Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 129.35 >
edited by Xiaoling
on 2023/04/03 16:57
To version < 125.5 >
edited by Xiaoling
on 2022/09/09 16:02
>
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  (((
... ... @@ -67,7 +67,6 @@
67 67  * Micro SIM card slot for NB-IoT SIM
68 68  * 8500mAh Battery for long term use
69 69  
70 -
71 71  == 1.3  Specification ==
72 72  
73 73  
... ... @@ -93,7 +93,6 @@
93 93  * Max continuously current: 130mA
94 94  * Max boost current: 2A, 1 second
95 95  
96 -
97 97  == ​1.4  Applications ==
98 98  
99 99  
... ... @@ -108,6 +108,8 @@
108 108  ​
109 109  
110 110  
110 +
111 +
111 111  == 1.5  Pin Definitions & Switch ==
112 112  
113 113  
... ... @@ -117,6 +117,7 @@
117 117  [[image:image-20220709144723-1.png]]
118 118  
119 119  
121 +
120 120  === 1.5.1 Jumper JP2 ===
121 121  
122 122  
... ... @@ -123,18 +123,20 @@
123 123  Power on Device when put this jumper.
124 124  
125 125  
128 +
126 126  === 1.5.2 BOOT MODE / SW1 ===
127 127  
128 128  
129 129  (((
130 -**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 +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.
131 131  )))
132 132  
133 133  (((
134 -**2) Flash:**  work mode, device starts to work and send out console output for further debug
137 +2) Flash: work mode, device starts to work and send out console output for further debug
135 135  )))
136 136  
137 137  
141 +
138 138  === 1.5.3 Reset Button ===
139 139  
140 140  
... ... @@ -141,18 +141,18 @@
141 141  Press to reboot the device.
142 142  
143 143  
148 +
144 144  === 1.5.4 LED ===
145 145  
146 146  
147 147  It will flash:
148 148  
149 -1.  When boot the device in flash mode
154 +1. When boot the device in flash mode
155 +1. Send an uplink packet
150 150  
151 -2.  Send an uplink packet
152 -
153 -
154 154  = 2.  Use N95S31B to communicate with IoT Server =
155 155  
159 +
156 156  == 2.1  How it works ==
157 157  
158 158  
... ... @@ -178,6 +178,7 @@
178 178  
179 179  == 2.2 ​ Configure the N95S31B ==
180 180  
185 +
181 181  === 2.2.1  Power On N95S31B ===
182 182  
183 183  
... ... @@ -184,9 +184,10 @@
184 184  [[image:image-20220709150546-2.png]]
185 185  
186 186  
187 -=== 2.2.2 Test Requirement ===
188 188  
193 +=== 2.2.1 Test Requirement ===
189 189  
195 +
190 190  (((
191 191  To use N95S31B in your city, make sure meet below requirements:
192 192  )))
... ... @@ -233,6 +233,7 @@
233 233  [[image:1657350625843-586.png]]
234 234  
235 235  
242 +
236 236  === 2.2.3  Insert SIM card ===
237 237  
238 238  
... ... @@ -248,6 +248,7 @@
248 248  [[image:1657351240556-536.png]]
249 249  
250 250  
258 +
251 251  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
252 252  
253 253  
... ... @@ -262,13 +262,13 @@
262 262  [[image:1657351312545-300.png]]
263 263  
264 264  
265 -(% style="color:blue" %)**Connection:**
273 +**Connection:**
266 266  
267 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
275 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
268 268  
269 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
277 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
270 270  
271 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
279 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
272 272  
273 273  
274 274  In the PC, use below serial tool settings:
... ... @@ -291,6 +291,7 @@
291 291  )))
292 292  
293 293  
302 +
294 294  === 2.2.5  Use CoAP protocol to uplink data ===
295 295  
296 296  
... ... @@ -305,10 +305,10 @@
305 305  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
306 306  )))
307 307  * (((
308 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
317 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
309 309  )))
310 310  * (((
311 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
320 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
312 312  )))
313 313  
314 314  (((
... ... @@ -327,6 +327,7 @@
327 327  [[image:1657352185396-303.png]]
328 328  
329 329  
339 +
330 330  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
331 331  
332 332  
... ... @@ -340,18 +340,19 @@
340 340  [[image:1657352403317-397.png]]
341 341  
342 342  
353 +
343 343  === 2.2.7  Use MQTT protocol to uplink data ===
344 344  
345 345  
346 346  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
347 347  
348 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
349 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
350 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
351 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
352 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
353 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/  Set the sending topic of MQTT
354 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/  Set the subscription topic of MQTT
359 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
360 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
361 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
362 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
363 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
364 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
365 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
355 355  
356 356  [[image:1657352634421-276.png]]
357 357  
... ... @@ -369,6 +369,7 @@
369 369  )))
370 370  
371 371  
383 +
372 372  === 2.2.8  Use TCP protocol to uplink data ===
373 373  
374 374  
... ... @@ -383,6 +383,7 @@
383 383  [[image:1657352914475-252.png]]
384 384  
385 385  
398 +
386 386  === 2.2.9  Change Update Interval ===
387 387  
388 388  
... ... @@ -403,6 +403,7 @@
403 403  )))
404 404  
405 405  
419 +
406 406  == 2.3  Uplink Payload ==
407 407  
408 408  
... ... @@ -445,11 +445,13 @@
445 445  **By default, the device will send an uplink message every 1 hour.**
446 446  
447 447  
462 +
448 448  
449 449  )))
450 450  
451 451  === 2.3.1  Payload Analyze ===
452 452  
468 +
453 453  ==== 2.3.1.1  Before Firmware v1.2 ====
454 454  
455 455  
... ... @@ -456,9 +456,11 @@
456 456  N95S31B uplink payload includes in total 21 bytes
457 457  
458 458  
459 -(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
460 -|=(% 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**
461 -|(% 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" %)(((
475 +(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:760px" %)
476 +|=(% style="width: 60px;" %)(((
477 +**Size(bytes)**
478 +)))|=(% 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**
479 +|(% 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" %)(((
462 462  (((
463 463  Reserve/ Same as NBSN95 CFGMOD=1
464 464  )))
... ... @@ -466,7 +466,7 @@
466 466  (((
467 467  No function here.
468 468  )))
469 -)))|(% style="width:102px" %)(((
487 +)))|(% style="width:106px" %)(((
470 470  (((
471 471  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
472 472  )))
... ... @@ -474,7 +474,7 @@
474 474  (((
475 475  By SHT31
476 476  )))
477 -)))|(% style="width:81px" %)(((
495 +)))|(% style="width:85px" %)(((
478 478  (((
479 479  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
480 480  )))
... ... @@ -496,26 +496,24 @@
496 496  [[image:1657354294009-643.png]]
497 497  
498 498  
499 -The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
517 +The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
500 500  
501 -**where:**
519 +* Device ID:  0x724031607457 = 724031607457
502 502  
503 -* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
521 +* Version:  0x006e=110=1.1.0
504 504  
505 -* (% style="color:#037691" %)**Version: **(%%) 0x006e=110=1.1.0
523 +* BAT:  0x0ccd = 3277 mV = 3.277V
506 506  
507 -* (% style="color:#037691" %)**BAT:**   (%%) 0x0ccd = 3277 mV = 3.277V
525 +* Signal:  0x1b = 27
508 508  
509 -* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
527 +* Model:  0x01 = 1
510 510  
511 -* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
529 +* 0x00dc000ccc= reserve, ignore in N95S31B
512 512  
513 -* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
531 +* Temperature by SHT31:  0x00e1 = 225 = 22.5 °C
514 514  
515 -* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
533 +* Humidity by SHT31:  0x0186 = 390 = 39.0 %rh
516 516  
517 -* (% style="color:#037691" %)**Humidity by SHT31:**  (%%) 0x0186 = 390 = 39.0 %rh
518 -
519 519  (((
520 520  
521 521  
... ... @@ -531,9 +531,9 @@
531 531  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.
532 532  
533 533  
534 -(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
535 -|=(% 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**
536 -|=(% 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 .....
550 +(% border="2" style="background-color:#ffffcc; color:green; width:1234px" %)
551 +|(% 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**
552 +|(% 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 .....
537 537  
538 538  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
539 539  
... ... @@ -543,39 +543,36 @@
543 543  
544 544  The payload is ASCII string, representative same HEX:
545 545  
546 -**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__ **
562 +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:
547 547  
548 -**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
564 +* (% style="color:red" %)Device ID: f868411056758782 = f868411056758782
549 549  
550 -**where:**
566 +* (% style="color:blue" %)Version: 0x000c=120=1.2
551 551  
552 -* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
568 +* (% style="color:green" %)BAT: 0x0d0f = 3343 mV = 3.343V
553 553  
554 -* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
570 +* (% style="color:red" %)Singal: 0x0c = 12
555 555  
556 -* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
572 +* (% style="color:blue" %)Mod: 0x01 = 1
557 557  
558 -* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
574 +* TemDS18B20: 0x0000= 0 = 0
559 559  
560 -* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
576 +* (% style="color:green" %)Interrupt: 0x00= 0
561 561  
562 -* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
578 +* (% style="color:green" %)adc: 0x0030= 48
563 563  
564 -* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
580 +* SHTTEM: 0x0114= 276 = 27.6
565 565  
566 -* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
582 +* SHTHUM:0x0231 =561=56.1%
567 567  
568 -* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
584 +* (% style="color:red" %)Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
569 569  
570 -* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
586 +* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
571 571  
572 -* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
588 +* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
573 573  
574 -* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
575 575  
576 -* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
577 577  
578 -
579 579  === 2.3.2  Device ID ===
580 580  
581 581  
... ... @@ -590,7 +590,8 @@
590 590  )))
591 591  
592 592  (((
593 -(% style="color:blue" %)**Example:**
606 +*
607 +** (% style="color:blue" %)Example:
594 594  )))
595 595  
596 596  (((
... ... @@ -611,11 +611,13 @@
611 611  User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
612 612  
613 613  
614 -(% style="color:blue" %)**Example:**
628 +*
629 +** (% style="color:blue" %)Example:
615 615  
616 616  AT+DEUI=868411056754138
617 617  
618 618  
634 +
619 619  === 2.3.3  Version Info ===
620 620  
621 621  
... ... @@ -643,6 +643,7 @@
643 643  
644 644  )))
645 645  
662 +
646 646  === 2.3.4  Battery Info ===
647 647  
648 648  
... ... @@ -655,6 +655,7 @@
655 655  )))
656 656  
657 657  
675 +
658 658  === 2.3.5  Signal Strength ===
659 659  
660 660  
... ... @@ -687,6 +687,7 @@
687 687  )))
688 688  
689 689  
708 +
690 690  === 2.3.6  Temperature & Humidity ===
691 691  
692 692  
... ... @@ -705,6 +705,7 @@
705 705  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
706 706  
707 707  
727 +
708 708  == 2.4  Downlink Payload ==
709 709  
710 710  
... ... @@ -757,6 +757,7 @@
757 757  )))
758 758  
759 759  
780 +
760 760  == 2.5  Humidity and Temperature alarm function ==
761 761  
762 762  
... ... @@ -792,17 +792,16 @@
792 792  AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
793 793  
794 794  
816 +
795 795  == 2.6 Set the number of data to be uploaded and the recording time ==
796 796  
797 797  
798 798  **~ (% style="color:blue" %)➢ AT Command:(%%)**
799 799  
800 -* (% 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)
822 +* (% 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)
801 801  * (% 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.
802 802  
803 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
804 804  
805 -[[image:image-20221009001045-1.png||height="726" width="1009"]]
806 806  
807 807  
808 808  == 2.7 Read or Clear cached data ==
... ... @@ -813,19 +813,75 @@
813 813  * (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
814 814  * (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
815 815  
836 +
837 +
816 816  [[image:image-20220908163102-2.png]]
817 817  
818 818  
819 -= 2.8 Battery & Power Consumption =
820 820  
842 +== 2.8  ​Battery Analysis ==
821 821  
822 -N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
823 823  
824 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
845 +=== 2.8.1  ​Battery Type ===
825 825  
826 826  
848 +(((
849 +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.
850 +)))
851 +
852 +(((
853 +The battery is designed to last for several years depends on the actually use environment and update interval. 
854 +)))
855 +
856 +(((
857 +The battery related documents as below:
858 +)))
859 +
860 +* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
861 +* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
862 +* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
863 +
864 +(((
865 +[[image:image-20220709101450-2.png]]
866 +)))
867 +
868 +
869 +
870 +=== 2.8.2  Power consumption Analyze ===
871 +
872 +
873 +(((
874 +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.
875 +)))
876 +
877 +(((
827 827  
879 +)))
828 828  
881 +
882 +=== 2.8.3  ​Battery Note ===
883 +
884 +
885 +(((
886 +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.
887 +)))
888 +
889 +
890 +
891 +=== 2.8.4  Replace the battery ===
892 +
893 +
894 +(((
895 +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.
896 +)))
897 +
898 +
899 +(((
900 +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).
901 +)))
902 +
903 +
904 +
829 829  = 3. ​ Access NB-IoT Module =
830 830  
831 831  
... ... @@ -842,8 +842,10 @@
842 842  [[image:1657333200519-600.png]]
843 843  
844 844  
921 +
845 845  = 4.  Using the AT Commands =
846 846  
924 +
847 847  == 4.1  Access AT Commands ==
848 848  
849 849  
... ... @@ -937,8 +937,10 @@
937 937  AT+PWORD  : Serial Access Password
938 938  
939 939  
1018 +
940 940  = ​5.  FAQ =
941 941  
1021 +
942 942  == 5.1 ​ How to Upgrade Firmware ==
943 943  
944 944  
... ... @@ -959,8 +959,10 @@
959 959  )))
960 960  
961 961  
1042 +
962 962  = 6.  Trouble Shooting =
963 963  
1045 +
964 964  == 6.1  ​Connection problem when uploading firmware ==
965 965  
966 966  
... ... @@ -973,6 +973,7 @@
973 973  
974 974  )))
975 975  
1058 +
976 976  == 6.2  AT Command input doesn't work ==
977 977  
978 978  
... ... @@ -982,6 +982,7 @@
982 982  
983 983  )))
984 984  
1068 +
985 985  = 7. ​ Order Info =
986 986  
987 987  
... ... @@ -988,6 +988,11 @@
988 988  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
989 989  
990 990  
1075 +(% class="wikigeneratedid" %)
1076 +(((
1077 +
1078 +)))
1079 +
991 991  = 8.  Packing Info =
992 992  
993 993  (((
... ... @@ -1013,6 +1013,7 @@
1013 1013  (((
1014 1014  
1015 1015  
1105 +
1016 1016  
1017 1017  )))
1018 1018  
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