Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 129.33 >
edited by Xiaoling
on 2022/12/30 11:21
To version < 121.1 >
edited by David Huang
on 2022/09/08 16:31
>
Change comment: Uploaded new attachment "image-20220908163102-2.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.David
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  (((
... ... @@ -69,6 +69,7 @@
69 69  
70 70  
71 71  
73 +
72 72  == 1.3  Specification ==
73 73  
74 74  
... ... @@ -77,6 +77,8 @@
77 77  * Supply Voltage: 2.1v ~~ 3.6v
78 78  * Operating Temperature: -40 ~~ 85°C
79 79  
82 +
83 +
80 80  (% style="color:#037691" %)**NB-IoT Spec:**
81 81  
82 82  * - B1 @H-FDD: 2100MHz
... ... @@ -86,6 +86,8 @@
86 86  * - B20 @H-FDD: 800MHz
87 87  * - B28 @H-FDD: 700MHz
88 88  
93 +
94 +
89 89  (% style="color:#037691" %)**Battery:**
90 90  
91 91  * Li/SOCI2 un-chargeable battery
... ... @@ -96,6 +96,7 @@
96 96  
97 97  
98 98  
105 +
99 99  == ​1.4  Applications ==
100 100  
101 101  
... ... @@ -110,6 +110,7 @@
110 110  ​
111 111  
112 112  
120 +
113 113  == 1.5  Pin Definitions & Switch ==
114 114  
115 115  
... ... @@ -119,6 +119,7 @@
119 119  [[image:image-20220709144723-1.png]]
120 120  
121 121  
130 +
122 122  === 1.5.1 Jumper JP2 ===
123 123  
124 124  
... ... @@ -125,18 +125,20 @@
125 125  Power on Device when put this jumper.
126 126  
127 127  
137 +
128 128  === 1.5.2 BOOT MODE / SW1 ===
129 129  
130 130  
131 131  (((
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.
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.
133 133  )))
134 134  
135 135  (((
136 -**2) Flash:**  work mode, device starts to work and send out console output for further debug
146 +2) Flash: work mode, device starts to work and send out console output for further debug
137 137  )))
138 138  
139 139  
150 +
140 140  === 1.5.3 Reset Button ===
141 141  
142 142  
... ... @@ -143,18 +143,21 @@
143 143  Press to reboot the device.
144 144  
145 145  
157 +
146 146  === 1.5.4 LED ===
147 147  
148 148  
149 149  It will flash:
150 150  
151 -1.  When boot the device in flash mode
163 +1. When boot the device in flash mode
164 +1. Send an uplink packet
152 152  
153 -2.  Send an uplink packet
154 154  
155 155  
168 +
156 156  = 2.  Use N95S31B to communicate with IoT Server =
157 157  
171 +
158 158  == 2.1  How it works ==
159 159  
160 160  
... ... @@ -180,6 +180,7 @@
180 180  
181 181  == 2.2 ​ Configure the N95S31B ==
182 182  
197 +
183 183  === 2.2.1  Power On N95S31B ===
184 184  
185 185  
... ... @@ -186,9 +186,10 @@
186 186  [[image:image-20220709150546-2.png]]
187 187  
188 188  
189 -=== 2.2.2 Test Requirement ===
190 190  
205 +=== 2.2.1 Test Requirement ===
191 191  
207 +
192 192  (((
193 193  To use N95S31B in your city, make sure meet below requirements:
194 194  )))
... ... @@ -235,6 +235,7 @@
235 235  [[image:1657350625843-586.png]]
236 236  
237 237  
254 +
238 238  === 2.2.3  Insert SIM card ===
239 239  
240 240  
... ... @@ -250,6 +250,7 @@
250 250  [[image:1657351240556-536.png]]
251 251  
252 252  
270 +
253 253  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
254 254  
255 255  
... ... @@ -264,13 +264,13 @@
264 264  [[image:1657351312545-300.png]]
265 265  
266 266  
267 -(% style="color:blue" %)**Connection:**
285 +**Connection:**
268 268  
269 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
287 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
270 270  
271 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
289 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
272 272  
273 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
291 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
274 274  
275 275  
276 276  In the PC, use below serial tool settings:
... ... @@ -293,6 +293,7 @@
293 293  )))
294 294  
295 295  
314 +
296 296  === 2.2.5  Use CoAP protocol to uplink data ===
297 297  
298 298  
... ... @@ -307,10 +307,10 @@
307 307  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
308 308  )))
309 309  * (((
310 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
329 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
311 311  )))
312 312  * (((
313 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
332 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
314 314  )))
315 315  
316 316  (((
... ... @@ -329,6 +329,7 @@
329 329  [[image:1657352185396-303.png]]
330 330  
331 331  
351 +
332 332  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
333 333  
334 334  
... ... @@ -336,6 +336,8 @@
336 336  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
337 337  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
338 338  
359 +
360 +
339 339  [[image:1657352391268-297.png]]
340 340  
341 341  
... ... @@ -342,19 +342,22 @@
342 342  [[image:1657352403317-397.png]]
343 343  
344 344  
367 +
345 345  === 2.2.7  Use MQTT protocol to uplink data ===
346 346  
347 347  
348 348  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
349 349  
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
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
357 357  
381 +
382 +
358 358  [[image:1657352634421-276.png]]
359 359  
360 360  
... ... @@ -371,6 +371,7 @@
371 371  )))
372 372  
373 373  
399 +
374 374  === 2.2.8  Use TCP protocol to uplink data ===
375 375  
376 376  
... ... @@ -379,6 +379,8 @@
379 379  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
380 380  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
381 381  
408 +
409 +
382 382  [[image:1657352898400-901.png]]
383 383  
384 384  
... ... @@ -385,6 +385,7 @@
385 385  [[image:1657352914475-252.png]]
386 386  
387 387  
416 +
388 388  === 2.2.9  Change Update Interval ===
389 389  
390 390  
... ... @@ -396,20 +396,13 @@
396 396  
397 397  )))
398 398  
399 -(((
400 -(% style="color:red" %)**NOTE: Since firmware version is v1.2:**
401 -)))
402 402  
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 -)))
406 406  
407 -
408 408  == 2.3  Uplink Payload ==
409 409  
410 410  
411 411  (((
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.
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.
413 413  )))
414 414  
415 415  
... ... @@ -447,20 +447,21 @@
447 447  **By default, the device will send an uplink message every 1 hour.**
448 448  
449 449  
472 +
450 450  
451 451  )))
452 452  
453 453  === 2.3.1  Payload Analyze ===
454 454  
455 -==== 2.3.1.1  Before Firmware v1.2 ====
456 456  
457 -
458 458  N95S31B uplink payload includes in total 21 bytes
459 459  
460 460  
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" %)(((
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" %)(((
464 464  (((
465 465  Reserve/ Same as NBSN95 CFGMOD=1
466 466  )))
... ... @@ -468,7 +468,7 @@
468 468  (((
469 469  No function here.
470 470  )))
471 -)))|(% style="width:102px" %)(((
494 +)))|(% style="width:77px" %)(((
472 472  (((
473 473  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
474 474  )))
... ... @@ -476,7 +476,7 @@
476 476  (((
477 477  By SHT31
478 478  )))
479 -)))|(% style="width:81px" %)(((
502 +)))|(% style="width:80px" %)(((
480 480  (((
481 481  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
482 482  )))
... ... @@ -498,87 +498,27 @@
498 498  [[image:1657354294009-643.png]]
499 499  
500 500  
501 -The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
524 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
502 502  
503 -**where:**
526 +* Device ID: 0x724031607457 = 724031607457
527 +* Version: 0x006e=110=1.1.0
504 504  
505 -* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
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
506 506  
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 -
521 521  (((
522 522  
538 +)))
523 523  
524 -
540 +(((
525 525  
526 526  )))
527 527  
528 -==== 2.3.1.2 Since Firmware v1.2 ====
529 529  
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 -
582 582  === 2.3.2  Device ID ===
583 583  
584 584  
... ... @@ -588,12 +588,10 @@
588 588  
589 589  (((
590 590  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
591 -
592 -
593 593  )))
594 594  
595 595  (((
596 -(% style="color:blue" %)**Example:**
557 +**Example:**
597 597  )))
598 598  
599 599  (((
... ... @@ -601,24 +601,11 @@
601 601  )))
602 602  
603 603  (((
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 -
565 +The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
607 607  )))
608 608  
609 -(% style="color:red" %)**NOTE: When the firmware version is v1.2 and later firmware:**
610 610  
611 611  
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 -
622 622  === 2.3.3  Version Info ===
623 623  
624 624  
... ... @@ -646,6 +646,7 @@
646 646  
647 647  )))
648 648  
597 +
649 649  === 2.3.4  Battery Info ===
650 650  
651 651  
... ... @@ -658,6 +658,7 @@
658 658  )))
659 659  
660 660  
610 +
661 661  === 2.3.5  Signal Strength ===
662 662  
663 663  
... ... @@ -690,6 +690,7 @@
690 690  )))
691 691  
692 692  
643 +
693 693  === 2.3.6  Temperature & Humidity ===
694 694  
695 695  
... ... @@ -708,6 +708,7 @@
708 708  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
709 709  
710 710  
662 +
711 711  == 2.4  Downlink Payload ==
712 712  
713 713  
... ... @@ -760,70 +760,13 @@
760 760  )))
761 761  
762 762  
763 -== 2.5  Humidity and Temperature alarm function ==
764 764  
716 +== 2.5  ​Battery Analysis ==
765 765  
766 -**~ (% style="color:blue" %)➢ AT Command:(%%)**
767 767  
719 +=== 2.5.1  ​Battery Type ===
768 768  
769 -(% style="color:#037691" %)**AT+ SHHUM=min,max**
770 770  
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 -
827 827  (((
828 828  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.
829 829  )))
... ... @@ -845,9 +845,10 @@
845 845  )))
846 846  
847 847  
848 -=== 2.8.2  Power consumption Analyze ===
849 849  
744 +=== 2.5.2  Power consumption Analyze ===
850 850  
746 +
851 851  (((
852 852  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.
853 853  )))
... ... @@ -856,17 +856,19 @@
856 856  
857 857  )))
858 858  
859 -=== 2.8.3  ​Battery Note ===
860 860  
756 +=== 2.5.3  ​Battery Note ===
861 861  
758 +
862 862  (((
863 863  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.
864 864  )))
865 865  
866 866  
867 -=== 2.8.4  Replace the battery ===
868 868  
765 +=== 2.5.4  Replace the battery ===
869 869  
767 +
870 870  (((
871 871  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.
872 872  )))
... ... @@ -877,6 +877,7 @@
877 877  )))
878 878  
879 879  
778 +
880 880  = 3. ​ Access NB-IoT Module =
881 881  
882 882  
... ... @@ -893,8 +893,10 @@
893 893  [[image:1657333200519-600.png]]
894 894  
895 895  
795 +
896 896  = 4.  Using the AT Commands =
897 897  
798 +
898 898  == 4.1  Access AT Commands ==
899 899  
900 900  
... ... @@ -940,24 +940,7 @@
940 940  
941 941  AT+SERVADDR  : Server Address
942 942  
943 -AT+TR      : Get or Set record time
944 944  
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 -
961 961  (% style="color:#037691" %)**COAP Management**      
962 962  
963 963  AT+URI            : Resource parameters
... ... @@ -988,8 +988,10 @@
988 988  AT+PWORD  : Serial Access Password
989 989  
990 990  
875 +
991 991  = ​5.  FAQ =
992 992  
878 +
993 993  == 5.1 ​ How to Upgrade Firmware ==
994 994  
995 995  
... ... @@ -1010,8 +1010,10 @@
1010 1010  )))
1011 1011  
1012 1012  
899 +
1013 1013  = 6.  Trouble Shooting =
1014 1014  
902 +
1015 1015  == 6.1  ​Connection problem when uploading firmware ==
1016 1016  
1017 1017  
... ... @@ -1024,6 +1024,7 @@
1024 1024  
1025 1025  )))
1026 1026  
915 +
1027 1027  == 6.2  AT Command input doesn't work ==
1028 1028  
1029 1029  
... ... @@ -1033,6 +1033,7 @@
1033 1033  
1034 1034  )))
1035 1035  
925 +
1036 1036  = 7. ​ Order Info =
1037 1037  
1038 1038  
... ... @@ -1039,6 +1039,11 @@
1039 1039  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
1040 1040  
1041 1041  
932 +(% class="wikigeneratedid" %)
933 +(((
934 +
935 +)))
936 +
1042 1042  = 8.  Packing Info =
1043 1043  
1044 1044  (((
... ... @@ -1064,6 +1064,7 @@
1064 1064  (((
1065 1065  
1066 1066  
962 +
1067 1067  
1068 1068  )))
1069 1069  
... ... @@ -1074,6 +1074,4 @@
1074 1074  * 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]]
1075 1075  
1076 1076  
1077 -
1078 -
1079 1079  
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