 After configure the server address and (% style="color:#037691" %)**reset the device**(%%) (via AT+ATZ ), NLMS01 will start to uplink sensor values to CoAP server.
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David Huang 25.1 205 [[image:image-20220907171221-10.png]] ​
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Xiaoling 33.2 207
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David Huang 27.1 209 === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
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Xiaoling 33.2 211
David Huang 25.1 212 This feature is supported since firmware version v1.0.1
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Xiaoling 33.2 214 * (% style="color:#037691" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
215 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601  ** (%%) ~/~/  to set UDP server address and port
216 * (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
David Huang 25.1 217
Xiaoling 33.2 218
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David Huang 25.1 220 ​ [[image:image-20220907171221-11.png]]
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Xiaoling 33.2 222
David Huang 25.1 223 [[image:image-20220907171221-12.png]]
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Xiaoling 33.2 227
David Huang 27.1 228 === 2.2.6 Use MQTT protocol to uplink data ===
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Xiaoling 33.2 230
David Huang 25.1 231 This feature is supported since firmware version v110
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Xiaoling 33.2 233 * (% style="color:#037691" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
234 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
235 * (% style="color:#037691" %)**AT+CLIENT=CLIENT       ** (%%) ~/~/  Set up the CLIENT of MQTT
236 * (% style="color:#037691" %)**AT+UNAME=UNAME                        **(%%)** **~/~/  Set the username of MQTT
237 * (% style="color:#037691" %)**AT+PWD=PWD                            **(%%)** **~/~/  Set the password of MQTT
238 * (% style="color:#037691" %)**AT+PUBTOPIC=PUB                    ** (%%) ~/~/  Set the sending topic of MQTT
239 * (% style="color:#037691" %)**AT+SUBTOPIC=SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
David Huang 25.1 240
Xiaoling 33.2 241
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David Huang 25.1 243 ​ [[image:image-20220907171221-13.png]]
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Xiaoling 33.2 245
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David Huang 25.1 247 [[image:image-20220907171221-14.png]]
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251 MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
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Xiaoling 33.2 253
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David Huang 27.1 255 === 2.2.7 Use TCP protocol to uplink data ===
David Huang 25.1 256
Xiaoling 33.2 257
David Huang 25.1 258 This feature is supported since firmware version v110
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Xiaoling 33.2 260 * (% style="color:#037691" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
261 * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  to set TCP server address and port
David Huang 25.1 262
Xiaoling 33.2 263
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David Huang 25.1 265 ​ [[image:image-20220907171221-15.png]]
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Xiaoling 33.2 267
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David Huang 25.1 269 [[image:image-20220907171221-16.png]]
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Xiaoling 33.2 273
David Huang 27.1 274 === 2.2.8 Change Update Interval ===
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Xiaoling 33.2 276
David Huang 25.1 277 User can use below command to change the **uplink interval**.
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Xiaoling 33.2 279 * (% style="color:#037691" %)**AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (2 hour)
David Huang 25.1 280
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Edwin Chen 29.1 282
Xiaoling 33.2 283 (% style="color:red" %)**NOTE: By default, the device will send an uplink message every 2 hour. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
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David Huang 26.1 287 == 2.3  Uplink Payload ==
David Huang 25.1 288
Xiaoling 33.2 289
David Huang 25.1 290 In this mode, uplink payload includes 87 bytes in total by default.
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292 Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
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Xiaoling 33.2 295 (% border="1" style="background-color:#ffffcc; color:green; width:1251px" %)
296 |(% style="width:96px" %)**Size(bytes)**|(% style="width:82px" %)**8**|(% style="width:42px" %)**2**|(% style="width:48px" %)**2**|(% style="width:124px" %)1|(% style="width:58px" %)1|(% style="width:82px" %)1|(% style="width:113px" %)2|(% style="width:134px" %)2|(% style="width:100px" %)4|(% style="width:137px" %)2|(% style="width:110px" %)2|(% style="width:122px" %)4
297 |(% style="width:96px" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:42px" %)Ver|(% style="width:48px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:58px" %)MOD|(% style="width:82px" %)Interrupt|(% style="width:113px" %)Leaf moisture|(% style="width:134px" %)Leaf Temperature|(% style="width:100px" %)Time stamp|(% style="width:137px" %)Leaf Temperature|(% style="width:110px" %)Leaf moisture|(% style="width:122px" %)Time stamp  .....
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David Huang 25.1 300 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NLMS01 uplink data.
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Xiaoling 33.2 302
David Huang 25.1 303 [[image:image-20220907171221-17.png]]
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Xiaoling 33.2 305
David Huang 25.1 306 The payload is ASCII string, representative same HEX:
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Edwin Chen 30.1 308 0x(% style="color:red" %)f868411056754138(% style="color:blue" %)0064(% style="color:green" %)0c78(% style="color:red" %)17(% style="color:blue" %)01(% style="color:green" %)00(% style="color:blue" %)**0225010b6315537b**010b0226631550fb**010e022663154d77**01110225631549f1**011502246315466b**01190223631542e5**011d022163153f62**011e022163153bde**011e022163153859**(%%)** **where:
David Huang 25.1 309
Edwin Chen 30.1 310 * (% style="color:red" %)Device ID: 0xf868411056754138 = f868411056754138
311 * (% style="color:blue" %)Version: 0x0064=100=1.0.0
312 * (% style="color:green" %)BAT: 0x0c78 = 3192 mV = 3.192V
313 * (% style="color:red" %)Singal: 0x17 = 23
314 * (% style="color:blue" %)Mod: 0x01 = 1
315 * (% style="color:green" %)Interrupt: 0x00= 0
David Huang 25.1 316 * Leaf moisture: 0x0225= 549 = 54.9%
317 * Leaf Temperature:0x010B =267=26.7 °C
Edwin Chen 31.1 318 * Time stamp : 0x6315537b =1662342011 ([[Unix Epoch Time>>https://www.epochconverter.com/]])
David Huang 25.1 319 * Leaf Temperature, Leaf moisture,Time stamp : 010b0226631550fb
Edwin Chen 30.1 320 * (% style="color:blue" %)8 sets of recorded data: Leaf Temperature, Leaf moisture,Time stamp : 010e022663154d77,.......
David Huang 25.1 321
Xiaoling 33.2 322
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David Huang 26.1 326 == 2.4  Payload Explanation and Sensor Interface ==
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Xiaoling 33.3 328
David Huang 27.1 329 === 2.4.1  Device ID ===
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Xiaoling 33.3 331
David Huang 25.1 332 By default, the Device ID equal to the last 15 bits of IMEI.
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334 User can use **AT+DEUI** to set Device ID
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Xiaoling 33.3 336
David Huang 25.1 337 **Example:**
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339 AT+DEUI=868411056754138
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341 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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Xiaoling 33.3 343
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David Huang 27.1 345 === 2.4.2  Version Info ===
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Xiaoling 33.3 347
David Huang 25.1 348 Specify the software version: 0x64=100, means firmware version 1.00.
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350 For example: 0x00 64 : this device is NLMS01 with firmware version 1.0.0.
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Xiaoling 33.3 352
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David Huang 27.1 354 === 2.4.3  Battery Info ===
David Huang 25.1 355
Xiaoling 33.3 356
David Huang 25.1 357 Check the battery voltage for NLMS01.
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359 Ex1: 0x0B45 = 2885mV
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361 Ex2: 0x0B49 = 2889mV
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Xiaoling 33.3 363
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David Huang 27.1 365 === 2.4.4  Signal Strength ===
David Huang 25.1 366
Xiaoling 33.3 367
David Huang 25.1 368 NB-IoT Network signal Strength.
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370 **Ex1: 0x1d = 29**
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372 **0**  -113dBm or less
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374 **1**  -111dBm
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376 **2...30** -109dBm... -53dBm
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378 **31**   -51dBm or greater
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380 **99**    Not known or not detectable
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Xiaoling 33.3 382
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David Huang 27.1 384 === 2.4.5  Leaf moisture ===
David Huang 25.1 385
Xiaoling 33.3 386
David Huang 25.1 387 Get the moisture of the **Leaf**. The value range of the register is 300-1000(Decimal), divide this value by 100 to get the percentage of moisture in the **Leaf**.
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389 For example, if the data you get from the register is **__0x05 0xDC__**, the moisture content in the **Leaf** is
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391 **0229(H) = 549(D) /100 = 54.9.**
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Xiaoling 33.3 393
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David Huang 27.1 395 === 2.4.6  Leaf Temperature ===
David Huang 25.1 396
Xiaoling 33.3 397
David Huang 25.1 398 Get the temperature in the **Leaf**. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the **Leaf**. For example, if the data you get from the register is **__0x09 0xEC__**, the temperature content in the **Leaf **is
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400 **Example**:
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402 If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/10 = 26.1 °C
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404 If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/10 = -12.9 °C
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Xiaoling 33.3 406
407
David Huang 27.1 408 === 2.4.7  Timestamp ===
David Huang 25.1 409
Xiaoling 33.3 410
David Huang 25.1 411 Time stamp : 0x6315537b =1662342011
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413 Convert Unix timestamp to time 2022-9-5 9:40:11.
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Xiaoling 33.3 415
David Huang 27.1 416 === 2.4.8  Digital Interrupt ===
David Huang 25.1 417
Xiaoling 33.3 418
David Huang 25.1 419 Digital Interrupt refers to pin **GPIO_EXTI**, and there are different trigger methods. When there is a trigger, the NLMS01 will send a packet to the server.
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421 The command is:
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423 **AT+INTMOD=3 ** ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
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425 The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up.
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427 Example:
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429 0x(00): Normal uplink packet.
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431 0x(01): Interrupt Uplink Packet.
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Xiaoling 33.3 433
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David Huang 27.1 435 === 2.4.9  ​+5V Output ===
David Huang 25.1 436
Xiaoling 33.3 437
David Huang 25.1 438 NLMS01 will enable +5V output before all sampling and disable the +5v after all sampling. 
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440 The 5V output time can be controlled by AT Command.
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442 **AT+5VT=1000**
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444 Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.** **
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Xiaoling 33.3 447
David Huang 26.1 448 == 2.5  Downlink Payload ==
David Huang 25.1 449
Xiaoling 33.3 450
David Huang 25.1 451 By default, NLMS01 prints the downlink payload to console port.
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453 [[image:image-20220907171221-18.png]] ​
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Xiaoling 33.3 455
David Huang 25.1 456 **Examples:**
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458 * **Set TDC**
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460 If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
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462 Payload:    01 00 00 1E    TDC=30S
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464 Payload:    01 00 00 3C    TDC=60S
465
466 * **Reset**
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468 If payload = 0x04FF, it will reset the NLMS01
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470 * **INTMOD**
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472 Downlink Payload: 06000003, Set AT+INTMOD=3
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Xiaoling 33.3 474
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David Huang 26.1 476 == 2.6  ​LED Indicator ==
David Huang 25.1 477
Xiaoling 33.3 478
David Huang 25.1 479 The NLMS01 has an internal LED which is to show the status of different state.
480
481 * When power on, NLMS01 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
482 * Then the LED will be on for 1 second means device is boot normally.
483 * After NLMS01 join NB-IoT network. The LED will be ON for 3 seconds.
484 * For each uplink probe, LED will be on for 500ms.
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Xiaoling 33.3 487
488
489 == 2.7  Installation ==
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David Huang 25.1 492 NLMS01 probe has two sides. The side without words are the sense side. Please be ware when install the sensor.
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Xiaoling 33.3 494
David Huang 25.1 495 [[image:image-20220907171221-19.png]]
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Xiaoling 33.3 499 == 2.8  Moisture and Temperature alarm function ==
David Huang 25.1 500
Xiaoling 33.3 501
502 **➢ AT Command:**
503
504 **AT+ HUMALARM =min,max**
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David Huang 25.1 506 ² When min=0, and max≠0, Alarm higher than max
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508 ² When min≠0, and max=0, Alarm lower than min
509
510 ² When min≠0 and max≠0, Alarm higher than max or lower than min
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512
Xiaoling 33.3 513 **Example:**
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David Huang 25.1 515 AT+ HUMALARM =50,60 ~/~/ Alarm when moisture lower than 50.
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517 AT+ TEMPALARM=min,max
518
519 ² When min=0, and max≠0, Alarm higher than max
520
521 ² When min≠0, and max=0, Alarm lower than min
522
523 ² When min≠0 and max≠0, Alarm higher than max or lower than min
524
525
Xiaoling 33.3 526 **Example:**
527
David Huang 25.1 528 AT+ TEMPALARM=20,30 ~/~/ Alarm when temperature lower than 20.
529
530
531
Xiaoling 33.3 532 == 2.9  Set the number of data to be uploaded and the recording time ==
David Huang 25.1 533
534
Xiaoling 33.3 535 **➢ AT Command:**
David Huang 25.1 536
Xiaoling 33.3 537 **AT+TR=900**  ~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
David Huang 25.1 538
Xiaoling 33.3 539 **AT+NOUD=8**  ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
David Huang 25.1 540
541
Xiaoling 33.3 542
543 == 2.10  Read or Clear cached data ==
544
545
546 **➢ AT Command:**
547
548 **AT+CDP**  ~/~/  Read cached data
549
550 **AT+CDP=0  ** ~/~/  Clear cached data
551
552
David Huang 25.1 553 [[image:image-20220907171221-20.png]]
554
555
556
David Huang 26.1 557 == 2.11  ​Firmware Change Log ==
David Huang 25.1 558
Xiaoling 33.3 559
David Huang 25.1 560 Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0>>url:https://www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0]]
561
562 Upgrade Instruction: [[Upgrade Firmware>>path:#H5.1200BHowtoUpgradeFirmware]]
563
Xiaoling 33.3 564
565
David Huang 26.1 566 == 2.12  ​Battery Analysis ==
David Huang 25.1 567
Xiaoling 33.3 568
David Huang 27.1 569 === 2.12.1  ​Battery Type ===
David Huang 25.1 570
Xiaoling 33.3 571
David Huang 25.1 572 The NLMS01 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
573
574 The battery is designed to last for several years depends on the actually use environment and update interval. 
575
576 The battery related documents as below:
577
578 * [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
579 * [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
580 * [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
581
582 [[image:image-20220907171221-21.png]] ​
583
Xiaoling 33.3 584
585
David Huang 27.1 586 === 2.12.2  Power consumption Analyze ===
David Huang 25.1 587
Xiaoling 33.3 588
David Huang 25.1 589 Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
590
591 Instruction to use as below:
592
593 **Step 1:  **Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
594
595 **Step 2: ** Open it and choose
596
597 * Product Model
598 * Uplink Interval
599 * Working Mode
600
601 And the Life expectation in difference case will be shown on the right.
602
603 [[image:image-20220907171221-22.jpeg]] ​
604
Xiaoling 33.3 605
David Huang 27.1 606 === 2.12.3  ​Battery Note ===
David Huang 25.1 607
Xiaoling 33.3 608
David Huang 25.1 609 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
610
Xiaoling 33.3 611
612
David Huang 27.1 613 === 2.12.4  Replace the battery ===
David Huang 25.1 614
Xiaoling 33.3 615
David Huang 25.1 616 The default battery pack of NLMS01 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
617
Xiaoling 33.3 618
619
David Huang 26.1 620 = 3. ​ Access NB-IoT Module =
David Huang 25.1 621
Xiaoling 33.3 622
David Huang 25.1 623 Users can directly access the AT command set of the NB-IoT module.
624
625 The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
626
Xiaoling 33.3 627
David Huang 25.1 628 [[image:image-20220907171221-23.png]] ​
629
Xiaoling 33.3 630
631
David Huang 26.1 632 = 4.  Using the AT Commands =
David Huang 25.1 633
Xiaoling 33.3 634
David Huang 27.1 635 == 4.1  Access AT Commands ==
David Huang 25.1 636
Xiaoling 33.3 637
David Huang 25.1 638 See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
639
640 AT+<CMD>?  : Help on <CMD>
641
642 AT+<CMD>         : Run <CMD>
643
644 AT+<CMD>=<value> : Set the value
645
646 AT+<CMD>=?  : Get the value
647
Xiaoling 33.3 648
David Huang 25.1 649 **General Commands**      
650
651 AT  : Attention       
652
653 AT?  : Short Help     
654
655 ATZ  : MCU Reset    
656
657 AT+TDC  : Application Data Transmission Interval
658
659 AT+CFG  : Print all configurations
660
661 AT+CFGMOD           : Working mode selection
662
663 AT+INTMOD            : Set the trigger interrupt mode
664
665 AT+5VT  : Set extend the time of 5V power  
666
667 AT+PRO  : Choose agreement
668
669 AT+RXDL  : Extend the sending and receiving time
670
671 AT+SERVADDR  : Server Address
672
David Huang 32.1 673 AT+APN     : Get or set the APN
674
675 AT+FBAND   : Get or Set whether to automatically modify the frequency band
676
677 AT+DNSCFG  : Get or Set DNS Server
678
679 AT+GETSENSORVALUE   : Returns the current sensor measurement
680
David Huang 25.1 681 AT+TR      : Get or Set record time"
682
683 AT+NOUD      : Get or Set the number of data to be uploaded
684
685 AT+CDP     : Read or Clear cached data
686
687 AT+TEMPALARM      : Get or Set alarm of temp
688
689 AT+HUMALARM     : Get or Set alarm of PH
690
691
692 **COAP Management**      
693
694 AT+URI            : Resource parameters
695
Xiaoling 33.3 696
David Huang 25.1 697 **UDP Management**
698
699 AT+CFM          : Upload confirmation mode (only valid for UDP)
700
Xiaoling 33.3 701
David Huang 25.1 702 **MQTT Management**
703
704 AT+CLIENT               : Get or Set MQTT client
705
706 AT+UNAME  : Get or Set MQTT Username
707
708 AT+PWD                  : Get or Set MQTT password
709
710 AT+PUBTOPIC  : Get or Set MQTT publish topic
711
712 AT+SUBTOPIC  : Get or Set MQTT subscription topic
713
Xiaoling 33.3 714
David Huang 25.1 715 **Information**          
716
717 AT+FDR  : Factory Data Reset
718
719 AT+PWORD  : Serial Access Password
720
Xiaoling 33.3 721
722
David Huang 26.1 723 = ​5.  FAQ =
David Huang 25.1 724
Xiaoling 33.3 725
David Huang 27.1 726 == 5.1 ​ How to Upgrade Firmware ==
David Huang 25.1 727
Xiaoling 33.3 728
David Huang 25.1 729 User can upgrade the firmware for 1) bug fix, 2) new feature release.
730
731 Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
732
Xiaoling 33.3 733 **Notice, NLMS01** **and LLMS01** **share the same mother board. They use the same connection and method to update.**
David Huang 25.1 734
Xiaoling 33.3 735
736
David Huang 26.1 737 = 6.  Trouble Shooting =
David Huang 25.1 738
Xiaoling 33.3 739
David Huang 27.1 740 == 6.1  ​Connection problem when uploading firmware ==
David Huang 25.1 741
Xiaoling 33.3 742
David Huang 25.1 743 **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
744
Xiaoling 33.3 745
746
David Huang 27.1 747 == 6.2  AT Command input doesn't work ==
David Huang 25.1 748
Xiaoling 33.3 749
David Huang 25.1 750 In the case if user can see the console output but can't type input to the device. Please check if you already include the **ENTER** while sending out the command. Some serial tool doesn't send **ENTER** while press the send key, user need to add ENTER in their string.
751
Xiaoling 33.3 752
753
David Huang 26.1 754 = 7. ​ Order Info =
David Huang 25.1 755
Xiaoling 33.3 756
David Huang 25.1 757 Part Number**:** NLMS01
758
Xiaoling 33.3 759
760
David Huang 26.1 761 = 8.  Packing Info =
David Huang 25.1 762
Xiaoling 33.3 763
David Huang 25.1 764 **Package Includes**:
765
766 * NLMS01 NB-IoT Leaf Moisture Sensor x 1
767
768 **Dimension and weight**:
769
770 * Device Size: cm
771 * Device Weight: g
772 * Package Size / pcs : cm
773 * Weight / pcs : g
774
Xiaoling 33.3 775
776
777
David Huang 26.1 778 = 9.  Support =
David Huang 25.1 779
Xiaoling 33.3 780
David Huang 25.1 781 * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
782 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
783
784