Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 115.19 >
edited by Xiaoling
on 2022/07/09 18:14
To version < 115.34 >
edited by Xiaoling
on 2022/07/11 09:30
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Summary

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22 22  (((
23 23  
24 24  
25 +(((
25 25  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*.
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26 26  
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27 27  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.
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28 28  
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29 29  N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
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30 30  
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31 31  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).
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32 32  
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33 33  
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34 34  ~* make sure you have NB-IoT coverage locally.
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35 35  
36 36  
37 37  )))
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54 54  * 8500mAh Battery for long term use
55 55  
56 56  
70 +
71 +
57 57  == 1.3  Specification ==
58 58  
59 59  
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62 62  * Supply Voltage: 2.1v ~~ 3.6v
63 63  * Operating Temperature: -40 ~~ 85°C
64 64  
80 +
65 65  (% style="color:#037691" %)**NB-IoT Spec:**
66 66  
67 67  * - B1 @H-FDD: 2100MHz
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71 71  * - B20 @H-FDD: 800MHz
72 72  * - B28 @H-FDD: 700MHz
73 73  
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74 74  (% style="color:#037691" %)**Battery:**
75 75  
76 -
77 77  * Li/SOCI2 un-chargeable battery
78 78  * Capacity: 8500mAh
79 79  * Self Discharge: <1% / Year @ 25°C
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81 81  * Max boost current: 2A, 1 second
82 82  
83 83  
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101 +
84 84  == ​1.4  Applications ==
85 85  
86 86  * Smart Buildings & Home Automation
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109 109  
110 110  === 1.5.2 BOOT MODE / SW1 ===
111 111  
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112 112  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.
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113 113  
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114 114  2) Flash: work mode, device starts to work and send out console output for further debug
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115 115  
116 116  
117 117  
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128 128  1. When boot the device in flash mode
129 129  1. Send an uplink packet
130 130  
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131 131  = 2.  Use N95S31B to communicate with IoT Server =
132 132  
133 133  == 2.1  How it works ==
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165 165  === 2.2.1 Test Requirement ===
166 166  
167 167  
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168 168  To use N95S31B in your city, make sure meet below requirements:
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169 169  
170 -* Your local operator has already distributed a NB-IoT Network there.
171 -* The local NB-IoT network used the band that N95S31B supports.
172 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
197 +* (((
198 +Your local operator has already distributed a NB-IoT Network there.
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200 +* (((
201 +The local NB-IoT network used the band that N95S31B supports.
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203 +* (((
204 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
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173 173  
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174 174  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
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175 175  
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176 176  N95S31B supports different communication protocol such as :
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177 177  
178 178  (((
179 -* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
180 -* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
181 -* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
182 -* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
216 +* (((
217 +CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
218 +)))
219 +* (((
220 +raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
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222 +* (((
223 +MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
224 +)))
225 +* (((
226 +TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
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183 183  
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184 184  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.
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185 185  
186 186  
187 187  )))
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351 351  == 2.3  Uplink Payload ==
352 352  
353 353  
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354 354  NBSN95 has different working mode for the connections of different type 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.
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355 355  
356 356  
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357 357  For example:
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358 358  
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359 359   (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
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360 360  
361 361  
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362 362  The uplink payloads are composed in  ASCII String. For example:
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363 363  
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364 364  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
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365 365  
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366 366  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
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367 367  
368 368  
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369 369  (% style="color:red" %)**NOTE:**
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370 370  
371 371  (% style="color:red" %)
372 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
373 -1. By default, the device will send an uplink message every 1 hour.
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434 +All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
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436 +1. (((
437 +By default, the device will send an uplink message every 1 hour.
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374 374  
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442 +
375 375  === 2.3.1  Payload Analyze ===
376 376  
377 377  N95S31B uplink payload includes in total 21 bytes
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380 380  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
381 381  |=(% style="width: 60px;" %)(((
382 382  **Size(bytes)**
383 -)))|=(% style="width: 45px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 60px;" %)**2**|=(% style="width: 60px;" %)**2**
451 +)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 55px;" %)1|=(% style="width: 115px;" %)5|=(% style="width: 60px;" %)**2**|=(% style="width: 60px;" %)**2**
384 384  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.3.2A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.3.3A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.3.4A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.3.5A0SignalStrength"]]|(% style="width:123px" %)MOD 0X01|(% style="width:99px" %)(((
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385 385  Reserve/ Same as NBSN95 CFGMOD=1
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386 386  
457 +(((
387 387  No function here.
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388 388  )))|(% style="width:77px" %)(((
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389 389  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
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390 390  
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391 391  By SHT31
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392 392  )))|(% style="width:80px" %)(((
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393 393  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
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394 394  
473 +(((
395 395  By SHT31
396 396  )))
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397 397  
398 398  (((
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749 749  (((
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752 752  (% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
753 753  )))
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