Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 115.31 >
edited by Xiaoling
on 2022/07/11 08:42
To version < 125.3 >
edited by Xiaoling
on 2022/09/09 15:56
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -17,6 +17,7 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 +
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 22  (((
... ... @@ -55,6 +55,7 @@
55 55  
56 56  == 1.2 ​ Features ==
57 57  
59 +
58 58  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
59 59  * Monitor Temperature & Humidity via SHT31
60 60  * AT Commands to change parameters
... ... @@ -67,8 +67,6 @@
67 67  * 8500mAh Battery for long term use
68 68  
69 69  
70 -
71 -
72 72  == 1.3  Specification ==
73 73  
74 74  
... ... @@ -77,7 +77,6 @@
77 77  * Supply Voltage: 2.1v ~~ 3.6v
78 78  * Operating Temperature: -40 ~~ 85°C
79 79  
80 -
81 81  (% style="color:#037691" %)**NB-IoT Spec:**
82 82  
83 83  * - B1 @H-FDD: 2100MHz
... ... @@ -87,7 +87,6 @@
87 87  * - B20 @H-FDD: 800MHz
88 88  * - B28 @H-FDD: 700MHz
89 89  
90 -
91 91  (% style="color:#037691" %)**Battery:**
92 92  
93 93  * Li/SOCI2 un-chargeable battery
... ... @@ -97,10 +97,9 @@
97 97  * Max boost current: 2A, 1 second
98 98  
99 99  
100 -
101 -
102 102  == ​1.4  Applications ==
103 103  
100 +
104 104  * Smart Buildings & Home Automation
105 105  * Logistics and Supply Chain Management
106 106  * Smart Metering
... ... @@ -112,15 +112,21 @@
112 112  ​
113 113  
114 114  
115 -== 1.5  Pin Definitions ==
116 116  
113 +
114 +== 1.5  Pin Definitions & Switch ==
115 +
116 +
117 117  N95S31B use the mother board from NBSN95 which as below.
118 118  
119 +
119 119  [[image:image-20220709144723-1.png]]
120 120  
121 121  
123 +
122 122  === 1.5.1 Jumper JP2 ===
123 123  
126 +
124 124  Power on Device when put this jumper.
125 125  
126 126  
... ... @@ -127,6 +127,7 @@
127 127  
128 128  === 1.5.2 BOOT MODE / SW1 ===
129 129  
133 +
130 130  (((
131 131  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.
132 132  )))
... ... @@ -139,6 +139,7 @@
139 139  
140 140  === 1.5.3 Reset Button ===
141 141  
146 +
142 142  Press to reboot the device.
143 143  
144 144  
... ... @@ -145,6 +145,7 @@
145 145  
146 146  === 1.5.4 LED ===
147 147  
153 +
148 148  It will flash:
149 149  
150 150  1. When boot the device in flash mode
... ... @@ -151,10 +151,9 @@
151 151  1. Send an uplink packet
152 152  
153 153  
154 -
155 -
156 156  = 2.  Use N95S31B to communicate with IoT Server =
157 157  
162 +
158 158  == 2.1  How it works ==
159 159  
160 160  
... ... @@ -171,7 +171,7 @@
171 171  
172 172  )))
173 173  
174 -[[image:1657350248151-650.png]]
179 +[[image:1657520100595-569.png]]
175 175  
176 176  (((
177 177  
... ... @@ -187,6 +187,7 @@
187 187  [[image:image-20220709150546-2.png]]
188 188  
189 189  
195 +
190 190  === 2.2.1 Test Requirement ===
191 191  
192 192  
... ... @@ -239,6 +239,7 @@
239 239  
240 240  === 2.2.3  Insert SIM card ===
241 241  
248 +
242 242  (((
243 243  Insert the NB-IoT Card get from your provider.
244 244  )))
... ... @@ -254,14 +254,18 @@
254 254  
255 255  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
256 256  
264 +
257 257  (((
258 258  (((
259 259  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.
268 +
269 +
260 260  )))
261 261  )))
262 262  
263 263  [[image:1657351312545-300.png]]
264 264  
275 +
265 265  **Connection:**
266 266  
267 267   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
... ... @@ -285,8 +285,9 @@
285 285  
286 286  [[image:1657329814315-101.png]]
287 287  
299 +
288 288  (((
289 -(% 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/]]
301 +(% 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]]**
290 290  )))
291 291  
292 292  
... ... @@ -293,9 +293,10 @@
293 293  
294 294  === 2.2.5  Use CoAP protocol to uplink data ===
295 295  
296 -(% 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/]]
297 297  
309 +(% 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/]]**
298 298  
311 +
299 299  (((
300 300  **Use below commands:**
301 301  )))
... ... @@ -343,6 +343,7 @@
343 343  
344 344  === 2.2.7  Use MQTT protocol to uplink data ===
345 345  
359 +
346 346  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
347 347  
348 348  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
... ... @@ -358,6 +358,7 @@
358 358  
359 359  [[image:1657352645687-385.png]]
360 360  
375 +
361 361  (((
362 362  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.
363 363  )))
... ... @@ -371,6 +371,7 @@
371 371  
372 372  === 2.2.8  Use TCP protocol to uplink data ===
373 373  
389 +
374 374  This feature is supported since firmware version v110
375 375  
376 376  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
... ... @@ -385,6 +385,7 @@
385 385  
386 386  === 2.2.9  Change Update Interval ===
387 387  
404 +
388 388  User can use below command to change the (% style="color:green" %)**uplink interval**.
389 389  
390 390  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
... ... @@ -393,43 +393,76 @@
393 393  
394 394  )))
395 395  
413 +(((
414 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
415 +)))
396 396  
417 +(((
418 +(% 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).**
419 +)))
397 397  
421 +
422 +
398 398  == 2.3  Uplink Payload ==
399 399  
400 400  
401 -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.
426 +(((
427 +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.
428 +)))
402 402  
403 403  
431 +(((
404 404  For example:
433 +)))
405 405  
406 - (% 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.
435 +(((
436 + (% 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.
437 +)))
407 407  
408 408  
440 +(((
409 409  The uplink payloads are composed in  ASCII String. For example:
442 +)))
410 410  
444 +(((
411 411  0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
446 +)))
412 412  
448 +(((
413 413  0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
450 +)))
414 414  
415 415  
453 +(((
416 416  (% style="color:red" %)**NOTE:**
455 +)))
417 417  
418 418  (% style="color:red" %)
419 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].
420 -1. By default, the device will send an uplink message every 1 hour.
458 +1. (((
459 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].**
460 +)))
461 +1. (((
462 +**By default, the device will send an uplink message every 1 hour.**
421 421  
422 422  
465 +
466 +
467 +)))
468 +
423 423  === 2.3.1  Payload Analyze ===
424 424  
471 +
472 +==== 2.3.1.1  Before Firmware v1.2 ====
473 +
474 +
425 425  N95S31B uplink payload includes in total 21 bytes
426 426  
427 427  
428 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
478 +(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:760px" %)
429 429  |=(% style="width: 60px;" %)(((
430 430  **Size(bytes)**
431 -)))|=(% 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**
432 -|(% 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" %)(((
481 +)))|=(% style="width: 65px;" %)**6**|=(% style="width: 50px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 75px;" %)**1**|=(% style="width: 59px;" %)1|=(% style="width: 174px;" %)5|=(% style="width: 106px;" %)**2**|=(% style="width: 85px;" %)**2**
482 +|(% 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:174px" %)(((
433 433  (((
434 434  Reserve/ Same as NBSN95 CFGMOD=1
435 435  )))
... ... @@ -437,7 +437,7 @@
437 437  (((
438 438  No function here.
439 439  )))
440 -)))|(% style="width:77px" %)(((
490 +)))|(% style="width:106px" %)(((
441 441  (((
442 442  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
443 443  )))
... ... @@ -445,7 +445,7 @@
445 445  (((
446 446  By SHT31
447 447  )))
448 -)))|(% style="width:80px" %)(((
498 +)))|(% style="width:85px" %)(((
449 449  (((
450 450  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
451 451  )))
... ... @@ -456,6 +456,8 @@
456 456  )))
457 457  
458 458  (((
509 +
510 +
459 459  (((
460 460  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
461 461  )))
... ... @@ -467,27 +467,83 @@
467 467  
468 468  The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
469 469  
470 -* Device ID: 0x724031607457 = 724031607457
471 -* Version: 0x006e=110=1.1.0
522 +* Device ID:  0x724031607457 = 724031607457
472 472  
473 -* BAT: 0x0ccd = 3277 mV = 3.277V
474 -* Signal: 0x1b = 27
475 -* Model: 0x01 = 1
524 +* Version:  0x006e=110=1.1.0
525 +
526 +* BAT:  0x0ccd = 3277 mV = 3.277V
527 +
528 +* Signal:  0x1b = 27
529 +
530 +* Model:  0x01 = 1
531 +
476 476  * 0x00dc000ccc= reserve, ignore in N95S31B
477 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
478 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
479 479  
534 +* Temperature by SHT31:  0x00e1 = 225 = 22.5 °C
535 +
536 +* Humidity by SHT31:  0x0186 = 390 = 39.0 %rh
537 +
480 480  (((
481 481  
482 -)))
483 483  
484 -(((
541 +
485 485  
486 486  )))
487 487  
545 +==== 2.3.1.2 Since Firmware v1.2 ====
488 488  
547 +
548 +In this mode, uplink payload includes 91 bytes in total by default.
549 +
550 +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.
551 +
552 +
553 +(% border="2" style="background-color:#ffffcc; color:green; width:1234px" %)
554 +|(% style="width:95px" %)**Size(bytes)**|(% style="width:82px" %)**8**|(% style="width:43px" %)**2**|(% style="width:47px" %)**2**|(% style="width:124px" %)**1**|(% style="width:56px" %)**1**|(% style="width:109px" %)**2**|(% style="width:80px" %)**1**|(% style="width:51px" %)**2**|(% style="width:79px" %)**2**|(% style="width:84px" %)**2**|(% style="width:100px" %)**4**|(% style="width:76px" %)**2**|(% style="width:81px" %)**2**|(% style="width:121px" %)**4**
555 +|(% 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 .....
556 +
557 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
558 +
559 +
560 +[[image:image-20220908154949-1.png]]
561 +
562 +
563 +The payload is ASCII string, representative same HEX:
564 +
565 +0x(% style="color:red" %)f868411056758782(% style="color:blue" %)000c(% style="color:green" %)0d0f(% style="color:red" %)0c(% style="color:blue" %)01(% style="color:green" %)0000(% style="color:red" %)00**//0030//**(% style="color:blue" %)**//0114//**(% style="color:red" %)**//0231//**(% style="color:green" %)**//63199d3c//**0113023163199d12//**0113023163199c5e**//0112023763199baa//**0112023263199af6**//0111023b631999a7//**0112023b631998f3**//011202426319983f//**01110242631996eb**//(%%) where:
566 +
567 +* (% style="color:red" %)Device ID: f868411056758782 = f868411056758782
568 +
569 +* (% style="color:blue" %)Version: 0x000c=120=1.2
570 +
571 +* (% style="color:green" %)BAT: 0x0d0f = 3343 mV = 3.343V
572 +
573 +* (% style="color:red" %)Singal: 0x0c = 12
574 +
575 +* (% style="color:blue" %)Mod: 0x01 = 1
576 +
577 +* TemDS18B20: 0x0000= 0 = 0
578 +
579 +* (% style="color:green" %)Interrupt: 0x00= 0
580 +
581 +* (% style="color:green" %)adc: 0x0030= 48
582 +
583 +* SHTTEM: 0x0114= 276 = 27.6
584 +
585 +* SHTHUM:0x0231 =561=56.1%
586 +
587 +* (% style="color:red" %)Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
588 +
589 +* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
590 +
591 +* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
592 +
593 +
594 +
595 +
489 489  === 2.3.2  Device ID ===
490 490  
598 +
491 491  (((
492 492  By default, the Device ID equal to the last 6 bytes of IMEI.
493 493  )))
... ... @@ -506,21 +506,44 @@
506 506  
507 507  (((
508 508  The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
617 +
618 +
509 509  )))
510 510  
621 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:**
511 511  
512 512  
624 +By default, the Device ID equal to the last 15 bits of IMEI.
625 +
626 +User can use **AT+DEUI** to set Device ID
627 +
628 +**Example:**
629 +
630 +AT+DEUI=868411056754138
631 +
632 +
513 513  === 2.3.3  Version Info ===
514 514  
515 515  
636 +(((
516 516  These bytes include the hardware and software version.
638 +)))
517 517  
640 +(((
518 518  Higher byte: Specify hardware version: always 0x00 for N95S31B
642 +)))
519 519  
644 +(((
520 520  Lower byte: Specify the software version: 0x6E=110, means firmware version 110
646 +)))
521 521  
648 +(((
649 +
650 +)))
522 522  
652 +(((
523 523  For example: 0x00 6E: this device is N95S31B with firmware version 110.
654 +)))
524 524  
525 525  (((
526 526  
... ... @@ -529,6 +529,7 @@
529 529  
530 530  === 2.3.4  Battery Info ===
531 531  
663 +
532 532  (((
533 533  Ex1: 0x0B45 = 2885mV
534 534  )))
... ... @@ -541,6 +541,7 @@
541 541  
542 542  === 2.3.5  Signal Strength ===
543 543  
676 +
544 544  (((
545 545  NB-IoT Network signal Strength.
546 546  )))
... ... @@ -573,6 +573,7 @@
573 573  
574 574  === 2.3.6  Temperature & Humidity ===
575 575  
709 +
576 576  The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
577 577  
578 578  [[image:image-20220709161741-3.png]]
... ... @@ -591,8 +591,9 @@
591 591  
592 592  == 2.4  Downlink Payload ==
593 593  
594 -By default, NDDS75 prints the downlink payload to console port.
595 595  
729 +By default, N95S31B prints the downlink payload to console port.
730 +
596 596  [[image:image-20220709100028-1.png]]
597 597  
598 598  
... ... @@ -629,7 +629,7 @@
629 629  )))
630 630  
631 631  (((
632 -If payload = 0x04FF, it will reset the NDDS75
767 +If payload = 0x04FF, it will reset the N95S31B
633 633  )))
634 634  
635 635  
... ... @@ -640,12 +640,59 @@
640 640  )))
641 641  
642 642  
778 +== 2.5 Humidity and Temperature alarm function ==
643 643  
644 -== 2.5  ​Battery Analysis ==
780 +➢ AT Command:
645 645  
646 -=== 2.5.1  ​Battery Type ===
782 +AT+ SHHUM=min,max
647 647  
784 +² When min=0, and max≠0, Alarm higher than max
648 648  
786 +² When min≠0, and max=0, Alarm lower than min
787 +
788 +² When min≠0 and max≠0, Alarm higher than max or lower than min
789 +
790 +Example:
791 +
792 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
793 +
794 +
795 +AT+ SHTEMP=min,max
796 +
797 +² When min=0, and max≠0, Alarm higher than max
798 +
799 +² When min≠0, and max=0, Alarm lower than min
800 +
801 +² When min≠0 and max≠0, Alarm higher than max or lower than min
802 +
803 +Example:
804 +
805 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
806 +
807 +== 2.6 Set the number of data to be uploaded and the recording time ==
808 +
809 +➢ AT Command:
810 +
811 +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)
812 +
813 +AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
814 +
815 +== 2.7 Read or Clear cached data ==
816 +
817 +➢ AT Command:
818 +
819 +AT+CDP ~/~/ Read cached data
820 +
821 +[[image:image-20220908163102-2.png]]
822 +
823 +AT+CDP=0 ~/~/ Clear cached data
824 +
825 +== 2.8  ​Battery Analysis ==
826 +
827 +
828 +=== 2.8.1  ​Battery Type ===
829 +
830 +
649 649  (((
650 650  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.
651 651  )))
... ... @@ -668,10 +668,11 @@
668 668  
669 669  
670 670  
671 -=== 2.5.2  Power consumption Analyze ===
853 +=== 2.8.2  Power consumption Analyze ===
672 672  
855 +
673 673  (((
674 -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.
857 +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.
675 675  )))
676 676  
677 677  (((
... ... @@ -679,8 +679,9 @@
679 679  )))
680 680  
681 681  
682 -=== 2.5.3  ​Battery Note ===
865 +=== 2.8.3  ​Battery Note ===
683 683  
867 +
684 684  (((
685 685  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.
686 686  )))
... ... @@ -687,7 +687,7 @@
687 687  
688 688  
689 689  
690 -=== 2.5.4  Replace the battery ===
874 +=== 2.8.4  Replace the battery ===
691 691  
692 692  
693 693  (((
... ... @@ -703,6 +703,7 @@
703 703  
704 704  = 3. ​ Access NB-IoT Module =
705 705  
890 +
706 706  (((
707 707  Users can directly access the AT command set of the NB-IoT module.
708 708  )))
... ... @@ -709,6 +709,8 @@
709 709  
710 710  (((
711 711  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/]] 
897 +
898 +
712 712  )))
713 713  
714 714  [[image:1657333200519-600.png]]
... ... @@ -717,11 +717,13 @@
717 717  
718 718  = 4.  Using the AT Commands =
719 719  
907 +
720 720  == 4.1  Access AT Commands ==
721 721  
722 -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/]]
723 723  
911 +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]]
724 724  
913 +
725 725  AT+<CMD>?  : Help on <CMD>
726 726  
727 727  AT+<CMD>         : Run <CMD>
... ... @@ -761,7 +761,24 @@
761 761  
762 762  AT+SERVADDR  : Server Address
763 763  
953 +AT+TR      : Get or Set record time
764 764  
955 +AT+APN     : Get or set the APN
956 +
957 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
958 +
959 +AT+DNSCFG  : Get or Set DNS Server
960 +
961 +AT+GETSENSORVALUE   : Returns the current sensor measurement
962 +
963 +AT+NOUD      : Get or Set the number of data to be uploaded
964 +
965 +AT+CDP     : Read or Clear cached data
966 +
967 +AT+SHTEMP: Get or Set alarm of temp
968 +
969 +AT+SHHUM: Get or Set alarm of moisture
970 +
765 765  (% style="color:#037691" %)**COAP Management**      
766 766  
767 767  AT+URI            : Resource parameters
... ... @@ -795,6 +795,7 @@
795 795  
796 796  = ​5.  FAQ =
797 797  
1004 +
798 798  == 5.1 ​ How to Upgrade Firmware ==
799 799  
800 800  
... ... @@ -809,13 +809,16 @@
809 809  (((
810 810  
811 811  
812 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.
1019 +(((
1020 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
813 813  )))
1022 +)))
814 814  
815 815  
816 816  
817 817  = 6.  Trouble Shooting =
818 818  
1028 +
819 819  == 6.1  ​Connection problem when uploading firmware ==
820 820  
821 821  
... ... @@ -831,6 +831,7 @@
831 831  
832 832  == 6.2  AT Command input doesn't work ==
833 833  
1044 +
834 834  (((
835 835  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.
836 836  
... ... @@ -880,5 +880,6 @@
880 880  
881 881  = 9.  Support =
882 882  
1094 +
883 883  * 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.
884 884  * 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]]
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