Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 115.17 >
edited by Xiaoling
on 2022/07/09 18:05
To version < 129.36 >
edited by Xiaoling
on 2023/04/03 17:01
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -22,16 +22,29 @@
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*.
27 +)))
26 26  
29 +(((
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.
31 +)))
28 28  
33 +(((
29 29  N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
35 +)))
30 30  
37 +(((
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).
39 +)))
32 32  
41 +(((
42 +
43 +)))
33 33  
45 +(((
34 34  ~* make sure you have NB-IoT coverage locally.
47 +)))
35 35  
36 36  
37 37  )))
... ... @@ -42,6 +42,7 @@
42 42  
43 43  == 1.2 ​ Features ==
44 44  
58 +
45 45  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
46 46  * Monitor Temperature & Humidity via SHT31
47 47  * AT Commands to change parameters
... ... @@ -65,16 +65,15 @@
65 65  
66 66  (% style="color:#037691" %)**NB-IoT Spec:**
67 67  
68 -* - B1 @H-FDD: 2100MHz
69 -* - B3 @H-FDD: 1800MHz
70 -* - B8 @H-FDD: 900MHz
71 -* - B5 @H-FDD: 850MHz
72 -* - B20 @H-FDD: 800MHz
73 -* - B28 @H-FDD: 700MHz
82 +* B1 @H-FDD: 2100MHz
83 +* B3 @H-FDD: 1800MHz
84 +* B8 @H-FDD: 900MHz
85 +* B5 @H-FDD: 850MHz
86 +* B20 @H-FDD: 800MHz
87 +* B28 @H-FDD: 700MHz
74 74  
75 75  (% style="color:#037691" %)**Battery:**
76 76  
77 -
78 78  * Li/SOCI2 un-chargeable battery
79 79  * Capacity: 8500mAh
80 80  * Self Discharge: <1% / Year @ 25°C
... ... @@ -85,6 +85,7 @@
85 85  
86 86  == ​1.4  Applications ==
87 87  
101 +
88 88  * Smart Buildings & Home Automation
89 89  * Logistics and Supply Chain Management
90 90  * Smart Metering
... ... @@ -96,40 +96,49 @@
96 96  ​
97 97  
98 98  
99 -== 1.5  Pin Definitions ==
113 +== 1.5  Pin Definitions & Switch ==
100 100  
115 +
101 101  N95S31B use the mother board from NBSN95 which as below.
102 102  
118 +
103 103  [[image:image-20220709144723-1.png]]
104 104  
105 105  
106 106  === 1.5.1 Jumper JP2 ===
107 107  
124 +
108 108  Power on Device when put this jumper.
109 109  
110 110  
111 -
112 112  === 1.5.2 BOOT MODE / SW1 ===
113 113  
114 -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.
115 115  
116 -2) Flash: work mode, device starts to work and send out console output for further debug
131 +(((
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.
133 +)))
117 117  
135 +(((
136 +**2) Flash:**  work mode, device starts to work and send out console output for further debug
137 +)))
118 118  
119 119  
120 120  === 1.5.3 Reset Button ===
121 121  
142 +
122 122  Press to reboot the device.
123 123  
124 124  
125 -
126 126  === 1.5.4 LED ===
127 127  
148 +
128 128  It will flash:
129 129  
130 -1. When boot the device in flash mode
131 -1. Send an uplink packet
151 +1.  When boot the device in flash mode
132 132  
153 +2.  Send an uplink packet
154 +
155 +
133 133  = 2.  Use N95S31B to communicate with IoT Server =
134 134  
135 135  == 2.1  How it works ==
... ... @@ -148,7 +148,7 @@
148 148  
149 149  )))
150 150  
151 -[[image:1657350248151-650.png]]
174 +[[image:1657520100595-569.png]]
152 152  
153 153  (((
154 154  
... ... @@ -157,7 +157,6 @@
157 157  
158 158  == 2.2 ​ Configure the N95S31B ==
159 159  
160 -
161 161  === 2.2.1  Power On N95S31B ===
162 162  
163 163  
... ... @@ -164,26 +164,48 @@
164 164  [[image:image-20220709150546-2.png]]
165 165  
166 166  
167 -=== 2.2.1 Test Requirement ===
189 +=== 2.2.2 Test Requirement ===
168 168  
169 169  
192 +(((
170 170  To use N95S31B in your city, make sure meet below requirements:
194 +)))
171 171  
172 -* Your local operator has already distributed a NB-IoT Network there.
173 -* The local NB-IoT network used the band that N95S31B supports.
174 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
196 +* (((
197 +Your local operator has already distributed a NB-IoT Network there.
198 +)))
199 +* (((
200 +The local NB-IoT network used the band that N95S31B supports.
201 +)))
202 +* (((
203 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
204 +)))
175 175  
206 +(((
176 176  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
208 +)))
177 177  
210 +(((
178 178  N95S31B supports different communication protocol such as :
212 +)))
179 179  
180 180  (((
181 -* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
182 -* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
183 -* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
184 -* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
215 +* (((
216 +CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
217 +)))
218 +* (((
219 +raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
220 +)))
221 +* (((
222 +MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
223 +)))
224 +* (((
225 +TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
226 +)))
185 185  
228 +(((
186 186  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.
230 +)))
187 187  
188 188  
189 189  )))
... ... @@ -191,9 +191,9 @@
191 191  [[image:1657350625843-586.png]]
192 192  
193 193  
194 -
195 195  === 2.2.3  Insert SIM card ===
196 196  
240 +
197 197  (((
198 198  Insert the NB-IoT Card get from your provider.
199 199  )))
... ... @@ -206,26 +206,29 @@
206 206  [[image:1657351240556-536.png]]
207 207  
208 208  
209 -
210 210  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
211 211  
255 +
212 212  (((
213 213  (((
214 214  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.
259 +
260 +
215 215  )))
216 216  )))
217 217  
218 218  [[image:1657351312545-300.png]]
219 219  
220 -**Connection:**
221 221  
222 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
267 +(% style="color:blue" %)**Connection:**
223 223  
224 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
269 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
225 225  
226 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
271 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
227 227  
273 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
228 228  
275 +
229 229  In the PC, use below serial tool settings:
230 230  
231 231  * Baud:  (% style="color:green" %)**9600**
... ... @@ -240,17 +240,18 @@
240 240  
241 241  [[image:1657329814315-101.png]]
242 242  
290 +
243 243  (((
244 -(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
292 +(% 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]]**
245 245  )))
246 246  
247 247  
248 -
249 249  === 2.2.5  Use CoAP protocol to uplink data ===
250 250  
251 -(% 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/]]
252 252  
299 +(% 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/]]**
253 253  
301 +
254 254  (((
255 255  **Use below commands:**
256 256  )))
... ... @@ -259,10 +259,10 @@
259 259  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
260 260  )))
261 261  * (((
262 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
310 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
263 263  )))
264 264  * (((
265 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
313 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
266 266  )))
267 267  
268 268  (((
... ... @@ -281,7 +281,6 @@
281 281  [[image:1657352185396-303.png]]
282 282  
283 283  
284 -
285 285  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
286 286  
287 287  
... ... @@ -295,18 +295,18 @@
295 295  [[image:1657352403317-397.png]]
296 296  
297 297  
298 -
299 299  === 2.2.7  Use MQTT protocol to uplink data ===
300 300  
347 +
301 301  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
302 302  
303 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
304 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
305 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
306 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
307 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
308 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
309 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
350 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
351 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
352 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
353 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
354 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
355 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
356 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
310 310  
311 311  [[image:1657352634421-276.png]]
312 312  
... ... @@ -313,6 +313,7 @@
313 313  
314 314  [[image:1657352645687-385.png]]
315 315  
363 +
316 316  (((
317 317  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.
318 318  )))
... ... @@ -323,9 +323,9 @@
323 323  )))
324 324  
325 325  
326 -
327 327  === 2.2.8  Use TCP protocol to uplink data ===
328 328  
376 +
329 329  This feature is supported since firmware version v110
330 330  
331 331  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -337,9 +337,9 @@
337 337  [[image:1657352914475-252.png]]
338 338  
339 339  
340 -
341 341  === 2.2.9  Change Update Interval ===
342 342  
390 +
343 343  User can use below command to change the (% style="color:green" %)**uplink interval**.
344 344  
345 345  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -348,57 +348,99 @@
348 348  
349 349  )))
350 350  
399 +(((
400 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
401 +)))
351 351  
403 +(((
404 +(% 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).**
405 +)))
352 352  
407 +
353 353  == 2.3  Uplink Payload ==
354 354  
355 355  
356 -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.
411 +(((
412 +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.
413 +)))
357 357  
358 358  
416 +(((
359 359  For example:
418 +)))
360 360  
361 - (% 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.
420 +(((
421 + (% 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.
422 +)))
362 362  
363 363  
425 +(((
364 364  The uplink payloads are composed in  ASCII String. For example:
427 +)))
365 365  
429 +(((
366 366  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
431 +)))
367 367  
433 +(((
368 368  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
435 +)))
369 369  
370 370  
438 +(((
371 371  (% style="color:red" %)**NOTE:**
440 +)))
372 372  
373 373  (% style="color:red" %)
374 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
375 -1. By default, the device will send an uplink message every 1 hour.
443 +1. (((
444 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
445 +)))
446 +1. (((
447 +**By default, the device will send an uplink message every 1 hour.**
376 376  
377 377  
450 +
451 +)))
452 +
378 378  === 2.3.1  Payload Analyze ===
379 379  
455 +==== 2.3.1.1  Before Firmware v1.2 ====
456 +
457 +
380 380  N95S31B uplink payload includes in total 21 bytes
381 381  
382 382  
383 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
384 -|=(% style="width: 60px;" %)(((
385 -**Size(bytes)**
386 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %)1|=(% style="width: 99px;" %)5|=(% style="width: 77px;" %)**2**|=(% style="width: 60px;" %)**2**
387 -|(% 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" %)(((
461 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
462 +|=(% style="width: 50px;" %)**Size(bytes)**|=(% style="width: 45px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 65px;" %)**1**|=(% style="width: 50px;" %)1|=(% style="width: 120px;" %)5|=(% style="width: 70px;" %)**2**|=(% style="width: 70px;" %)**2**
463 +|(% 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" %)(((
464 +(((
388 388  Reserve/ Same as NBSN95 CFGMOD=1
466 +)))
389 389  
468 +(((
390 390  No function here.
391 -)))|(% style="width:77px" %)(((
470 +)))
471 +)))|(% style="width:102px" %)(((
472 +(((
392 392  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
474 +)))
393 393  
476 +(((
394 394  By SHT31
395 -)))|(% style="width:80px" %)(((
478 +)))
479 +)))|(% style="width:81px" %)(((
480 +(((
396 396  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
482 +)))
397 397  
484 +(((
398 398  By SHT31
399 399  )))
487 +)))
400 400  
401 401  (((
490 +
491 +
402 402  (((
403 403  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
404 404  )))
... ... @@ -408,29 +408,89 @@
408 408  [[image:1657354294009-643.png]]
409 409  
410 410  
411 -The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
501 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
412 412  
413 -* Device ID: 0x724031607457 = 724031607457
414 -* Version: 0x006e=110=1.1.0
503 +**where:**
415 415  
416 -* BAT: 0x0ccd = 3277 mV = 3.277V
417 -* Signal: 0x1b = 27
418 -* Model: 0x01 = 1
419 -* 0x00dc000ccc= reserve, ignore in N95S31B
420 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
421 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
505 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
422 422  
507 +* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
508 +
509 +* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
510 +
511 +* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
512 +
513 +* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
514 +
515 +* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
516 +
517 +* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
518 +
519 +* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
520 +
423 423  (((
424 424  
425 -)))
426 426  
427 -(((
428 428  
429 429  )))
430 430  
527 +==== 2.3.1.2 Since Firmware v1.2 ====
431 431  
529 +
530 +In this mode, uplink payload includes 91 bytes in total by default.
531 +
532 +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.
533 +
534 +
535 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
536 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:30px" %)**1**|(% style="width:20px" %)**1**|(% style="width:55px" %)**2**|(% style="width:35px" %)**1**|(% style="width:20px" %)**2**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:30px" %)**4**|(% style="width:40px" %)**2**|(% style="width:40px" %)**2**|(% style="width:35px" %)**4**
537 +|=(% 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 .....
538 +
539 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
540 +
541 +
542 +[[image:image-20220908154949-1.png]]
543 +
544 +
545 +The payload is ASCII string, representative same HEX:
546 +
547 +**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__ **
548 +
549 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
550 +
551 +**where:**
552 +
553 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
554 +
555 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
556 +
557 +* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
558 +
559 +* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
560 +
561 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
562 +
563 +* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
564 +
565 +* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
566 +
567 +* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
568 +
569 +* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
570 +
571 +* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
572 +
573 +* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
574 +
575 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
576 +
577 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
578 +
579 +
580 +
432 432  === 2.3.2  Device ID ===
433 433  
583 +
434 434  (((
435 435  By default, the Device ID equal to the last 6 bytes of IMEI.
436 436  )))
... ... @@ -437,10 +437,12 @@
437 437  
438 438  (((
439 439  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
590 +
591 +
440 440  )))
441 441  
442 442  (((
443 -**Example:**
595 +(% style="color:blue" %)**Example:**
444 444  )))
445 445  
446 446  (((
... ... @@ -448,30 +448,54 @@
448 448  )))
449 449  
450 450  (((
451 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
603 +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.
604 +
605 +
452 452  )))
453 453  
608 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
454 454  
455 455  
611 +By default, the Device ID equal to the last 15 bits of IMEI.
612 +
613 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
614 +
615 +
616 +(% style="color:blue" %)**Example:**
617 +
618 +AT+DEUI=868411056754138
619 +
620 +
456 456  === 2.3.3  Version Info ===
457 457  
458 458  
624 +(((
459 459  These bytes include the hardware and software version.
626 +)))
460 460  
628 +(((
461 461  Higher byte: Specify hardware version: always 0x00 for N95S31B
630 +)))
462 462  
632 +(((
463 463  Lower byte: Specify the software version: 0x6E=110, means firmware version 110
634 +)))
464 464  
636 +(((
637 +
638 +)))
465 465  
640 +(((
466 466  For example: 0x00 6E: this device is N95S31B with firmware version 110.
642 +)))
467 467  
468 468  (((
469 469  
470 470  )))
471 471  
472 -
473 473  === 2.3.4  Battery Info ===
474 474  
650 +
475 475  (((
476 476  Ex1: 0x0B45 = 2885mV
477 477  )))
... ... @@ -481,9 +481,9 @@
481 481  )))
482 482  
483 483  
484 -
485 485  === 2.3.5  Signal Strength ===
486 486  
662 +
487 487  (((
488 488  NB-IoT Network signal Strength.
489 489  )))
... ... @@ -513,9 +513,9 @@
513 513  )))
514 514  
515 515  
516 -
517 517  === 2.3.6  Temperature & Humidity ===
518 518  
694 +
519 519  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
520 520  
521 521  [[image:image-20220709161741-3.png]]
... ... @@ -531,11 +531,11 @@
531 531  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
532 532  
533 533  
534 -
535 535  == 2.4  Downlink Payload ==
536 536  
537 -By default, NDDS75 prints the downlink payload to console port.
538 538  
713 +By default, N95S31B prints the downlink payload to console port.
714 +
539 539  [[image:image-20220709100028-1.png]]
540 540  
541 541  
... ... @@ -572,7 +572,7 @@
572 572  )))
573 573  
574 574  (((
575 -If payload = 0x04FF, it will reset the NDDS75
751 +If payload = 0x04FF, it will reset the N95S31B
576 576  )))
577 577  
578 578  
... ... @@ -583,69 +583,76 @@
583 583  )))
584 584  
585 585  
762 +== 2.5  Humidity and Temperature alarm function ==
586 586  
587 -== 2.5  ​Battery Analysis ==
588 588  
589 -=== 2.5.1  ​Battery Type ===
765 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
590 590  
591 591  
592 -(((
593 -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.
594 -)))
768 +(% style="color:#037691" %)**AT+ SHHUM=min,max**
595 595  
596 -(((
597 -The battery is designed to last for several years depends on the actually use environment and update interval. 
598 -)))
599 599  
600 -(((
601 -The battery related documents as below:
602 -)))
771 +² When min=0, and max≠0, Alarm higher than max
603 603  
604 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
605 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
606 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
773 +² When min≠0, and max=0, Alarm lower than min
607 607  
608 -(((
609 -[[image:image-20220709101450-2.png]]
610 -)))
775 +² When min≠0 and max≠0, Alarm higher than max or lower than min
611 611  
612 612  
778 + (% style="color:blue" %)**Example:**
613 613  
614 -=== 2.5.2  Power consumption Analyze ===
780 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
615 615  
616 -(((
617 -The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
618 -)))
619 619  
620 -(((
621 -
622 -)))
783 +(% style="color:#037691" %)**AT+ SHTEMP=min,max**
623 623  
785 +² When min=0, and max≠0, Alarm higher than max
624 624  
625 -=== 2.5.3  ​Battery Note ===
787 +² When min≠0, and max=0, Alarm lower than min
626 626  
627 -(((
628 -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.
629 -)))
789 +² When min≠0 and max≠0, Alarm higher than max or lower than min
630 630  
631 631  
792 +**~ (% style="color:blue" %)Example:(%%)**
632 632  
633 -=== 2.5.4  Replace the battery ===
794 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
634 634  
635 635  
636 -(((
637 -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.
638 -)))
797 +== 2.6 Set the number of data to be uploaded and the recording time ==
639 639  
640 640  
641 -(((
642 -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).
643 -)))
800 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
644 644  
802 +* (% 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)
803 +* (% 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.
645 645  
805 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
646 646  
807 +[[image:image-20221009001045-1.png||height="726" width="1009"]]
808 +
809 +
810 +== 2.7 Read or Clear cached data ==
811 +
812 +
813 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
814 +
815 +* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
816 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
817 +
818 +[[image:image-20220908163102-2.png]]
819 +
820 +
821 +== 2.8 Battery & Power Consumption ==
822 +
823 +
824 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
825 +
826 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
827 +
828 +
647 647  = 3. ​ Access NB-IoT Module =
648 648  
831 +
649 649  (((
650 650  Users can directly access the AT command set of the NB-IoT module.
651 651  )))
... ... @@ -652,19 +652,21 @@
652 652  
653 653  (((
654 654  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/]] 
838 +
839 +
655 655  )))
656 656  
657 657  [[image:1657333200519-600.png]]
658 658  
659 659  
660 -
661 661  = 4.  Using the AT Commands =
662 662  
663 663  == 4.1  Access AT Commands ==
664 664  
665 -See NBSN95 AT Command in this link for detail:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]]
666 666  
850 +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]]
667 667  
852 +
668 668  AT+<CMD>?  : Help on <CMD>
669 669  
670 670  AT+<CMD>         : Run <CMD>
... ... @@ -704,7 +704,24 @@
704 704  
705 705  AT+SERVADDR  : Server Address
706 706  
892 +AT+TR      : Get or Set record time
707 707  
894 +AT+APN     : Get or set the APN
895 +
896 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
897 +
898 +AT+DNSCFG  : Get or Set DNS Server
899 +
900 +AT+GETSENSORVALUE   : Returns the current sensor measurement
901 +
902 +AT+NOUD      : Get or Set the number of data to be uploaded
903 +
904 +AT+CDP     : Read or Clear cached data
905 +
906 +AT+SHTEMP: Get or Set alarm of temp
907 +
908 +AT+SHHUM: Get or Set alarm of moisture
909 +
708 708  (% style="color:#037691" %)**COAP Management**      
709 709  
710 710  AT+URI            : Resource parameters
... ... @@ -735,7 +735,6 @@
735 735  AT+PWORD  : Serial Access Password
736 736  
737 737  
738 -
739 739  = ​5.  FAQ =
740 740  
741 741  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -752,11 +752,12 @@
752 752  (((
753 753  
754 754  
755 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
956 +(((
957 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
756 756  )))
959 +)))
757 757  
758 758  
759 -
760 760  = 6.  Trouble Shooting =
761 761  
762 762  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -771,9 +771,9 @@
771 771  
772 772  )))
773 773  
774 -
775 775  == 6.2  AT Command input doesn't work ==
776 776  
978 +
777 777  (((
778 778  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.
779 779  
... ... @@ -780,7 +780,6 @@
780 780  
781 781  )))
782 782  
783 -
784 784  = 7. ​ Order Info =
785 785  
786 786  
... ... @@ -787,11 +787,6 @@
787 787  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
788 788  
789 789  
790 -(% class="wikigeneratedid" %)
791 -(((
792 -
793 -)))
794 -
795 795  = 8.  Packing Info =
796 796  
797 797  (((
... ... @@ -817,11 +817,14 @@
817 817  (((
818 818  
819 819  
820 -
821 821  
822 822  )))
823 823  
824 824  = 9.  Support =
825 825  
1021 +
826 826  * 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.
827 827  * 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]]
1024 +
1025 +
1026 +
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