Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -17,11 +17,8 @@ 17 17 18 18 = 1. Introduction = 19 19 20 - 21 21 == 1.1 What is N95S31B NB-IoT Sensor Node == 22 22 23 -((( 24 - 25 25 26 26 ((( 27 27 The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*. ... ... @@ -40,20 +40,13 @@ 40 40 ))) 41 41 42 42 ((( 43 - 44 -))) 45 - 46 -((( 47 47 ~* make sure you have NB-IoT coverage locally. 48 48 ))) 49 49 50 - 51 -))) 52 52 53 53 [[image:1657348284168-431.png]] 54 54 55 55 56 - 57 57 == 1.2 Features == 58 58 59 59 ... ... @@ -68,8 +68,6 @@ 68 68 * Micro SIM card slot for NB-IoT SIM 69 69 * 8500mAh Battery for long term use 70 70 71 - 72 - 73 73 == 1.3 Specification == 74 74 75 75 ... ... @@ -80,12 +80,12 @@ 80 80 81 81 (% style="color:#037691" %)**NB-IoT Spec:** 82 82 83 -* -B1 @H-FDD: 2100MHz84 -* -B3 @H-FDD: 1800MHz85 -* -B8 @H-FDD: 900MHz86 -* -B5 @H-FDD: 850MHz87 -* -B20 @H-FDD: 800MHz88 -* -B28 @H-FDD: 700MHz71 +* B1 @H-FDD: 2100MHz 72 +* B3 @H-FDD: 1800MHz 73 +* B8 @H-FDD: 900MHz 74 +* B5 @H-FDD: 850MHz 75 +* B20 @H-FDD: 800MHz 76 +* B28 @H-FDD: 700MHz 89 89 90 90 (% style="color:#037691" %)**Battery:** 91 91 ... ... @@ -95,8 +95,6 @@ 95 95 * Max continuously current: 130mA 96 96 * Max boost current: 2A, 1 second 97 97 98 - 99 - 100 100 == 1.4 Applications == 101 101 102 102 ... ... @@ -111,7 +111,6 @@ 111 111 112 112 113 113 114 - 115 115 == 1.5 Pin Definitions & Switch == 116 116 117 117 ... ... @@ -121,7 +121,6 @@ 121 121 [[image:image-20220709144723-1.png]] 122 122 123 123 124 - 125 125 === 1.5.1 Jumper JP2 === 126 126 127 127 ... ... @@ -128,20 +128,18 @@ 128 128 Power on Device when put this jumper. 129 129 130 130 131 - 132 132 === 1.5.2 BOOT MODE / SW1 === 133 133 134 134 135 135 ((( 136 -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. 119 +**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. 137 137 ))) 138 138 139 139 ((( 140 -2) Flash: work mode, device starts to work and send out console output for further debug 123 +**2) Flash:** work mode, device starts to work and send out console output for further debug 141 141 ))) 142 142 143 143 144 - 145 145 === 1.5.3 Reset Button === 146 146 147 147 ... ... @@ -148,20 +148,18 @@ 148 148 Press to reboot the device. 149 149 150 150 151 - 152 152 === 1.5.4 LED === 153 153 154 154 155 155 It will flash: 156 156 157 -1. When boot the device in flash mode 158 -1. Send an uplink packet 138 +1. When boot the device in flash mode 159 159 140 +2. Send an uplink packet 160 160 161 161 162 162 = 2. Use N95S31B to communicate with IoT Server = 163 163 164 - 165 165 == 2.1 How it works == 166 166 167 167 ... ... @@ -184,10 +184,8 @@ 184 184 185 185 ))) 186 186 187 - 188 188 == 2.2 Configure the N95S31B == 189 189 190 - 191 191 === 2.2.1 Power On N95S31B === 192 192 193 193 ... ... @@ -194,10 +194,9 @@ 194 194 [[image:image-20220709150546-2.png]] 195 195 196 196 175 +=== 2.2.2 Test Requirement === 197 197 198 -=== 2.2.1 Test Requirement === 199 199 200 - 201 201 ((( 202 202 To use N95S31B in your city, make sure meet below requirements: 203 203 ))) ... ... @@ -244,7 +244,6 @@ 244 244 [[image:1657350625843-586.png]] 245 245 246 246 247 - 248 248 === 2.2.3 Insert SIM card === 249 249 250 250 ... ... @@ -260,7 +260,6 @@ 260 260 [[image:1657351240556-536.png]] 261 261 262 262 263 - 264 264 === 2.2.4 Connect USB – TTL to N95S31B to configure it === 265 265 266 266 ... ... @@ -275,13 +275,13 @@ 275 275 [[image:1657351312545-300.png]] 276 276 277 277 278 -**Connection:** 253 +(% style="color:blue" %)**Connection:** 279 279 280 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND 255 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND** 281 281 282 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD 257 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)** 283 283 284 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD 259 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)** 285 285 286 286 287 287 In the PC, use below serial tool settings: ... ... @@ -304,7 +304,6 @@ 304 304 ))) 305 305 306 306 307 - 308 308 === 2.2.5 Use CoAP protocol to uplink data === 309 309 310 310 ... ... @@ -341,7 +341,6 @@ 341 341 [[image:1657352185396-303.png]] 342 342 343 343 344 - 345 345 === 2.2.6 Use UDP protocol to uplink data(Default protocol) === 346 346 347 347 ... ... @@ -355,19 +355,18 @@ 355 355 [[image:1657352403317-397.png]] 356 356 357 357 358 - 359 359 === 2.2.7 Use MQTT protocol to uplink data === 360 360 361 361 362 362 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 363 363 364 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 365 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 366 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 367 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 368 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 369 -* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/Set the sending topic of MQTT 370 -* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/Set the subscription topic of MQTT 336 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/ Set to use MQTT protocol to uplink 337 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/ Set MQTT server address and port 338 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/ Set up the CLIENT of MQTT 339 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/ Set the username of MQTT 340 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/ Set the password of MQTT 341 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527 **(%%)~/~/ Set the sending topic of MQTT 342 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527 **(%%) ~/~/ Set the subscription topic of MQTT 371 371 372 372 [[image:1657352634421-276.png]] 373 373 ... ... @@ -379,13 +379,11 @@ 379 379 To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period. 380 380 ))) 381 381 382 - 383 383 ((( 384 384 MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval. 385 385 ))) 386 386 387 387 388 - 389 389 === 2.2.8 Use TCP protocol to uplink data === 390 390 391 391 ... ... @@ -400,7 +400,6 @@ 400 400 [[image:1657352914475-252.png]] 401 401 402 402 403 - 404 404 === 2.2.9 Change Update Interval === 405 405 406 406 ... ... @@ -421,7 +421,6 @@ 421 421 ))) 422 422 423 423 424 - 425 425 == 2.3 Uplink Payload == 426 426 427 427 ... ... @@ -435,7 +435,7 @@ 435 435 ))) 436 436 437 437 ((( 438 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 406 + (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/ will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 439 439 ))) 440 440 441 441 ... ... @@ -464,13 +464,11 @@ 464 464 **By default, the device will send an uplink message every 1 hour.** 465 465 466 466 467 - 468 468 469 469 ))) 470 470 471 471 === 2.3.1 Payload Analyze === 472 472 473 - 474 474 ==== 2.3.1.1 Before Firmware v1.2 ==== 475 475 476 476 ... ... @@ -477,10 +477,8 @@ 477 477 N95S31B uplink payload includes in total 21 bytes 478 478 479 479 480 -(% border="2" cellspacing="10" style="background-color:#ffffcc; color:green; width:745px" %) 481 -|=(% style="width: 60px;" %)((( 482 -**Size(bytes)** 483 -)))|=(% style="width: 65px;" %)**6**|=(% style="width: 50px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 75px;" %)**1**|=(% style="width: 59px;" %)1|=(% style="width: 162px;" %)5|=(% style="width: 102px;" %)**2**|=(% style="width: 81px;" %)**2** 446 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 447 +|=(% style="width: 50px;background-color:#D9E2F3" %)**Size(bytes)**|=(% style="width: 45px;background-color:#D9E2F3" %)**6**|=(% style="width: 25px;background-color:#D9E2F3" %)2|=(% style="width: 25px;background-color:#D9E2F3" %)**2**|=(% style="width: 65px;background-color:#D9E2F3" %)**1**|=(% style="width: 50px;background-color:#D9E2F3" %)1|=(% style="width: 120px;background-color:#D9E2F3" %)5|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2** 484 484 |(% 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" %)((( 485 485 ((( 486 486 Reserve/ Same as NBSN95 CFGMOD=1 ... ... @@ -519,7 +519,7 @@ 519 519 [[image:1657354294009-643.png]] 520 520 521 521 522 -The payload is ASCII string, representative same HEX: **0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186** 486 +The payload is ASCII string, representative same HEX: (% style="background-color:yellow" %)**0x724031607457 006e 0ccd 1b 01 00dc000ccc 00e1 0186** 523 523 524 524 **where:** 525 525 ... ... @@ -542,7 +542,6 @@ 542 542 ((( 543 543 544 544 545 - 546 546 547 547 ))) 548 548 ... ... @@ -554,9 +554,9 @@ 554 554 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. 555 555 556 556 557 -(% border=" 2" style="background-color:#ffffcc;color:green;width:1234px" %)558 -|(% 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**559 -|(% 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 ..... 520 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 521 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**8**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:55px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:35px" %)**4** 522 +|=(% 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 ..... 560 560 561 561 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data. 562 562 ... ... @@ -566,8 +566,10 @@ 566 566 567 567 The payload is ASCII string, representative same HEX: 568 568 569 -**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__ __0112023b631998f3__////__011202426319983f__ __01110242631996eb__**532 +**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__ ** 570 570 534 +**__0112023b631998f3__// //__011202426319983f__ __01110242631996eb__** 535 + 571 571 **where:** 572 572 573 573 * (% style="color:#037691" %)**Device ID:**(%%) f868411056758782 = f868411056758782 ... ... @@ -574,7 +574,7 @@ 574 574 575 575 * (% style="color:#037691" %)**Version:** (%%)0x000c=120=1.2 576 576 577 -* (% style="color:#037691" %)**BAT:** 542 +* (% style="color:#037691" %)**BAT:** (%%)0x0d0f = 3343 mV = 3.343V 578 578 579 579 * (% style="color:#037691" %)**Singal:**(%%) 0x0c = 12 580 580 ... ... @@ -596,9 +596,6 @@ 596 596 597 597 * (% style="color:#037691" %)**8 sets of recorded data:**(%%)** **SHTTEM,SHTHUM,Time stamp : 0113023163199c5e, ....... 598 598 599 - 600 - 601 - 602 602 === 2.3.2 Device ID === 603 603 604 604 ... ... @@ -639,7 +639,6 @@ 639 639 AT+DEUI=868411056754138 640 640 641 641 642 - 643 643 === 2.3.3 Version Info === 644 644 645 645 ... ... @@ -648,11 +648,11 @@ 648 648 ))) 649 649 650 650 ((( 651 -Higher byte: Specify hardware version: always 0x00 for N95S31B 612 +**Higher byte:** Specify hardware version: always 0x00 for N95S31B 652 652 ))) 653 653 654 654 ((( 655 -Lower byte: Specify the software version: 0x6E=110, means firmware version 110 616 +**Lower byte:** Specify the software version: 0x6E=110, means firmware version 110 656 656 ))) 657 657 658 658 ((( ... ... @@ -667,7 +667,6 @@ 667 667 668 668 ))) 669 669 670 - 671 671 === 2.3.4 Battery Info === 672 672 673 673 ... ... @@ -680,7 +680,6 @@ 680 680 ))) 681 681 682 682 683 - 684 684 === 2.3.5 Signal Strength === 685 685 686 686 ... ... @@ -713,7 +713,6 @@ 713 713 ))) 714 714 715 715 716 - 717 717 === 2.3.6 Temperature & Humidity === 718 718 719 719 ... ... @@ -732,12 +732,17 @@ 732 732 Humidity: Read:0295(H)=661(D) Value: 661 / 10=66.1, So 66.1% 733 733 734 734 735 - 736 736 == 2.4 Downlink Payload == 737 737 738 738 739 739 By default, N95S31B prints the downlink payload to console port. 740 740 698 +(% border="1" style="background-color:#f2f2f2; width:520px" %) 699 +|(% style="background-color:#d9e2f3; color:#0070c0; width:210px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:210px" %)**Downlink payload size(bytes)** 700 +|(% style="width:82px" %)TDC(Transmit Time Interval)|(% style="width:43px" %)Any|(% style="width:47px" %)01|(% style="width:124px" %)4 701 +|(% style="width:82px" %)RESET|(% style="width:43px" %)Any|(% style="width:47px" %)04|(% style="width:124px" %)2 702 +|(% style="width:82px" %)INTMOD|(% style="width:43px" %)Any|(% style="width:47px" %)06|(% style="width:124px" %)4 703 + 741 741 [[image:image-20220709100028-1.png]] 742 742 743 743 ... ... @@ -785,7 +785,6 @@ 785 785 ))) 786 786 787 787 788 - 789 789 == 2.5 Humidity and Temperature alarm function == 790 790 791 791 ... ... @@ -821,7 +821,6 @@ 821 821 AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20. 822 822 823 823 824 - 825 825 == 2.6 Set the number of data to be uploaded and the recording time == 826 826 827 827 ... ... @@ -835,7 +835,6 @@ 835 835 [[image:image-20221009001045-1.png||height="726" width="1009"]] 836 836 837 837 838 - 839 839 == 2.7 Read or Clear cached data == 840 840 841 841 ... ... @@ -847,70 +847,14 @@ 847 847 [[image:image-20220908163102-2.png]] 848 848 849 849 810 +== 2.8 Battery & Power Consumption == 850 850 851 -== 2.8 Battery Analysis == 852 852 813 +N95S31B uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 853 853 854 - === 2.8.1 BatteryType===815 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 855 855 856 856 857 -((( 858 -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. 859 -))) 860 - 861 -((( 862 -The battery is designed to last for several years depends on the actually use environment and update interval. 863 -))) 864 - 865 -((( 866 -The battery related documents as below: 867 -))) 868 - 869 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 870 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 871 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 872 - 873 -((( 874 -[[image:image-20220709101450-2.png]] 875 -))) 876 - 877 - 878 - 879 -=== 2.8.2 Power consumption Analyze === 880 - 881 - 882 -((( 883 -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. 884 -))) 885 - 886 -((( 887 - 888 -))) 889 - 890 - 891 -=== 2.8.3 Battery Note === 892 - 893 - 894 -((( 895 -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. 896 -))) 897 - 898 - 899 - 900 -=== 2.8.4 Replace the battery === 901 - 902 - 903 -((( 904 -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. 905 -))) 906 - 907 - 908 -((( 909 -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). 910 -))) 911 - 912 - 913 - 914 914 = 3. Access NB-IoT Module = 915 915 916 916 ... ... @@ -927,10 +927,8 @@ 927 927 [[image:1657333200519-600.png]] 928 928 929 929 930 - 931 931 = 4. Using the AT Commands = 932 932 933 - 934 934 == 4.1 Access AT Commands == 935 935 936 936 ... ... @@ -1024,10 +1024,8 @@ 1024 1024 AT+PWORD : Serial Access Password 1025 1025 1026 1026 1027 - 1028 1028 = 5. FAQ = 1029 1029 1030 - 1031 1031 == 5.1 How to Upgrade Firmware == 1032 1032 1033 1033 ... ... @@ -1040,18 +1040,14 @@ 1040 1040 ))) 1041 1041 1042 1042 ((( 1043 - 943 +Firmware Download:[[https:~~/~~/www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0>>https://www.dropbox.com/sh/fr8w23rb951512i/AACSJeGQg-7ZjKhAI_Sn57H6a?dl=0]] 1044 1044 1045 -((( 1046 1046 (% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 1047 1047 ))) 1048 -))) 1049 1049 1050 1050 1051 - 1052 1052 = 6. Trouble Shooting = 1053 1053 1054 - 1055 1055 == 6.1 Connection problem when uploading firmware == 1056 1056 1057 1057 ... ... @@ -1059,12 +1059,7 @@ 1059 1059 **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]] 1060 1060 ))) 1061 1061 1062 -(% class="wikigeneratedid" %) 1063 -((( 1064 - 1065 -))) 1066 1066 1067 - 1068 1068 == 6.2 AT Command input doesn't work == 1069 1069 1070 1070 ... ... @@ -1074,7 +1074,12 @@ 1074 1074 1075 1075 ))) 1076 1076 968 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". == 1077 1077 970 + 971 +This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**. 972 + 973 + 1078 1078 = 7. Order Info = 1079 1079 1080 1080 ... ... @@ -1081,11 +1081,6 @@ 1081 1081 Part Number**:** (% style="color:#4f81bd" %)**N95S31B-YY** 1082 1082 1083 1083 1084 -(% class="wikigeneratedid" %) 1085 -((( 1086 - 1087 -))) 1088 - 1089 1089 = 8. Packing Info = 1090 1090 1091 1091 ((( ... ... @@ -1108,15 +1108,13 @@ 1108 1108 * Weight / pcs : 180g 1109 1109 ))) 1110 1110 1111 -((( 1112 - 1113 1113 1114 1114 1115 - 1116 -))) 1117 - 1118 1118 = 9. Support = 1119 1119 1120 1120 1121 1121 * 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. 1008 + 1122 1122 * 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]] 1010 + 1011 +