Version 129.15 by Xiaoling on 2022/10/25 17:45

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Xiaoling 74.2 1 (% style="text-align:center" %)
Xiaoling 99.2 2 [[image:1657348034241-728.png||height="470" width="470"]]
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Xiaoling 35.4 10 **Table of Contents:**
Xiaoling 1.1 11
Xiaoling 115.14 12 {{toc/}}
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Xiaoling 31.17 17
Xiaoling 44.2 18 = 1.  Introduction =
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Xiaoling 119.2 20
Xiaoling 99.2 21 == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
Xiaoling 1.1 22
Xiaoling 12.2 23 (((
Xiaoling 35.4 24
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Xiaoling 115.25 26 (((
Xiaoling 99.2 27 The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
Xiaoling 115.25 28 )))
Xiaoling 97.13 29
Xiaoling 115.25 30 (((
Xiaoling 99.2 31 The temperature & humidity sensor used in N95S31B is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing **(%%)for long term use.
Xiaoling 115.25 32 )))
Xiaoling 97.13 33
Xiaoling 115.25 34 (((
Xiaoling 99.2 35 N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
Xiaoling 115.25 36 )))
Xiaoling 97.13 37
Xiaoling 115.25 38 (((
Xiaoling 99.2 39 N95S31B is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report).
Xiaoling 115.25 40 )))
Xiaoling 97.13 41
Xiaoling 115.25 42 (((
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44 )))
Xiaoling 97.13 45
Xiaoling 115.25 46 (((
Xiaoling 99.2 47 ~* make sure you have NB-IoT coverage locally.
Xiaoling 115.25 48 )))
Xiaoling 4.2 49
Xiaoling 42.2 50
Xiaoling 12.2 51 )))
Xiaoling 4.2 52
Xiaoling 99.2 53 [[image:1657348284168-431.png]]
Xiaoling 4.2 54
55
56
Xiaoling 65.3 57 == 1.2 ​ Features ==
Xiaoling 13.3 58
Xiaoling 119.2 59
Xiaoling 44.2 60 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
Xiaoling 100.2 61 * Monitor Temperature & Humidity via SHT31
Xiaoling 4.2 62 * AT Commands to change parameters
63 * Uplink on periodically
64 * Downlink to change configure
65 * IP66 Waterproof Enclosure
Xiaoling 100.2 66 * Ultra-Low Power consumption
67 * AT Commands to change parameters
Xiaoling 44.2 68 * Micro SIM card slot for NB-IoT SIM
69 * 8500mAh Battery for long term use
Xiaoling 4.2 70
Xiaoling 44.2 71 == 1.3  Specification ==
72
73
74 (% style="color:#037691" %)**Common DC Characteristics:**
75
76 * Supply Voltage: 2.1v ~~ 3.6v
77 * Operating Temperature: -40 ~~ 85°C
78
79 (% style="color:#037691" %)**NB-IoT Spec:**
80
81 * - B1 @H-FDD: 2100MHz
82 * - B3 @H-FDD: 1800MHz
83 * - B8 @H-FDD: 900MHz
84 * - B5 @H-FDD: 850MHz
85 * - B20 @H-FDD: 800MHz
86 * - B28 @H-FDD: 700MHz
87
Xiaoling 75.3 88 (% style="color:#037691" %)**Battery:**
Xiaoling 4.2 89
Xiaoling 75.3 90 * Li/SOCI2 un-chargeable battery
91 * Capacity: 8500mAh
92 * Self Discharge: <1% / Year @ 25°C
93 * Max continuously current: 130mA
94 * Max boost current: 2A, 1 second
Xiaoling 14.2 95
Xiaoling 44.2 96 == ​1.4  Applications ==
Xiaoling 4.2 97
Xiaoling 119.2 98
Xiaoling 75.4 99 * Smart Buildings & Home Automation
100 * Logistics and Supply Chain Management
101 * Smart Metering
Xiaoling 4.2 102 * Smart Agriculture
Xiaoling 75.4 103 * Smart Cities
104 * Smart Factory
Xiaoling 4.2 105
Xiaoling 15.6 106 (% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
107
Xiaoling 4.2 108
Xiaoling 75.4 109
Xiaoling 119.2 110
Xiaoling 117.2 111 == 1.5  Pin Definitions & Switch ==
Xiaoling 15.6 112
Xiaoling 119.2 113
Xiaoling 100.2 114 N95S31B use the mother board from NBSN95 which as below.
Xiaoling 15.6 115
Xiaoling 119.2 116
Xiaoling 100.2 117 [[image:image-20220709144723-1.png]]
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Xiaoling 14.3 119
Xiaoling 119.2 120
Xiaoling 100.2 121 === 1.5.1 Jumper JP2 ===
Xiaoling 14.3 122
Xiaoling 119.2 123
Xiaoling 100.2 124 Power on Device when put this jumper.
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Xiaoling 100.2 126
127
128 === 1.5.2 BOOT MODE / SW1 ===
129
Xiaoling 119.2 130
Xiaoling 115.29 131 (((
Xiaoling 129.3 132 **1) ISP: ** upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
Xiaoling 115.29 133 )))
Xiaoling 100.2 134
Xiaoling 115.29 135 (((
Xiaoling 129.3 136 **2) Flash:**  work mode, device starts to work and send out console output for further debug
Xiaoling 115.29 137 )))
Xiaoling 100.2 138
139
140
141 === 1.5.3 Reset Button ===
142
Xiaoling 119.2 143
Xiaoling 100.2 144 Press to reboot the device.
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148 === 1.5.4 LED ===
149
Xiaoling 119.2 150
Xiaoling 100.2 151 It will flash:
152
Xiaoling 129.3 153 1.  When boot the device in flash mode
Xiaoling 100.2 154
Xiaoling 129.3 155 2.  Send an uplink packet
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Xiaoling 100.2 159 = 2.  Use N95S31B to communicate with IoT Server =
160
Xiaoling 119.2 161
Xiaoling 45.2 162 == 2.1  How it works ==
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Xiaoling 100.3 164
Xiaoling 15.3 165 (((
Xiaoling 100.3 166 The N95S31B is equipped with a NB-IoT module, the pre-loaded firmware in N95S31B 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 N95S31B.
Xiaoling 15.3 167 )))
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Xiaoling 15.3 170 (((
Xiaoling 100.3 171 The diagram below shows the working flow in default firmware of N95S31B:
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Xiaoling 4.2 173
Xiaoling 77.2 174 (((
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Xiaoling 4.2 177
Xiaoling 118.2 178 [[image:1657520100595-569.png]]
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Xiaoling 45.2 180 (((
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182 )))
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Xiaoling 45.2 184
Xiaoling 102.2 185 == 2.2 ​ Configure the N95S31B ==
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Xiaoling 48.2 187
Xiaoling 102.2 188 === 2.2.1  Power On N95S31B ===
189
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191 [[image:image-20220709150546-2.png]]
192
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Xiaoling 119.2 194
Xiaoling 45.4 195 === 2.2.1 Test Requirement ===
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Xiaoling 115.31 198 (((
Xiaoling 102.3 199 To use N95S31B in your city, make sure meet below requirements:
Xiaoling 115.31 200 )))
Xiaoling 102.3 201
Xiaoling 115.31 202 * (((
203 Your local operator has already distributed a NB-IoT Network there.
204 )))
205 * (((
206 The local NB-IoT network used the band that N95S31B supports.
207 )))
208 * (((
209 Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
210 )))
Xiaoling 4.2 211
Xiaoling 115.31 212 (((
Xiaoling 102.3 213 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
Xiaoling 115.31 214 )))
Xiaoling 102.3 215
Xiaoling 115.31 216 (((
Xiaoling 102.3 217 N95S31B supports different communication protocol such as :
Xiaoling 115.31 218 )))
Xiaoling 102.3 219
Xiaoling 48.2 220 (((
Xiaoling 115.31 221 * (((
222 CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
223 )))
224 * (((
225 raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
226 )))
227 * (((
228 MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
229 )))
230 * (((
231 TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
232 )))
Xiaoling 102.3 233
Xiaoling 115.31 234 (((
Xiaoling 102.3 235 We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server.
Xiaoling 115.31 236 )))
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239 )))
240
Xiaoling 103.2 241 [[image:1657350625843-586.png]]
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Xiaoling 104.2 245 === 2.2.3  Insert SIM card ===
Xiaoling 4.2 246
Xiaoling 119.2 247
Xiaoling 65.11 248 (((
Xiaoling 45.4 249 Insert the NB-IoT Card get from your provider.
Xiaoling 65.11 250 )))
Xiaoling 4.2 251
Xiaoling 65.11 252 (((
Xiaoling 45.4 253 User need to take out the NB-IoT module and insert the SIM card like below:
Xiaoling 65.11 254 )))
Xiaoling 4.2 255
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Xiaoling 104.2 257 [[image:1657351240556-536.png]]
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Xiaoling 48.2 260
Xiaoling 107.2 261 === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
Xiaoling 4.2 262
Xiaoling 119.2 263
Xiaoling 48.2 264 (((
265 (((
Xiaoling 105.2 266 User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
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Xiaoling 48.2 269 )))
270 )))
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Xiaoling 105.2 272 [[image:1657351312545-300.png]]
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Xiaoling 119.2 274
Xiaoling 129.6 275 (% style="color:blue" %)**Connection:**
Xiaoling 4.2 276
Xiaoling 129.4 277 (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
Xiaoling 4.2 278
Xiaoling 129.4 279 **~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
Xiaoling 4.2 280
Xiaoling 129.4 281 **~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
Xiaoling 4.2 282
283
Xiaoling 45.4 284 In the PC, use below serial tool settings:
285
Xiaoling 57.4 286 * Baud:  (% style="color:green" %)**9600**
Xiaoling 48.2 287 * Data bits:** (% style="color:green" %)8(%%)**
288 * Stop bits: (% style="color:green" %)**1**
Xiaoling 57.4 289 * Parity:  (% style="color:green" %)**None**
Xiaoling 48.2 290 * Flow Control: (% style="color:green" %)**None**
Xiaoling 45.4 291
Xiaoling 48.2 292 (((
Xiaoling 105.2 293 Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
Xiaoling 48.2 294 )))
Xiaoling 45.4 295
Xiaoling 81.2 296 [[image:1657329814315-101.png]]
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Xiaoling 119.2 298
Xiaoling 65.12 299 (((
Xiaoling 119.2 300 (% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]]**
Xiaoling 65.12 301 )))
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Xiaoling 107.2 305 === 2.2.5  Use CoAP protocol to uplink data ===
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Xiaoling 119.2 308 (% 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/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]**
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Xiaoling 119.2 310
Xiaoling 97.9 311 (((
Xiaoling 50.2 312 **Use below commands:**
Xiaoling 97.9 313 )))
Xiaoling 45.4 314
Xiaoling 97.9 315 * (((
316 (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
317 )))
318 * (((
Xiaoling 129.2 319 (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
Xiaoling 97.9 320 )))
321 * (((
Xiaoling 129.2 322 (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
Xiaoling 97.9 323 )))
Xiaoling 45.4 324
Xiaoling 97.9 325 (((
Xiaoling 107.2 326
327
Xiaoling 45.4 328 For parameter description, please refer to AT command set
Xiaoling 97.9 329 )))
Xiaoling 45.4 330
Xiaoling 107.2 331 [[image:1657352146020-183.png]]
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333
Xiaoling 97.10 334 (((
Xiaoling 86.2 335 After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
Xiaoling 97.10 336 )))
Xiaoling 45.4 337
Xiaoling 107.2 338 [[image:1657352185396-303.png]]
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Xiaoling 50.2 341
Xiaoling 107.2 342 === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
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Xiaoling 97.5 345 * (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
Xiaoling 48.2 346 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
Xiaoling 97.5 347 * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
Xiaoling 45.4 348
Xiaoling 111.2 349 [[image:1657352391268-297.png]]
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Xiaoling 111.2 352 [[image:1657352403317-397.png]]
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Xiaoling 111.2 356 === 2.2.7  Use MQTT protocol to uplink data ===
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Xiaoling 119.3 358
Xiaoling 113.2 359 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
Xiaoling 45.4 360
Xiaoling 129.3 361 * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
362 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
363 * (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
364 * (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
365 * (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
366 * (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
367 * (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
Xiaoling 45.4 368
Xiaoling 111.2 369 [[image:1657352634421-276.png]]
Xiaoling 45.4 370
Xiaoling 54.2 371
Xiaoling 111.2 372 [[image:1657352645687-385.png]]
Xiaoling 54.2 373
Xiaoling 119.3 374
Xiaoling 111.2 375 (((
376 To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period.
377 )))
Xiaoling 45.4 378
Xiaoling 111.2 379
Xiaoling 54.3 380 (((
Xiaoling 111.2 381 MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
Xiaoling 54.3 382 )))
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Xiaoling 54.3 385
Xiaoling 113.2 386 === 2.2.8  Use TCP protocol to uplink data ===
Xiaoling 45.4 387
Xiaoling 119.3 388
Xiaoling 113.2 389 This feature is supported since firmware version v110
Xiaoling 45.4 390
Xiaoling 56.2 391 * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
Xiaoling 48.2 392 * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
Xiaoling 45.4 393
Xiaoling 113.2 394 [[image:1657352898400-901.png]]
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Xiaoling 113.2 397 [[image:1657352914475-252.png]]
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Xiaoling 57.6 399
Xiaoling 89.2 400
Xiaoling 113.2 401 === 2.2.9  Change Update Interval ===
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Xiaoling 119.3 403
Xiaoling 48.2 404 User can use below command to change the (% style="color:green" %)**uplink interval**.
Xiaoling 45.4 405
Xiaoling 56.3 406 * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
Xiaoling 45.4 407
Xiaoling 56.3 408 (((
Xiaoling 113.2 409
Xiaoling 56.3 410 )))
Xiaoling 45.4 411
Xiaoling 125.2 412 (((
Edwin Chen 125.1 413 (% style="color:red" %)**NOTE: Since firmware version is v1.2:**
Xiaoling 125.2 414 )))
Xiaoling 45.4 415
Xiaoling 125.2 416 (((
417 (% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
418 )))
Xiaoling 45.4 419
David Huang 122.1 420
Xiaoling 125.2 421
Xiaoling 57.2 422 == 2.3  Uplink Payload ==
Xiaoling 4.2 423
Xiaoling 32.9 424
Xiaoling 115.32 425 (((
Edwin Chen 125.1 426 N95S31B has different working modes for the connections of different types of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes.
Xiaoling 115.32 427 )))
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Xiaoling 114.2 429
Xiaoling 115.32 430 (((
Xiaoling 114.2 431 For example:
Xiaoling 115.32 432 )))
Xiaoling 114.2 433
Xiaoling 115.32 434 (((
Xiaoling 118.7 435 (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
Xiaoling 115.32 436 )))
Xiaoling 114.2 437
438
Xiaoling 115.32 439 (((
Xiaoling 114.2 440 The uplink payloads are composed in  ASCII String. For example:
Xiaoling 115.32 441 )))
Xiaoling 114.2 442
Xiaoling 115.32 443 (((
Xiaoling 114.2 444 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
Xiaoling 115.32 445 )))
Xiaoling 114.2 446
Xiaoling 115.32 447 (((
Xiaoling 114.2 448 0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
Xiaoling 115.32 449 )))
Xiaoling 114.2 450
451
Xiaoling 115.32 452 (((
Xiaoling 114.2 453 (% style="color:red" %)**NOTE:**
Xiaoling 115.32 454 )))
Xiaoling 114.2 455
456 (% style="color:red" %)
Xiaoling 115.32 457 1. (((
Xiaoling 119.3 458 **All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
Xiaoling 115.32 459 )))
460 1. (((
Xiaoling 119.3 461 **By default, the device will send an uplink message every 1 hour.**
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463
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465
Xiaoling 115.32 466 )))
Xiaoling 114.2 467
468 === 2.3.1  Payload Analyze ===
469
Xiaoling 119.3 470
Xiaoling 125.2 471 ==== 2.3.1.1  Before Firmware v1.2 ====
Edwin Chen 125.1 472
Xiaoling 125.2 473
Xiaoling 114.2 474 N95S31B uplink payload includes in total 21 bytes
475
476
Xiaoling 129.10 477 (% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
Xiaoling 129.15 478 |=(% scope="row" style="width: 50px;" %)**Size(bytes)**|=(% style="width: 40px;" %)**6**|=(% style="width: 20px;" %)2|=(% style="width: 20px;" %)**2**|=(% style="width: 60px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 100px;" %)5|=(% style="width: 100px;" %)**2**|=(% style="width: 100px;" %)**2**
Xiaoling 129.9 479 |(% style="width:97px" %)**Value**|(% style="width:65px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:50px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:59px" %)MOD 0X01|(% style="width:162px" %)(((
Xiaoling 115.21 480 (((
Xiaoling 114.2 481 Reserve/ Same as NBSN95 CFGMOD=1
Xiaoling 115.21 482 )))
Xiaoling 57.2 483
Xiaoling 115.21 484 (((
Xiaoling 114.2 485 No function here.
Xiaoling 115.21 486 )))
Xiaoling 129.2 487 )))|(% style="width:102px" %)(((
Xiaoling 115.21 488 (((
Xiaoling 115.15 489 [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
Xiaoling 115.21 490 )))
Xiaoling 114.2 491
Xiaoling 115.21 492 (((
Xiaoling 114.2 493 By SHT31
Xiaoling 115.21 494 )))
Xiaoling 129.2 495 )))|(% style="width:81px" %)(((
Xiaoling 115.21 496 (((
Xiaoling 115.15 497 [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
Xiaoling 115.21 498 )))
Xiaoling 114.2 499
Xiaoling 115.21 500 (((
Xiaoling 114.2 501 By SHT31
502 )))
Xiaoling 115.21 503 )))
Xiaoling 114.2 504
Xiaoling 65.13 505 (((
Xiaoling 119.3 506
507
Xiaoling 114.2 508 (((
509 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
Xiaoling 65.13 510 )))
Xiaoling 114.2 511 )))
Xiaoling 57.2 512
513
Xiaoling 114.2 514 [[image:1657354294009-643.png]]
Xiaoling 57.2 515
516
Xiaoling 129.3 517 The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
Xiaoling 57.2 518
Xiaoling 129.2 519 **where:**
Xiaoling 57.2 520
Xiaoling 129.2 521 * (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
Xiaoling 125.2 522
Xiaoling 129.2 523 * (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
Xiaoling 125.2 524
Xiaoling 129.2 525 * (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
Xiaoling 125.2 526
Xiaoling 129.2 527 * (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
Xiaoling 125.2 528
Xiaoling 129.2 529 * (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
Xiaoling 115.2 530
Xiaoling 129.2 531 * (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
Xiaoling 125.2 532
Xiaoling 129.2 533 * (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
Xiaoling 125.2 534
Xiaoling 129.2 535 * (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
536
Xiaoling 115.2 537 (((
538
Xiaoling 125.2 539
540
541
Xiaoling 90.2 542 )))
Xiaoling 95.5 543
Edwin Chen 125.1 544 ==== 2.3.1.2 Since Firmware v1.2 ====
Xiaoling 57.2 545
Xiaoling 125.3 546
David Huang 122.1 547 In this mode, uplink payload includes 91 bytes in total by default.
Xiaoling 4.2 548
David Huang 122.1 549 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.
550
551
Xiaoling 129.6 552 (% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
Xiaoling 129.14 553 |=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:25px" %)**2**|(% style="width:25px" %)**2**|(% style="width:30px" %)**1**|(% style="width:25px" %)**1**|(% style="width:40px" %)**2**|(% style="width:30px" %)**1**|(% style="width:25px" %)**2**|(% style="width:30px" %)**2**|(% style="width:30px" %)**2**|(% style="width:30px" %)**4**|(% style="width:30px" %)**2**|(% style="width:30px" %)**2**|(% style="width:30px" %)**4**
Xiaoling 129.6 554 |=(% style="width: 95px;" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:43px" %)Ver|(% style="width:47px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:56px" %)MOD|(% style="width:109px" %)TemDS18B20|(% style="width:80px" %)Interrupt|(% style="width:51px" %)ADC|(% style="width:79px" %)SHTTEM|(% style="width:84px" %)SHTHUM|(% style="width:100px" %)Time stamp |(% style="width:76px" %)SHTTEM|(% style="width:81px" %)SHTHUM|(% style="width:121px" %)Time stamp .....
Xiaoling 125.3 555
David Huang 123.1 556 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
David Huang 122.1 557
Xiaoling 125.3 558
David Huang 122.1 559 [[image:image-20220908154949-1.png]]
560
Xiaoling 125.3 561
David Huang 122.1 562 The payload is ASCII string, representative same HEX:
563
Xiaoling 129.3 564 **0x (% style="color:red" %)__f868411056758782__ (% style="color:blue" %)__000c__ (% style="color:green" %)__0d0f__ (% style="color:#00b0f0" %)__0c__ (% style="color:#7030a0" %)__01__ (% style="color:#d60093" %)__0000__ (% style="color:#a14d07" %)__00__ __0030__ (% style="color:#0020b0" %)__0114__ (% style="color:#420042" %)__0231__ (% style="color:#663300" %)__63199d3c__ (%%)__0113023163199d12__ __0113023163199c5e__// //__0112023763199baa__ __0112023263199af6__// //__0111023b631999a7__ **
David Huang 122.1 565
Xiaoling 129.3 566 **__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
567
Xiaoling 129.2 568 **where:**
Xiaoling 125.3 569
Xiaoling 129.2 570 * (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
Xiaoling 125.3 571
Xiaoling 129.2 572 * (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
Xiaoling 125.3 573
Xiaoling 129.3 574 * (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
Xiaoling 125.3 575
Xiaoling 129.2 576 * (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
Xiaoling 125.3 577
Xiaoling 129.2 578 * (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
Xiaoling 125.3 579
Xiaoling 129.2 580 * (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
Xiaoling 125.3 581
Xiaoling 129.2 582 * (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
Xiaoling 125.3 583
Xiaoling 129.2 584 * (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
Xiaoling 125.3 585
Xiaoling 129.2 586 * (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
Xiaoling 125.3 587
Xiaoling 129.2 588 * (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
Xiaoling 125.3 589
Xiaoling 129.2 590 * (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
Xiaoling 125.3 591
Xiaoling 129.2 592 * (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
David Huang 122.1 593
Xiaoling 129.2 594 * (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
595
Xiaoling 115.2 596 === 2.3.2  Device ID ===
Xiaoling 57.7 597
Xiaoling 119.3 598
Xiaoling 65.13 599 (((
Xiaoling 57.3 600 By default, the Device ID equal to the last 6 bytes of IMEI.
Xiaoling 65.13 601 )))
Xiaoling 4.2 602
Xiaoling 65.13 603 (((
Xiaoling 57.4 604 User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
Xiaoling 125.4 605
606
Xiaoling 65.13 607 )))
Xiaoling 4.2 608
Xiaoling 65.13 609 (((
David Huang 126.1 610 (% style="color:blue" %)**Example:**
Xiaoling 65.13 611 )))
Xiaoling 4.2 612
Xiaoling 65.13 613 (((
Xiaoling 57.3 614 AT+DEUI=A84041F15612
Xiaoling 65.13 615 )))
Xiaoling 4.2 616
Xiaoling 65.13 617 (((
Xiaoling 125.5 618 The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
David Huang 122.1 619
620
Xiaoling 65.13 621 )))
Xiaoling 22.2 622
Xiaoling 125.4 623 (% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
Xiaoling 4.2 624
625
David Huang 122.1 626 By default, the Device ID equal to the last 15 bits of IMEI.
627
Xiaoling 125.5 628 User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
David Huang 122.1 629
630
Xiaoling 129.2 631 (% style="color:blue" %)**Example:**
Xiaoling 125.4 632
David Huang 122.1 633 AT+DEUI=868411056754138
634
635
Xiaoling 125.4 636
Xiaoling 115.2 637 === 2.3.3  Version Info ===
Xiaoling 57.5 638
Xiaoling 119.3 639
Xiaoling 116.2 640 (((
Xiaoling 115.2 641 These bytes include the hardware and software version.
Xiaoling 116.2 642 )))
Xiaoling 115.2 643
Xiaoling 116.2 644 (((
Xiaoling 115.2 645 Higher byte: Specify hardware version: always 0x00 for N95S31B
Xiaoling 116.2 646 )))
Xiaoling 115.2 647
Xiaoling 116.2 648 (((
Xiaoling 115.2 649 Lower byte: Specify the software version: 0x6E=110, means firmware version 110
Xiaoling 116.2 650 )))
Xiaoling 115.2 651
Xiaoling 116.2 652 (((
653
654 )))
Xiaoling 115.2 655
Xiaoling 116.2 656 (((
Xiaoling 115.2 657 For example: 0x00 6E: this device is N95S31B with firmware version 110.
Xiaoling 116.2 658 )))
Xiaoling 115.2 659
Xiaoling 65.13 660 (((
Xiaoling 115.2 661
Xiaoling 65.13 662 )))
Xiaoling 4.2 663
664
Xiaoling 115.2 665 === 2.3.4  Battery Info ===
Xiaoling 57.3 666
Xiaoling 119.3 667
Xiaoling 32.10 668 (((
Xiaoling 4.2 669 Ex1: 0x0B45 = 2885mV
Xiaoling 32.10 670 )))
Xiaoling 4.2 671
Xiaoling 32.10 672 (((
Xiaoling 4.2 673 Ex2: 0x0B49 = 2889mV
Xiaoling 32.10 674 )))
Xiaoling 4.2 675
676
677
Xiaoling 115.2 678 === 2.3.5  Signal Strength ===
Xiaoling 4.2 679
Xiaoling 119.3 680
Xiaoling 65.13 681 (((
Xiaoling 57.6 682 NB-IoT Network signal Strength.
Xiaoling 65.13 683 )))
Xiaoling 57.6 684
Xiaoling 65.13 685 (((
Xiaoling 57.6 686 **Ex1: 0x1d = 29**
Xiaoling 65.13 687 )))
Xiaoling 57.6 688
Xiaoling 65.13 689 (((
Xiaoling 57.6 690 (% style="color:blue" %)**0**(%%)  -113dBm or less
Xiaoling 65.13 691 )))
Xiaoling 57.6 692
Xiaoling 65.13 693 (((
Xiaoling 57.6 694 (% style="color:blue" %)**1**(%%)  -111dBm
Xiaoling 65.13 695 )))
Xiaoling 57.6 696
Xiaoling 65.13 697 (((
Xiaoling 57.6 698 (% style="color:blue" %)**2...30**(%%) -109dBm... -53dBm
Xiaoling 65.13 699 )))
Xiaoling 57.6 700
Xiaoling 65.13 701 (((
Xiaoling 57.6 702 (% style="color:blue" %)**31**  (%%) -51dBm or greater
Xiaoling 65.13 703 )))
Xiaoling 57.6 704
Xiaoling 65.13 705 (((
Xiaoling 57.6 706 (% style="color:blue" %)**99**   (%%) Not known or not detectable
Xiaoling 65.13 707 )))
Xiaoling 57.6 708
709
710
Xiaoling 115.2 711 === 2.3.6  Temperature & Humidity ===
Xiaoling 57.6 712
Xiaoling 119.3 713
Xiaoling 115.2 714 The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
Xiaoling 4.2 715
Xiaoling 115.2 716 [[image:image-20220709161741-3.png]]
Xiaoling 4.2 717
718
Xiaoling 115.2 719 Convert the read byte to decimal and divide it by ten.
Xiaoling 4.2 720
Xiaoling 23.2 721
Xiaoling 115.2 722 **Example:**
Xiaoling 23.2 723
Xiaoling 115.2 724 Temperature:  Read:00ec (H) = 236(D)  Value:  236 /10=23.6℃
Xiaoling 4.2 725
Xiaoling 115.2 726 Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
Xiaoling 4.2 727
728
729
Xiaoling 115.14 730 == 2.4  Downlink Payload ==
Xiaoling 4.2 731
Xiaoling 119.3 732
Xiaoling 118.5 733 By default, N95S31B prints the downlink payload to console port.
Xiaoling 4.2 734
Xiaoling 92.2 735 [[image:image-20220709100028-1.png]]
Xiaoling 4.2 736
737
Xiaoling 32.14 738 (((
Xiaoling 40.4 739 (% style="color:blue" %)**Examples:**
Xiaoling 32.14 740 )))
Xiaoling 4.2 741
Xiaoling 32.14 742 (((
743
744 )))
Xiaoling 4.2 745
Xiaoling 32.14 746 * (((
Xiaoling 40.4 747 (% style="color:blue" %)**Set TDC**
Xiaoling 32.14 748 )))
Xiaoling 4.2 749
Xiaoling 32.14 750 (((
Xiaoling 60.2 751 If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
Xiaoling 32.14 752 )))
Xiaoling 4.2 753
Xiaoling 32.14 754 (((
Xiaoling 4.2 755 Payload:    01 00 00 1E    TDC=30S
Xiaoling 32.14 756 )))
Xiaoling 4.2 757
Xiaoling 32.14 758 (((
Xiaoling 4.2 759 Payload:    01 00 00 3C    TDC=60S
Xiaoling 32.14 760 )))
Xiaoling 4.2 761
Xiaoling 32.14 762 (((
763
764 )))
Xiaoling 4.2 765
Xiaoling 32.14 766 * (((
Xiaoling 40.4 767 (% style="color:blue" %)**Reset**
Xiaoling 32.14 768 )))
Xiaoling 4.2 769
Xiaoling 32.14 770 (((
Xiaoling 118.5 771 If payload = 0x04FF, it will reset the N95S31B
Xiaoling 32.14 772 )))
Xiaoling 4.2 773
774
Xiaoling 60.2 775 * (% style="color:blue" %)**INTMOD**
Xiaoling 4.2 776
Xiaoling 65.17 777 (((
Xiaoling 60.2 778 Downlink Payload: 06000003, Set AT+INTMOD=3
Xiaoling 65.17 779 )))
Xiaoling 4.2 780
781
Xiaoling 26.2 782
Xiaoling 125.5 783 == 2.5  Humidity and Temperature alarm function ==
Xiaoling 4.2 784
Xiaoling 119.3 785
Xiaoling 125.5 786 **~ (% style="color:blue" %)➢ AT Command:(%%)**
787
788
789 (% style="color:#037691" %)**AT+ SHHUM=min,max**
790
791
David Huang 122.1 792 ² When min=0, and max≠0, Alarm higher than max
Xiaoling 4.2 793
David Huang 122.1 794 ² When min≠0, and max=0, Alarm lower than min
Xiaoling 4.2 795
David Huang 122.1 796 ² When min≠0 and max≠0, Alarm higher than max or lower than min
797
798
Xiaoling 125.5 799 (% style="color:blue" %)**Example:**
800
David Huang 122.1 801 AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
802
803
Xiaoling 125.5 804 (% style="color:#037691" %)**AT+ SHTEMP=min,max**
David Huang 122.1 805
806 ² When min=0, and max≠0, Alarm higher than max
807
808 ² When min≠0, and max=0, Alarm lower than min
809
810 ² When min≠0 and max≠0, Alarm higher than max or lower than min
811
812
Xiaoling 125.5 813 **~ (% style="color:blue" %)Example:(%%)**
814
David Huang 122.1 815 AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
816
Xiaoling 125.5 817
818
David Huang 122.1 819 == 2.6 Set the number of data to be uploaded and the recording time ==
820
821
Xiaoling 125.5 822 **~ (% style="color:blue" %)➢ AT Command:(%%)**
David Huang 122.1 823
David Huang 126.1 824 * (% style="color:#037691" %)**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)
Xiaoling 125.5 825 * (% style="color:#037691" %)**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 122.1 826
Edwin Chen 127.1 827 The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
Xiaoling 125.5 828
Edwin Chen 129.1 829 [[image:image-20221009001045-1.png||height="726" width="1009"]]
Edwin Chen 127.1 830
831
832
David Huang 122.1 833 == 2.7 Read or Clear cached data ==
834
835
Xiaoling 125.5 836 **~ (% style="color:blue" %)➢ AT Command:(%%)**
David Huang 122.1 837
Xiaoling 125.5 838 * (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
839 * (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
840
David Huang 122.1 841 [[image:image-20220908163102-2.png]]
842
843
Xiaoling 125.5 844
David Huang 122.1 845 == 2.8  ​Battery Analysis ==
846
847
848 === 2.8.1  ​Battery Type ===
849
850
Xiaoling 65.18 851 (((
Xiaoling 115.7 852 The N95S31B 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.
Xiaoling 65.18 853 )))
Xiaoling 4.2 854
Xiaoling 65.18 855 (((
Xiaoling 62.3 856 The battery is designed to last for several years depends on the actually use environment and update interval. 
Xiaoling 65.18 857 )))
Xiaoling 4.2 858
Xiaoling 65.18 859 (((
Xiaoling 60.2 860 The battery related documents as below:
Xiaoling 65.18 861 )))
Xiaoling 4.2 862
Xiaoling 60.2 863 * [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
Xiaoling 65.7 864 * [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
Xiaoling 60.2 865 * [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
Xiaoling 4.2 866
Xiaoling 29.2 867 (((
Xiaoling 95.2 868 [[image:image-20220709101450-2.png]]
Xiaoling 29.2 869 )))
Xiaoling 4.2 870
871
Xiaoling 35.18 872
David Huang 122.1 873 === 2.8.2  Power consumption Analyze ===
Xiaoling 4.2 874
Xiaoling 119.3 875
Xiaoling 62.3 876 (((
Xiaoling 119.3 877 The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
Xiaoling 62.3 878 )))
Xiaoling 4.2 879
Xiaoling 62.3 880 (((
Xiaoling 115.7 881
Xiaoling 62.3 882 )))
Xiaoling 4.2 883
884
David Huang 122.1 885 === 2.8.3  ​Battery Note ===
Xiaoling 4.2 886
Xiaoling 119.3 887
Xiaoling 31.6 888 (((
Xiaoling 115.7 889 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 uplink data, then the battery life may be decreased.
Xiaoling 31.3 890 )))
Xiaoling 4.2 891
892
893
David Huang 122.1 894 === 2.8.4  Replace the battery ===
Xiaoling 31.2 895
Xiaoling 115.8 896
Xiaoling 62.2 897 (((
Xiaoling 115.8 898 You can change the battery in the N95S31B.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
Xiaoling 62.2 899 )))
Xiaoling 4.2 900
901
Xiaoling 115.8 902 (((
903 The default battery pack of N95S31B 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).
904 )))
Xiaoling 4.2 905
Xiaoling 115.8 906
907
Xiaoling 63.2 908 = 3. ​ Access NB-IoT Module =
Xiaoling 4.2 909
Xiaoling 119.3 910
Xiaoling 63.2 911 (((
912 Users can directly access the AT command set of the NB-IoT module.
913 )))
914
915 (((
Xiaoling 64.2 916 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/]] 
Xiaoling 119.3 917
918
Xiaoling 63.2 919 )))
920
Xiaoling 95.2 921 [[image:1657333200519-600.png]]
Xiaoling 63.2 922
923
924
Xiaoling 64.2 925 = 4.  Using the AT Commands =
Xiaoling 63.2 926
Xiaoling 119.3 927
Xiaoling 64.2 928 == 4.1  Access AT Commands ==
Xiaoling 9.2 929
Xiaoling 11.4 930
Xiaoling 119.3 931 See NBSN95 AT Command in this link for detail:  [[https:~~/~~/www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0>>https://www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0]]
Xiaoling 4.2 932
Xiaoling 119.3 933
Xiaoling 64.2 934 AT+<CMD>?  : Help on <CMD>
Xiaoling 4.2 935
Xiaoling 64.2 936 AT+<CMD>         : Run <CMD>
Xiaoling 4.2 937
Xiaoling 64.2 938 AT+<CMD>=<value> : Set the value
Xiaoling 4.2 939
Xiaoling 64.2 940 AT+<CMD>=?  : Get the value
Xiaoling 4.2 941
942
Xiaoling 11.6 943 (% style="color:#037691" %)**General Commands**(%%)      
Xiaoling 4.2 944
Xiaoling 64.2 945 AT  : Attention       
Xiaoling 4.2 946
Xiaoling 64.2 947 AT?  : Short Help     
Xiaoling 4.2 948
Xiaoling 64.2 949 ATZ  : MCU Reset    
Xiaoling 4.2 950
Xiaoling 64.2 951 AT+TDC  : Application Data Transmission Interval
Xiaoling 4.2 952
Xiaoling 64.2 953 AT+CFG  : Print all configurations
Xiaoling 4.2 954
Xiaoling 64.2 955 AT+CFGMOD           : Working mode selection
Xiaoling 4.2 956
Xiaoling 64.2 957 AT+INTMOD            : Set the trigger interrupt mode
Xiaoling 4.2 958
Xiaoling 64.2 959 AT+5VT  : Set extend the time of 5V power  
Xiaoling 4.2 960
Xiaoling 64.2 961 AT+PRO  : Choose agreement
Xiaoling 4.2 962
Xiaoling 64.2 963 AT+WEIGRE  : Get weight or set weight to 0
Xiaoling 4.2 964
Xiaoling 64.2 965 AT+WEIGAP  : Get or Set the GapValue of weight
Xiaoling 4.2 966
Xiaoling 64.2 967 AT+RXDL  : Extend the sending and receiving time
Xiaoling 4.2 968
Xiaoling 64.2 969 AT+CNTFAC  : Get or set counting parameters
Xiaoling 4.2 970
Xiaoling 64.2 971 AT+SERVADDR  : Server Address
Xiaoling 4.2 972
David Huang 122.1 973 AT+TR      : Get or Set record time
Xiaoling 4.2 974
David Huang 122.1 975 AT+APN     : Get or set the APN
976
977 AT+FBAND   : Get or Set whether to automatically modify the frequency band
978
979 AT+DNSCFG  : Get or Set DNS Server
980
981 AT+GETSENSORVALUE   : Returns the current sensor measurement
982
983 AT+NOUD      : Get or Set the number of data to be uploaded
984
985 AT+CDP     : Read or Clear cached data
986
987 AT+SHTEMP: Get or Set alarm of temp
988
989 AT+SHHUM: Get or Set alarm of moisture
990
Xiaoling 64.2 991 (% style="color:#037691" %)**COAP Management**      
Xiaoling 4.2 992
Xiaoling 64.2 993 AT+URI            : Resource parameters
Xiaoling 4.2 994
995
Xiaoling 64.2 996 (% style="color:#037691" %)**UDP Management**
Xiaoling 4.2 997
Xiaoling 64.2 998 AT+CFM          : Upload confirmation mode (only valid for UDP)
Xiaoling 4.2 999
1000
Xiaoling 64.2 1001 (% style="color:#037691" %)**MQTT Management**
Xiaoling 4.2 1002
Xiaoling 64.2 1003 AT+CLIENT               : Get or Set MQTT client
Xiaoling 4.2 1004
Xiaoling 64.2 1005 AT+UNAME  : Get or Set MQTT Username
Xiaoling 4.2 1006
Xiaoling 64.2 1007 AT+PWD                  : Get or Set MQTT password
Xiaoling 4.2 1008
Xiaoling 64.2 1009 AT+PUBTOPIC  : Get or Set MQTT publish topic
Xiaoling 4.2 1010
Xiaoling 64.2 1011 AT+SUBTOPIC  : Get or Set MQTT subscription topic
Xiaoling 4.2 1012
1013
Xiaoling 64.2 1014 (% style="color:#037691" %)**Information**          
Xiaoling 4.2 1015
Xiaoling 64.2 1016 AT+FDR  : Factory Data Reset
Xiaoling 4.2 1017
Xiaoling 64.2 1018 AT+PWORD  : Serial Access Password
Xiaoling 4.2 1019
1020
1021
Xiaoling 64.4 1022 = ​5.  FAQ =
Xiaoling 4.2 1023
Xiaoling 119.3 1024
Xiaoling 64.4 1025 == 5.1 ​ How to Upgrade Firmware ==
Xiaoling 6.3 1026
Xiaoling 4.2 1027
Xiaoling 31.35 1028 (((
Xiaoling 64.4 1029 User can upgrade the firmware for 1) bug fix, 2) new feature release.
Xiaoling 31.35 1030 )))
Xiaoling 4.2 1031
Xiaoling 31.35 1032 (((
Xiaoling 64.4 1033 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>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
Xiaoling 31.35 1034 )))
Xiaoling 4.2 1035
Xiaoling 31.35 1036 (((
Xiaoling 115.10 1037
1038
Xiaoling 115.34 1039 (((
Xiaoling 119.3 1040 (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
Xiaoling 31.35 1041 )))
Xiaoling 115.34 1042 )))
Xiaoling 4.2 1043
1044
1045
Xiaoling 64.5 1046 = 6.  Trouble Shooting =
Xiaoling 4.2 1047
Xiaoling 119.3 1048
Xiaoling 64.5 1049 == 6.1  ​Connection problem when uploading firmware ==
Xiaoling 4.9 1050
Xiaoling 4.2 1051
Xiaoling 65.20 1052 (((
1053 **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]]
1054 )))
1055
Xiaoling 64.5 1056 (% class="wikigeneratedid" %)
Xiaoling 31.29 1057 (((
Xiaoling 65.20 1058
Xiaoling 31.29 1059 )))
Xiaoling 4.2 1060
1061
Xiaoling 64.5 1062 == 6.2  AT Command input doesn't work ==
Xiaoling 4.2 1063
Xiaoling 119.3 1064
Xiaoling 31.30 1065 (((
Xiaoling 64.5 1066 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 (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
Xiaoling 65.22 1067
Xiaoling 65.23 1068
Xiaoling 31.30 1069 )))
Xiaoling 4.2 1070
1071
Xiaoling 64.5 1072 = 7. ​ Order Info =
Xiaoling 4.2 1073
1074
Xiaoling 115.12 1075 Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
Xiaoling 4.7 1076
Xiaoling 4.2 1077
Xiaoling 31.10 1078 (% class="wikigeneratedid" %)
1079 (((
1080
1081 )))
1082
Xiaoling 65.2 1083 = 8.  Packing Info =
Xiaoling 4.2 1084
Xiaoling 4.3 1085 (((
Xiaoling 31.39 1086
1087
Xiaoling 31.40 1088 (% style="color:#037691" %)**Package Includes**:
Xiaoling 64.5 1089
Xiaoling 115.12 1090 * N95S31B NB-IoT Temperature and Humidity Sensor
Xiaoling 64.5 1091 * External antenna x 1
Xiaoling 4.3 1092 )))
Xiaoling 4.2 1093
Xiaoling 4.3 1094 (((
Xiaoling 31.40 1095
1096
1097 (% style="color:#037691" %)**Dimension and weight**:
Xiaoling 4.2 1098
Xiaoling 95.3 1099 * Device Size: 13.0 x 5 x 4.5 cm
1100 * Device Weight: 150g
Xiaoling 115.13 1101 * Package Size / pcs : 14.0 x 8x 5 cm
1102 * Weight / pcs : 180g
Xiaoling 4.3 1103 )))
Xiaoling 31.11 1104
Xiaoling 64.5 1105 (((
Xiaoling 31.11 1106
Xiaoling 64.5 1107
1108
1109
Xiaoling 4.3 1110 )))
Xiaoling 4.2 1111
Xiaoling 64.5 1112 = 9.  Support =
Xiaoling 4.2 1113
Xiaoling 119.3 1114
Xiaoling 4.2 1115 * 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.
1116 * 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]]