Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual

Last modified by Mengting Qiu on 2024/04/02 16:44

From version < 125.4 >

edited by Xiaoling
on 2022/09/09 15:57

To version < 129.35 >

edited by Xiaoling
on 2023/04/03 16:57

Change comment: There is no comment for this version

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Content

@@ -17,7 +17,6 @@
  = 1.  Introduction =
--
  == 1.1  What is N95S31B NB-IoT Sensor Node ==
  (((
@@ -109,8 +109,6 @@
--
--
  == 1.5  Pin Definitions & Switch ==
@@ -120,7 +120,6 @@
  [[image:image-20220709144723-1.png]]
--
  === 1.5.1  Jumper JP2 ===
@@ -127,20 +127,18 @@
  Power on Device when put this jumper.
--
  === 1.5.2  BOOT MODE / SW1 ===
  (((
--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.
++**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.
  )))
  (((
--2) Flash: work mode, device starts to work and send out console output for further debug
++**2) Flash:**  work mode, device starts to work and send out console output for further debug
  )))
--
  === 1.5.3  Reset Button ===
@@ -147,19 +147,18 @@
  Press to reboot the device.
--
  === 1.5.4  LED ===
  It will flash:
--1. When boot the device in flash mode
--1. Send an uplink packet
++1.  When boot the device in flash mode
++2.  Send an uplink packet
++
  = 2.  Use N95S31B to communicate with IoT Server =
--
  == 2.1  How it works ==
@@ -185,7 +185,6 @@
  == 2.2  Configure the N95S31B ==
--
  === 2.2.1  Power On N95S31B ===
@@ -192,10 +192,9 @@
  [[image:image-20220709150546-2.png]]
++=== 2.2.2  Test Requirement ===
--=== 2.2.1  Test Requirement ===
--
  (((
  To use N95S31B in your city, make sure meet below requirements:
  )))
@@ -242,7 +242,6 @@
  [[image:1657350625843-586.png]]
--
  === 2.2.3  Insert SIM card ===
@@ -258,7 +258,6 @@
  [[image:1657351240556-536.png]]
--
  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
@@ -273,13 +273,13 @@
  [[image:1657351312545-300.png]]
--**Connection:**
++(% style="color:blue" %)**Connection:**
-- (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
++ (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
-- (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
++**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
-- (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
++**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
  In the PC, use below serial tool settings:
@@ -302,7 +302,6 @@
  )))
--
  === 2.2.5  Use CoAP protocol to uplink data ===
@@ -317,10 +317,10 @@
  (% style="color:blue" %)**AT+PRO=1**  (%%)                                             ~/~/ Set to use CoAP protocol to uplink
  )))
  * (((
--(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   **  (%%)~/~/ to set CoAP server address and port
++(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   **    (%%)~/~/ to set CoAP server address and port
  )))
  * (((
--(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%)      ~/~/Set COAP resource path
++(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%)      ~/~/  Set COAP resource path
  )))
  (((
@@ -339,7 +339,6 @@
  [[image:1657352185396-303.png]]
--
  === 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
@@ -353,19 +353,18 @@
  [[image:1657352403317-397.png]]
--
  === 2.2.7  Use MQTT protocol to uplink data ===
  N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
--* (% style="color:blue" %)**AT+PRO=3   **       (%%)                                        ~/~/Set to use MQTT protocol to uplink
--* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   **   (%%)    ~/~/Set MQTT server address and port
--* (% style="color:blue" %)**AT+CLIENT=CLIENT       **                            (%%)~/~/Set up the CLIENT of MQTT
--* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
--* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
--* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
--* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%)                  ~/~/Set the subscription topic of MQTT
++* (% style="color:blue" %)**AT+PRO=3   **       (%%)                                        ~/~/  Set to use MQTT protocol to uplink
++* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   **   (%%)    ~/~/  Set MQTT server address and port
++* (% style="color:blue" %)**AT+CLIENT=CLIENT       **                            (%%)~/~/  Set up the CLIENT of MQTT
++* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
++* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/   Set the password of MQTT
++* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/   Set the sending topic of MQTT
++* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%)                  ~/~/   Set the subscription topic of MQTT
  [[image:1657352634421-276.png]]
@@ -383,7 +383,6 @@
  )))
--
  === 2.2.8  Use TCP protocol to uplink data ===
@@ -398,7 +398,6 @@
  [[image:1657352914475-252.png]]
--
  === 2.2.9  Change Update Interval ===
@@ -419,7 +419,6 @@
  )))
--
  == 2.3  Uplink Payload ==
@@ -462,13 +462,11 @@
  **By default, the device will send an uplink message every 1 hour.**
--
  )))
  === 2.3.1  Payload Analyze ===
--
  ==== 2.3.1.1  Before Firmware v1.2 ====
@@ -475,11 +475,9 @@
  N95S31B uplink payload includes in total 21 bytes
--(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:760px" %)
--|=(% style="width: 60px;" %)(((
--**Size(bytes)**
--)))|=(% 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**
--|(% 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" %)(((
++(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
++|=(% 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**
++|(% 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" %)(((
  (((
  Reserve/ Same as NBSN95 CFGMOD=1
  )))
@@ -487,7 +487,7 @@
  (((
  No function here.
  )))
--)))|(% style="width:106px" %)(((
++)))|(% style="width:102px" %)(((
  (((
  [[Temperature >>||anchor="H2.3.6A0Temperature26Humidity"]]
  )))
@@ -495,7 +495,7 @@
  (((
  By SHT31
  )))
--)))|(% style="width:85px" %)(((
++)))|(% style="width:81px" %)(((
  (((
  [[Humidity>>||anchor="H2.3.6A0Temperature26Humidity"]]
  )))
@@ -517,24 +517,26 @@
  [[image:1657354294009-643.png]]
--The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
++The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186**
--* Device ID:  0x724031607457 = 724031607457
++**where:**
--* Version:     0x006e=110=1.1.0
++* (% style="color:#037691" %)**Device ID:** (%%) 0x724031607457 = 724031607457
--* BAT:      0x0ccd = 3277 mV = 3.277V
++* (% style="color:#037691" %)**Version: **(%%)    0x006e=110=1.1.0
--* Signal:  0x1b = 27
++* (% style="color:#037691" %)**BAT:**   (%%)   0x0ccd = 3277 mV = 3.277V
--* Model:  0x01 = 1
++* (% style="color:#037691" %)**Signal:** (%%) 0x1b = 27
--* 0x00dc000ccc= reserve, ignore in N95S31B
++* (% style="color:#037691" %)**Model:** (%%) 0x01 = 1
--* Temperature by SHT31:  0x00e1 = 225 = 22.5 °C
++* (% style="color:#037691" %)**0x00dc000ccc= reserve, ignore in N95S31B**
--* Humidity by SHT31:       0x0186 = 390 = 39.0 %rh
++* (% style="color:#037691" %)**Temperature by SHT31:** (%%) 0x00e1 = 225 = 22.5 °C
++* (% style="color:#037691" %)**Humidity by SHT31:**  (%%)     0x0186 = 390 = 39.0 %rh
++
  (((
@@ -550,9 +550,9 @@
  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.
--(% border="2" style="background-color:#ffffcc; color:green; width:1234px" %)
--|(% 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**
--|(% 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 .....
++(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
++|=(% 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**
++|=(% 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 .....
  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data.
@@ -562,35 +562,37 @@
  The payload is ASCII string, representative same HEX:
--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:
++**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__ **
--* (% style="color:red" %)Device ID: f868411056758782 = f868411056758782
++**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__**
--* (% style="color:blue" %)Version: 0x000c=120=1.2
++**where:**
--* (% style="color:green" %)BAT: 0x0d0f = 3343 mV = 3.343V
++* (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782
--* (% style="color:red" %)Singal: 0x0c = 12
++* (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2
--* (% style="color:blue" %)Mod: 0x01 = 1
++* (% style="color:#037691" %)**BAT:**      (%%)0x0d0f = 3343 mV = 3.343V
--* TemDS18B20: 0x0000= 0 = 0
++* (% style="color:#037691" %)**Singal:**(%%)  0x0c = 12
--* (% style="color:green" %)Interrupt: 0x00= 0
++* (% style="color:#037691" %)**Mod:**(%%)    0x01 = 1
--* (% style="color:green" %)adc: 0x0030= 48
++* (% style="color:#037691" %)**TemDS18B20:**(%%)  0x0000= 0 = 0
--* SHTTEM: 0x0114= 276 = 27.6
++* (% style="color:#037691" %)**Interrupt:**  (%%)0x00= 0
--* SHTHUM:0x0231 =561=56.1%
++* (% style="color:#037691" %)**adc:**(%%)  0x0030= 48
--* (% style="color:red" %)Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
++* (% style="color:#037691" %)**SHTTEM:**(%%)    0x0114= 276 = 27.6
--* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12
++* (% style="color:#037691" %)**SHTHUM:**(%%)  0x0231 =561=56.1%
--* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,.......
++* (% style="color:#037691" %)**Time stamp :  **(%%)0x63199d3c =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
++* (% style="color:#037691" %)**SHTTEM,SHTHUM,Time stamp :**(%%)  0113023163199d12
++* (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, .......
  === 2.3.2  Device ID ===
@@ -607,7 +607,7 @@
  )))
  (((
--** (% style="color:blue" %)Example:**
++(% style="color:blue" %)**Example:**
  )))
  (((
@@ -615,7 +615,7 @@
  )))
  (((
--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.
++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.
  )))
@@ -625,15 +625,14 @@
  By default, the Device ID equal to the last 15 bits of IMEI.
--User can use ** (% style="color:blue" %)AT+DEUI**(%%) to set Device ID
++User can use ** (% style="color:blue" %)AT+DEUI(%%)** to set Device ID
--** (% style="color:blue" %)Example:**
++(% style="color:blue" %)**Example:**
  AT+DEUI=868411056754138
--
  === 2.3.3  Version Info ===
@@ -661,7 +661,6 @@
  )))
--
  === 2.3.4  Battery Info ===
@@ -674,7 +674,6 @@
  )))
--
  === 2.3.5  Signal Strength ===
@@ -707,7 +707,6 @@
  )))
--
  === 2.3.6  Temperature & Humidity ===
@@ -726,7 +726,6 @@
  Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
--
  == 2.4  Downlink Payload ==
@@ -779,12 +779,15 @@
  )))
--== 2.5 Humidity and Temperature alarm function ==
++== 2.5  Humidity and Temperature alarm function ==
--➢ AT Command:
--AT+ SHHUM=min,max
++**~ (% style="color:blue" %)➢ AT Command:(%%)**
++
++(% style="color:#037691" %)**AT+ SHHUM=min,max**
++
++
  ² When min=0, and max≠0, Alarm higher than max
  ² When min≠0, and max=0, Alarm lower than min
@@ -791,12 +791,13 @@
  ² When min≠0 and max≠0, Alarm higher than max or lower than min
--Example:
++ (% style="color:blue" %)**Example:**
++
  AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50.
--AT+ SHTEMP=min,max
++(% style="color:#037691" %)**AT+ SHTEMP=min,max**
  ² When min=0, and max≠0, Alarm higher than max
@@ -804,91 +804,46 @@
  ² When min≠0 and max≠0, Alarm higher than max or lower than min
--Example:
++**~ (% style="color:blue" %)Example:(%%)**
++
  AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20.
++
  == 2.6 Set the number of data to be uploaded and the recording time ==
--➢ AT Command:
--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)
++**~ (% style="color:blue" %)➢ AT Command:(%%)**
--AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
++* (% 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)
++* (% 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.
--== 2.7 Read or Clear cached data ==
++ The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
--➢ AT Command:
++[[image:image-20221009001045-1.png||height="726" width="1009"]]
--AT+CDP    ~/~/ Read cached data
--[[image:image-20220908163102-2.png]]
++== 2.7 Read or Clear cached data ==
--AT+CDP=0    ~/~/ Clear cached data
--== 2.8  Battery Analysis ==
++**~ (% style="color:blue" %)➢ AT Command:(%%)**
++* (% style="color:#037691" %)**AT+CDP**  (%%)        ~/~/ Read cached data
++* (% style="color:#037691" %)**AT+CDP=0** (%%)   ~/~/  Clear cached data
--=== 2.8.1  Battery Type ===
++[[image:image-20220908163102-2.png]]
--(((
--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.
--)))
++= 2.8 Battery & Power Consumption =
--(((
--The battery is designed to last for several years depends on the actually use environment and update interval.
--)))
--(((
--The battery related documents as below:
--)))
++N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
--* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
--* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
--* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
++[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
--(((
--[[image:image-20220709101450-2.png]]
--)))
--
--
--=== 2.8.2  Power consumption Analyze ===
--
--
--(((
--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.
--)))
--
--(((
--)))
--
--=== 2.8.3  Battery Note ===
--
--
--(((
--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.
--)))
--
--
--
--=== 2.8.4  Replace the battery ===
--
--
--(((
--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.
--)))
--
--
--(((
--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).
--)))
--
--
--
  = 3.  Access NB-IoT Module =
@@ -905,10 +905,8 @@
  [[image:1657333200519-600.png]]
--
  = 4.  Using the AT Commands =
--
  == 4.1  Access AT Commands ==
@@ -1002,10 +1002,8 @@
  AT+PWORD       : Serial Access Password
--
  = 5.  FAQ =
--
  == 5.1  How to Upgrade Firmware ==
@@ -1026,10 +1026,8 @@
  )))
--
  = 6.  Trouble Shooting =
--
  == 6.1  Connection problem when uploading firmware ==
@@ -1042,7 +1042,6 @@
  )))
--
  == 6.2  AT Command input doesn't work ==
@@ -1052,7 +1052,6 @@
  )))
--
  = 7.  Order Info =
@@ -1059,11 +1059,6 @@
  Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY**
--(% class="wikigeneratedid" %)
--(((
--
--)))
--
  = 8.  Packing Info =
  (((
@@ -1089,7 +1089,6 @@
  (((
--
  )))
@@ -1098,3 +1098,7 @@
  * 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.
  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual

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