Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 121.1 >
edited by David Huang
on 2022/09/08 16:31
To version < 129.33 >
edited by Xiaoling
on 2022/12/30 11:21
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.David
1 +XWiki.Xiaoling
Content
... ... @@ -17,7 +17,6 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 -
21 21  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
22 22  
23 23  (((
... ... @@ -70,7 +70,6 @@
70 70  
71 71  
72 72  
73 -
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -79,8 +79,6 @@
79 79  * Supply Voltage: 2.1v ~~ 3.6v
80 80  * Operating Temperature: -40 ~~ 85°C
81 81  
82 -
83 -
84 84  (% style="color:#037691" %)**NB-IoT Spec:**
85 85  
86 86  * - B1 @H-FDD: 2100MHz
... ... @@ -90,8 +90,6 @@
90 90  * - B20 @H-FDD: 800MHz
91 91  * - B28 @H-FDD: 700MHz
92 92  
93 -
94 -
95 95  (% style="color:#037691" %)**Battery:**
96 96  
97 97  * Li/SOCI2 un-chargeable battery
... ... @@ -102,7 +102,6 @@
102 102  
103 103  
104 104  
105 -
106 106  == ​1.4  Applications ==
107 107  
108 108  
... ... @@ -117,7 +117,6 @@
117 117  ​
118 118  
119 119  
120 -
121 121  == 1.5  Pin Definitions & Switch ==
122 122  
123 123  
... ... @@ -127,7 +127,6 @@
127 127  [[image:image-20220709144723-1.png]]
128 128  
129 129  
130 -
131 131  === 1.5.1 Jumper JP2 ===
132 132  
133 133  
... ... @@ -134,20 +134,18 @@
134 134  Power on Device when put this jumper.
135 135  
136 136  
137 -
138 138  === 1.5.2 BOOT MODE / SW1 ===
139 139  
140 140  
141 141  (((
142 -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 +**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.
143 143  )))
144 144  
145 145  (((
146 -2) Flash: work mode, device starts to work and send out console output for further debug
136 +**2) Flash:**  work mode, device starts to work and send out console output for further debug
147 147  )))
148 148  
149 149  
150 -
151 151  === 1.5.3 Reset Button ===
152 152  
153 153  
... ... @@ -154,21 +154,18 @@
154 154  Press to reboot the device.
155 155  
156 156  
157 -
158 158  === 1.5.4 LED ===
159 159  
160 160  
161 161  It will flash:
162 162  
163 -1. When boot the device in flash mode
164 -1. Send an uplink packet
151 +1.  When boot the device in flash mode
165 165  
153 +2.  Send an uplink packet
166 166  
167 167  
168 -
169 169  = 2.  Use N95S31B to communicate with IoT Server =
170 170  
171 -
172 172  == 2.1  How it works ==
173 173  
174 174  
... ... @@ -194,7 +194,6 @@
194 194  
195 195  == 2.2 ​ Configure the N95S31B ==
196 196  
197 -
198 198  === 2.2.1  Power On N95S31B ===
199 199  
200 200  
... ... @@ -201,10 +201,9 @@
201 201  [[image:image-20220709150546-2.png]]
202 202  
203 203  
189 +=== 2.2.2 Test Requirement ===
204 204  
205 -=== 2.2.1 Test Requirement ===
206 206  
207 -
208 208  (((
209 209  To use N95S31B in your city, make sure meet below requirements:
210 210  )))
... ... @@ -251,7 +251,6 @@
251 251  [[image:1657350625843-586.png]]
252 252  
253 253  
254 -
255 255  === 2.2.3  Insert SIM card ===
256 256  
257 257  
... ... @@ -267,7 +267,6 @@
267 267  [[image:1657351240556-536.png]]
268 268  
269 269  
270 -
271 271  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
272 272  
273 273  
... ... @@ -282,13 +282,13 @@
282 282  [[image:1657351312545-300.png]]
283 283  
284 284  
285 -**Connection:**
267 +(% style="color:blue" %)**Connection:**
286 286  
287 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
269 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
288 288  
289 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
271 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
290 290  
291 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
273 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
292 292  
293 293  
294 294  In the PC, use below serial tool settings:
... ... @@ -311,7 +311,6 @@
311 311  )))
312 312  
313 313  
314 -
315 315  === 2.2.5  Use CoAP protocol to uplink data ===
316 316  
317 317  
... ... @@ -326,10 +326,10 @@
326 326  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
327 327  )))
328 328  * (((
329 -(% 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
330 330  )))
331 331  * (((
332 -(% 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
333 333  )))
334 334  
335 335  (((
... ... @@ -348,7 +348,6 @@
348 348  [[image:1657352185396-303.png]]
349 349  
350 350  
351 -
352 352  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
353 353  
354 354  
... ... @@ -356,8 +356,6 @@
356 356  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
357 357  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
358 358  
359 -
360 -
361 361  [[image:1657352391268-297.png]]
362 362  
363 363  
... ... @@ -364,22 +364,19 @@
364 364  [[image:1657352403317-397.png]]
365 365  
366 366  
367 -
368 368  === 2.2.7  Use MQTT protocol to uplink data ===
369 369  
370 370  
371 371  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
372 372  
373 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
374 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
375 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
376 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
377 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
378 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
379 -* (% 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
380 380  
381 -
382 -
383 383  [[image:1657352634421-276.png]]
384 384  
385 385  
... ... @@ -396,7 +396,6 @@
396 396  )))
397 397  
398 398  
399 -
400 400  === 2.2.8  Use TCP protocol to uplink data ===
401 401  
402 402  
... ... @@ -405,8 +405,6 @@
405 405  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
406 406  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
407 407  
408 -
409 -
410 410  [[image:1657352898400-901.png]]
411 411  
412 412  
... ... @@ -413,7 +413,6 @@
413 413  [[image:1657352914475-252.png]]
414 414  
415 415  
416 -
417 417  === 2.2.9  Change Update Interval ===
418 418  
419 419  
... ... @@ -425,13 +425,20 @@
425 425  
426 426  )))
427 427  
399 +(((
400 +(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
401 +)))
428 428  
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 +)))
429 429  
407 +
430 430  == 2.3  Uplink Payload ==
431 431  
432 432  
433 433  (((
434 -N95S31B 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.
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.
435 435  )))
436 436  
437 437  
... ... @@ -469,21 +469,20 @@
469 469  **By default, the device will send an uplink message every 1 hour.**
470 470  
471 471  
472 -
473 473  
474 474  )))
475 475  
476 476  === 2.3.1  Payload Analyze ===
477 477  
455 +==== 2.3.1.1  Before Firmware v1.2 ====
478 478  
457 +
479 479  N95S31B uplink payload includes in total 21 bytes
480 480  
481 481  
482 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
483 -|=(% style="width: 60px;" %)(((
484 -**Size(bytes)**
485 -)))|=(% 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**
486 -|(% 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" %)(((
487 487  (((
488 488  Reserve/ Same as NBSN95 CFGMOD=1
489 489  )))
... ... @@ -491,7 +491,7 @@
491 491  (((
492 492  No function here.
493 493  )))
494 -)))|(% style="width:77px" %)(((
471 +)))|(% style="width:102px" %)(((
495 495  (((
496 496  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
497 497  )))
... ... @@ -499,7 +499,7 @@
499 499  (((
500 500  By SHT31
501 501  )))
502 -)))|(% style="width:80px" %)(((
479 +)))|(% style="width:81px" %)(((
503 503  (((
504 504  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
505 505  )))
... ... @@ -521,27 +521,87 @@
521 521  [[image:1657354294009-643.png]]
522 522  
523 523  
524 -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**
525 525  
526 -* Device ID: 0x724031607457 = 724031607457
527 -* Version: 0x006e=110=1.1.0
503 +**where:**
528 528  
529 -* BAT: 0x0ccd = 3277 mV = 3.277V
530 -* Signal: 0x1b = 27
531 -* Model: 0x01 = 1
532 -* 0x00dc000ccc= reserve, ignore in N95S31B
533 -* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
534 -* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
505 +* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
535 535  
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 +
536 536  (((
537 537  
538 -)))
539 539  
540 -(((
524 +
541 541  
542 542  )))
543 543  
528 +==== 2.3.1.2 Since Firmware v1.2 ====
544 544  
530 +
531 +In this mode, uplink payload includes 91 bytes in total by default.
532 +
533 +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.
534 +
535 +
536 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
537 +|=(% 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**
538 +|=(% 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 .....
539 +
540 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
541 +
542 +
543 +[[image:image-20220908154949-1.png]]
544 +
545 +
546 +The payload is ASCII string, representative same HEX:
547 +
548 +**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__ **
549 +
550 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
551 +
552 +**where:**
553 +
554 +* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
555 +
556 +* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
557 +
558 +* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
559 +
560 +* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
561 +
562 +* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
563 +
564 +* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
565 +
566 +* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
567 +
568 +* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
569 +
570 +* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
571 +
572 +* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
573 +
574 +* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
575 +
576 +* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
577 +
578 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
579 +
580 +
581 +
545 545  === 2.3.2  Device ID ===
546 546  
547 547  
... ... @@ -551,10 +551,12 @@
551 551  
552 552  (((
553 553  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
591 +
592 +
554 554  )))
555 555  
556 556  (((
557 -**Example:**
596 +(% style="color:blue" %)**Example:**
558 558  )))
559 559  
560 560  (((
... ... @@ -562,11 +562,24 @@
562 562  )))
563 563  
564 564  (((
565 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
604 +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.
605 +
606 +
566 566  )))
567 567  
609 +(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
568 568  
569 569  
612 +By default, the Device ID equal to the last 15 bits of IMEI.
613 +
614 +User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
615 +
616 +
617 +(% style="color:blue" %)**Example:**
618 +
619 +AT+DEUI=868411056754138
620 +
621 +
570 570  === 2.3.3  Version Info ===
571 571  
572 572  
... ... @@ -594,7 +594,6 @@
594 594  
595 595  )))
596 596  
597 -
598 598  === 2.3.4  Battery Info ===
599 599  
600 600  
... ... @@ -607,7 +607,6 @@
607 607  )))
608 608  
609 609  
610 -
611 611  === 2.3.5  Signal Strength ===
612 612  
613 613  
... ... @@ -640,7 +640,6 @@
640 640  )))
641 641  
642 642  
643 -
644 644  === 2.3.6  Temperature & Humidity ===
645 645  
646 646  
... ... @@ -659,7 +659,6 @@
659 659  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
660 660  
661 661  
662 -
663 663  == 2.4  Downlink Payload ==
664 664  
665 665  
... ... @@ -712,13 +712,70 @@
712 712  )))
713 713  
714 714  
763 +== 2.5  Humidity and Temperature alarm function ==
715 715  
716 -== 2.5  ​Battery Analysis ==
717 717  
766 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
718 718  
719 -=== 2.5.1  ​Battery Type ===
720 720  
769 +(% style="color:#037691" %)**AT+ SHHUM=min,max**
721 721  
771 +
772 +² When min=0, and max≠0, Alarm higher than max
773 +
774 +² When min≠0, and max=0, Alarm lower than min
775 +
776 +² When min≠0 and max≠0, Alarm higher than max or lower than min
777 +
778 +
779 + (% style="color:blue" %)**Example:**
780 +
781 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
782 +
783 +
784 +(% style="color:#037691" %)**AT+ SHTEMP=min,max**
785 +
786 +² When min=0, and max≠0, Alarm higher than max
787 +
788 +² When min≠0, and max=0, Alarm lower than min
789 +
790 +² When min≠0 and max≠0, Alarm higher than max or lower than min
791 +
792 +
793 +**~ (% style="color:blue" %)Example:(%%)**
794 +
795 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
796 +
797 +
798 +== 2.6 Set the number of data to be uploaded and the recording time ==
799 +
800 +
801 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
802 +
803 +* (% 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)
804 +* (% 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.
805 +
806 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
807 +
808 +[[image:image-20221009001045-1.png||height="726" width="1009"]]
809 +
810 +
811 +== 2.7 Read or Clear cached data ==
812 +
813 +
814 +**~ (% style="color:blue" %)➢ AT Command:(%%)**
815 +
816 +* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
817 +* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
818 +
819 +[[image:image-20220908163102-2.png]]
820 +
821 +
822 +== 2.8  ​Battery Analysis ==
823 +
824 +=== 2.8.1  ​Battery Type ===
825 +
826 +
722 722  (((
723 723  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.
724 724  )))
... ... @@ -740,10 +740,9 @@
740 740  )))
741 741  
742 742  
848 +=== 2.8.2  Power consumption Analyze ===
743 743  
744 -=== 2.5.2  Power consumption Analyze ===
745 745  
746 -
747 747  (((
748 748  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.
749 749  )))
... ... @@ -752,19 +752,17 @@
752 752  
753 753  )))
754 754  
859 +=== 2.8.3  ​Battery Note ===
755 755  
756 -=== 2.5.3  ​Battery Note ===
757 757  
758 -
759 759  (((
760 760  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.
761 761  )))
762 762  
763 763  
867 +=== 2.8.4  Replace the battery ===
764 764  
765 -=== 2.5.4  Replace the battery ===
766 766  
767 -
768 768  (((
769 769  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.
770 770  )))
... ... @@ -775,7 +775,6 @@
775 775  )))
776 776  
777 777  
778 -
779 779  = 3. ​ Access NB-IoT Module =
780 780  
781 781  
... ... @@ -792,10 +792,8 @@
792 792  [[image:1657333200519-600.png]]
793 793  
794 794  
795 -
796 796  = 4.  Using the AT Commands =
797 797  
798 -
799 799  == 4.1  Access AT Commands ==
800 800  
801 801  
... ... @@ -841,7 +841,24 @@
841 841  
842 842  AT+SERVADDR  : Server Address
843 843  
943 +AT+TR      : Get or Set record time
844 844  
945 +AT+APN     : Get or set the APN
946 +
947 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
948 +
949 +AT+DNSCFG  : Get or Set DNS Server
950 +
951 +AT+GETSENSORVALUE   : Returns the current sensor measurement
952 +
953 +AT+NOUD      : Get or Set the number of data to be uploaded
954 +
955 +AT+CDP     : Read or Clear cached data
956 +
957 +AT+SHTEMP: Get or Set alarm of temp
958 +
959 +AT+SHHUM: Get or Set alarm of moisture
960 +
845 845  (% style="color:#037691" %)**COAP Management**      
846 846  
847 847  AT+URI            : Resource parameters
... ... @@ -872,10 +872,8 @@
872 872  AT+PWORD  : Serial Access Password
873 873  
874 874  
875 -
876 876  = ​5.  FAQ =
877 877  
878 -
879 879  == 5.1 ​ How to Upgrade Firmware ==
880 880  
881 881  
... ... @@ -896,10 +896,8 @@
896 896  )))
897 897  
898 898  
899 -
900 900  = 6.  Trouble Shooting =
901 901  
902 -
903 903  == 6.1  ​Connection problem when uploading firmware ==
904 904  
905 905  
... ... @@ -912,7 +912,6 @@
912 912  
913 913  )))
914 914  
915 -
916 916  == 6.2  AT Command input doesn't work ==
917 917  
918 918  
... ... @@ -922,7 +922,6 @@
922 922  
923 923  )))
924 924  
925 -
926 926  = 7. ​ Order Info =
927 927  
928 928  
... ... @@ -929,11 +929,6 @@
929 929  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
930 930  
931 931  
932 -(% class="wikigeneratedid" %)
933 -(((
934 -
935 -)))
936 -
937 937  = 8.  Packing Info =
938 938  
939 939  (((
... ... @@ -959,7 +959,6 @@
959 959  (((
960 960  
961 961  
962 -
963 963  
964 964  )))
965 965  
... ... @@ -970,4 +970,6 @@
970 970  * 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]]
971 971  
972 972  
1077 +
1078 +
973 973  
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