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1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

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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
...	...	@@ -78,12 +78,12 @@
78	78
79	79	(% style="color:#037691" %)**NB-IoT Spec:**
80	80
81		-* B1 @H-FDD: 2100MHz
82		-* B3 @H-FDD: 1800MHz
83		-* B8 @H-FDD: 900MHz
84		-* B5 @H-FDD: 850MHz
85		-* B20 @H-FDD: 800MHz
86		-* B28 @H-FDD: 700MHz
	81	+* - B1 @H-FDD: 2100MHz
	82	+* - B3 @H-FDD: 1800MHz
	83	+* - B8 @H-FDD: 900MHz
	84	+* - B5 @H-FDD: 850MHz
	85	+* - B20 @H-FDD: 800MHz
	86	+* - B28 @H-FDD: 700MHz
87	87
88	88	(% style="color:#037691" %)**Battery:**
89	89
...	...	@@ -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	)))
...	...	@@ -496,29 +496,28 @@
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
	538	+
522	522
523	523	)))
524	524
...	...	@@ -530,9 +530,9 @@
530	530	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.
531	531
532	532
533		-(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
534		-|=(% 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**
535		-|=(% 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 .....
536	536
537	537	If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
538	538
...	...	@@ -542,39 +542,36 @@
542	542
543	543	The payload is ASCII string, representative same HEX:
544	544
545		-**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:
546	546
547		-**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
	564	+* (% style="color:red" %)Device ID: f868411056758782 = f868411056758782
548	548
549		-**where:**
	566	+* (% style="color:blue" %)Version: 0x000c=120=1.2
550	550
551		-* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
	568	+* (% style="color:green" %)BAT: 0x0d0f = 3343 mV = 3.343V
552	552
553		-* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
	570	+* (% style="color:red" %)Singal: 0x0c = 12
554	554
555		-* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
	572	+* (% style="color:blue" %)Mod: 0x01 = 1
556	556
557		-* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
	574	+* TemDS18B20: 0x0000= 0 = 0
558	558
559		-* (% style="color:#037691" %)**Mod:**(%%)  0x01 = 1
	576	+* (% style="color:green" %)Interrupt: 0x00= 0
560	560
561		-* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
	578	+* (% style="color:green" %)adc: 0x0030= 48
562	562
563		-* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
	580	+* SHTTEM: 0x0114= 276 = 27.6
564	564
565		-* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
	582	+* SHTHUM:0x0231 =561=56.1%
566	566
567		-* (% style="color:#037691" %)**SHTTEM:**(%%)  0x0114= 276 = 27.6
	584	+* (% style="color:red" %)Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
568	568
569		-* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
	586	+* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
570	570
571		-* (% 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**//,.......
572	572
573		-* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
574	574
575		-* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
576	576
577		-
578	578	=== 2.3.2  Device ID ===
579	579
580	580
...	...	@@ -589,7 +589,8 @@
589	589	)))
590	590
591	591	(((
592		-(% style="color:blue" %)**Example:**
	606	+*
	607	+** (% style="color:blue" %)Example:
593	593	)))
594	594
595	595	(((
...	...	@@ -610,11 +610,13 @@
610	610	User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
611	611
612	612
613		-(% style="color:blue" %)**Example:**
	628	+*
	629	+** (% style="color:blue" %)Example:
614	614
615	615	AT+DEUI=868411056754138
616	616
617	617
	634	+
618	618	=== 2.3.3  Version Info ===
619	619
620	620
...	...	@@ -642,6 +642,7 @@
642	642
643	643	)))
644	644
	662	+
645	645	=== 2.3.4  Battery Info ===
646	646
647	647
...	...	@@ -654,6 +654,7 @@
654	654	)))
655	655
656	656
	675	+
657	657	=== 2.3.5  Signal Strength ===
658	658
659	659
...	...	@@ -686,6 +686,7 @@
686	686	)))
687	687
688	688
	708	+
689	689	=== 2.3.6  Temperature & Humidity ===
690	690
691	691
...	...	@@ -704,6 +704,7 @@
704	704	Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
705	705
706	706
	727	+
707	707	== 2.4  Downlink Payload ==
708	708
709	709
...	...	@@ -756,6 +756,7 @@
756	756	)))
757	757
758	758
	780	+
759	759	== 2.5  Humidity and Temperature alarm function ==
760	760
761	761
...	...	@@ -791,17 +791,16 @@
791	791	AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
792	792
793	793
	816	+
794	794	== 2.6 Set the number of data to be uploaded and the recording time ==
795	795
796	796
797	797	**~ (% style="color:blue" %)➢ AT Command:(%%)**
798	798
799		-* (% 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)
800	800	* (% 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.
801	801
802		- The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
803	803
804		-[[image:image-20221009001045-1.png||height="726" width="1009"]]
805	805
806	806
807	807	== 2.7 Read or Clear cached data ==
...	...	@@ -812,17 +812,75 @@
812	812	* (% style="color:#037691" %)**AT+CDP**  (%%) ~/~/ Read cached data
813	813	* (% style="color:#037691" %)**AT+CDP=0** (%%) ~/~/  Clear cached data
814	814
	836	+
	837	+
815	815	[[image:image-20220908163102-2.png]]
816	816
817	817
818		-== 2.8 Battery & Power Consumption ==
819	819
	842	+== 2.8  ​Battery Analysis ==
820	820
821		-N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
822	822
823		-[[**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 ===
824	824
825	825
	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	+(((
	878	+
	879	+)))
	880	+
	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	+
826	826	= 3. ​ Access NB-IoT Module =
827	827
828	828
...	...	@@ -839,8 +839,10 @@
839	839	[[image:1657333200519-600.png]]
840	840
841	841
	921	+
842	842	= 4.  Using the AT Commands =
843	843
	924	+
844	844	== 4.1  Access AT Commands ==
845	845
846	846
...	...	@@ -934,8 +934,10 @@
934	934	AT+PWORD  : Serial Access Password
935	935
936	936
	1018	+
937	937	= ​5.  FAQ =
938	938
	1021	+
939	939	== 5.1 ​ How to Upgrade Firmware ==
940	940
941	941
...	...	@@ -948,7 +948,7 @@
948	948	)))
949	949
950	950	(((
951		-firmware：[[Dropbox - Firmware - 简化您的生活>>url:https://www.dropbox.com/sh/ap9k142hfnlh5w6/AACJeN_St0ryUl3AggrNB5x0a/N95S31B/Firmware?dl=0&subfolder_nav_tracking=1]]
	1034	+
952	952
953	953	(((
954	954	(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.**
...	...	@@ -956,8 +956,10 @@
956	956	)))
957	957
958	958
	1042	+
959	959	= 6.  Trouble Shooting =
960	960
	1045	+
961	961	== 6.1  ​Connection problem when uploading firmware ==
962	962
963	963
...	...	@@ -970,6 +970,7 @@
970	970
971	971	)))
972	972
	1058	+
973	973	== 6.2  AT Command input doesn't work ==
974	974
975	975
...	...	@@ -979,6 +979,7 @@
979	979
980	980	)))
981	981
	1068	+
982	982	= 7. ​ Order Info =
983	983
984	984
...	...	@@ -985,6 +985,11 @@
985	985	Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
986	986
987	987
	1075	+(% class="wikigeneratedid" %)
	1076	+(((
	1077	+
	1078	+)))
	1079	+
988	988	= 8.  Packing Info =
989	989
990	990	(((
...	...	@@ -1010,6 +1010,7 @@
1010	1010	(((
1011	1011
1012	1012
	1105	+
1013	1013
1014	1014	)))
1015	1015
...	...	@@ -1019,4 +1019,6 @@
1019	1019	* 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.
1020	1020	* 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]]
1021	1021
	1115	+
	1116	+
1022	1022

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