Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
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... ... @@ -17,21 +17,35 @@ 17 17 18 18 = 1. Introduction = 19 19 20 + 20 20 == 1.1 What is N95S31B NB-IoT Sensor Node == 21 21 22 22 ((( 23 23 24 24 26 +((( 25 25 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*. 28 +))) 26 26 30 +((( 27 27 The temperature & humidity sensor used in N95S31B is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing **(%%)for long term use. 32 +))) 28 28 34 +((( 29 29 N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement. 36 +))) 30 30 38 +((( 31 31 N95S31B is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report). 40 +))) 32 32 42 +((( 43 + 44 +))) 33 33 46 +((( 34 34 ~* make sure you have NB-IoT coverage locally. 48 +))) 35 35 36 36 37 37 ))) ... ... @@ -42,6 +42,7 @@ 42 42 43 43 == 1.2 Features == 44 44 59 + 45 45 * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD 46 46 * Monitor Temperature & Humidity via SHT31 47 47 * AT Commands to change parameters ... ... @@ -72,7 +72,6 @@ 72 72 73 73 (% style="color:#037691" %)**Battery:** 74 74 75 - 76 76 * Li/SOCI2 un-chargeable battery 77 77 * Capacity: 8500mAh 78 78 * Self Discharge: <1% / Year @ 25°C ... ... @@ -81,6 +81,7 @@ 81 81 82 82 == 1.4 Applications == 83 83 98 + 84 84 * Smart Buildings & Home Automation 85 85 * Logistics and Supply Chain Management 86 86 * Smart Metering ... ... @@ -92,15 +92,20 @@ 92 92 93 93 94 94 95 -== 1.5 Pin Definitions == 96 96 111 +== 1.5 Pin Definitions & Switch == 112 + 113 + 97 97 N95S31B use the mother board from NBSN95 which as below. 98 98 116 + 99 99 [[image:image-20220709144723-1.png]] 100 100 101 101 120 + 102 102 === 1.5.1 Jumper JP2 === 103 103 123 + 104 104 Power on Device when put this jumper. 105 105 106 106 ... ... @@ -107,14 +107,20 @@ 107 107 108 108 === 1.5.2 BOOT MODE / SW1 === 109 109 130 + 131 +((( 110 110 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 +))) 111 111 135 +((( 112 112 2) Flash: work mode, device starts to work and send out console output for further debug 137 +))) 113 113 114 114 115 115 116 116 === 1.5.3 Reset Button === 117 117 143 + 118 118 Press to reboot the device. 119 119 120 120 ... ... @@ -121,6 +121,7 @@ 121 121 122 122 === 1.5.4 LED === 123 123 150 + 124 124 It will flash: 125 125 126 126 1. When boot the device in flash mode ... ... @@ -128,6 +128,7 @@ 128 128 129 129 = 2. Use N95S31B to communicate with IoT Server = 130 130 158 + 131 131 == 2.1 How it works == 132 132 133 133 ... ... @@ -144,7 +144,7 @@ 144 144 145 145 ))) 146 146 147 -[[image:1657 350248151-650.png]]175 +[[image:1657520100595-569.png]] 148 148 149 149 ((( 150 150 ... ... @@ -160,26 +160,49 @@ 160 160 [[image:image-20220709150546-2.png]] 161 161 162 162 191 + 163 163 === 2.2.1 Test Requirement === 164 164 165 165 195 +((( 166 166 To use N95S31B in your city, make sure meet below requirements: 197 +))) 167 167 168 -* Your local operator has already distributed a NB-IoT Network there. 169 -* The local NB-IoT network used the band that N95S31B supports. 170 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 199 +* ((( 200 +Your local operator has already distributed a NB-IoT Network there. 201 +))) 202 +* ((( 203 +The local NB-IoT network used the band that N95S31B supports. 204 +))) 205 +* ((( 206 +Your operator is able to distribute the data received in their NB-IoT network to your IoT server. 207 +))) 171 171 209 +((( 172 172 Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8. 211 +))) 173 173 213 +((( 174 174 N95S31B supports different communication protocol such as : 215 +))) 175 175 176 176 ((( 177 -* CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 178 -* raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 179 -* MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 180 -* TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 218 +* ((( 219 +CoAP ((% style="color:red" %)120.24.4.116:5683(%%)) 220 +))) 221 +* ((( 222 +raw UDP ((% style="color:red" %)120.24.4.116:5601(%%)) 223 +))) 224 +* ((( 225 +MQTT ((% style="color:red" %)120.24.4.116:1883(%%)) 226 +))) 227 +* ((( 228 +TCP ((% style="color:red" %)120.24.4.116:5600(%%)) 229 +))) 181 181 231 +((( 182 182 We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server. 233 +))) 183 183 184 184 185 185 ))) ... ... @@ -190,6 +190,7 @@ 190 190 191 191 === 2.2.3 Insert SIM card === 192 192 244 + 193 193 ((( 194 194 Insert the NB-IoT Card get from your provider. 195 195 ))) ... ... @@ -205,14 +205,18 @@ 205 205 206 206 === 2.2.4 Connect USB – TTL to N95S31B to configure it === 207 207 260 + 208 208 ((( 209 209 ((( 210 210 User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below. 264 + 265 + 211 211 ))) 212 212 ))) 213 213 214 214 [[image:1657351312545-300.png]] 215 215 271 + 216 216 **Connection:** 217 217 218 218 (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND ... ... @@ -236,8 +236,9 @@ 236 236 237 237 [[image:1657329814315-101.png]] 238 238 295 + 239 239 ((( 240 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]297 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]]** 241 241 ))) 242 242 243 243 ... ... @@ -244,9 +244,10 @@ 244 244 245 245 === 2.2.5 Use CoAP protocol to uplink data === 246 246 247 -(% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]] 248 248 305 +(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one: **(%%)**[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]** 249 249 307 + 250 250 ((( 251 251 **Use below commands:** 252 252 ))) ... ... @@ -294,6 +294,7 @@ 294 294 295 295 === 2.2.7 Use MQTT protocol to uplink data === 296 296 355 + 297 297 N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption. 298 298 299 299 * (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink ... ... @@ -309,6 +309,7 @@ 309 309 310 310 [[image:1657352645687-385.png]] 311 311 371 + 312 312 ((( 313 313 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. 314 314 ))) ... ... @@ -322,6 +322,7 @@ 322 322 323 323 === 2.2.8 Use TCP protocol to uplink data === 324 324 385 + 325 325 This feature is supported since firmware version v110 326 326 327 327 * (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink ... ... @@ -336,6 +336,7 @@ 336 336 337 337 === 2.2.9 Change Update Interval === 338 338 400 + 339 339 User can use below command to change the (% style="color:green" %)**uplink interval**. 340 340 341 341 * (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s ... ... @@ -344,36 +344,60 @@ 344 344 345 345 ))) 346 346 409 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 347 347 411 +**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).** 348 348 413 + 349 349 == 2.3 Uplink Payload == 350 350 351 351 352 -NBSN95 has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes. 417 +((( 418 +N95S31B has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes. 419 +))) 353 353 354 354 422 +((( 355 355 For example: 424 +))) 356 356 357 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor. 426 +((( 427 + (% 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. 428 +))) 358 358 359 359 431 +((( 360 360 The uplink payloads are composed in ASCII String. For example: 433 +))) 361 361 435 +((( 362 362 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload: 437 +))) 363 363 439 +((( 364 364 0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes 441 +))) 365 365 366 366 444 +((( 367 367 (% style="color:red" %)**NOTE:** 446 +))) 368 368 369 369 (% style="color:red" %) 370 -1. All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]]. 371 -1. By default, the device will send an uplink message every 1 hour. 449 +1. ((( 450 +**All modes share the same Payload Explanation from [[HERE>>||anchor="H2.3A0UplinkPayload"]].** 451 +))) 452 +1. ((( 453 +**By default, the device will send an uplink message every 1 hour.** 372 372 373 373 374 374 457 + 458 +))) 459 + 375 375 === 2.3.1 Payload Analyze === 376 376 462 + 377 377 N95S31B uplink payload includes in total 21 bytes 378 378 379 379 ... ... @@ -408,6 +408,8 @@ 408 408 ))) 409 409 410 410 ((( 497 + 498 + 411 411 ((( 412 412 If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data. 413 413 ))) ... ... @@ -434,12 +434,41 @@ 434 434 ))) 435 435 436 436 ((( 437 - 525 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 438 438 ))) 439 439 528 +In this mode, uplink payload includes 91 bytes in total by default. 440 440 530 +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 + 532 +|**Size(bytes)**|**8**|2|2|1|1|2|1|2|2|2|4|2|2|4 533 +|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|TemDS18B20|Interrupt|ADC|SHTTEM|SHTHUM|Time stamp |SHTTEM|SHTHUM|Time stamp ..... 534 + 535 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the N95S31B uplink data. 536 + 537 +[[image:image-20220908154949-1.png]] 538 + 539 +The payload is ASCII string, representative same HEX: 540 + 541 +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: 542 + 543 +* (% style="color:red" %) Device ID: f868411056758782 = f868411056758782 544 +* (% style="color:blue" %) Version: 0x000c=120=1.2 545 +* (% style="color:green" %) BAT: 0x0d0f = 3343 mV = 3.343V 546 +* (% style="color:red" %) Singal: 0x0c = 12 547 +* (% style="color:blue" %) Mod: 0x01 = 1 548 +* TemDS18B20: 0x0000= 0 = 0 549 +* (% style="color:green" %)Interrupt: 0x00= 0 550 +* (% style="color:green" %)adc: 0x0030= 48 551 +* SHTTEM: 0x0114= 276 = 27.6 552 +* SHTHUM:0x0231 =561=56.1% 553 +* (% style="color:red" %) Time stamp : 0x6315537b =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 554 +* (% style="color:red" %)SHTTEM,SHTHUM,Time stamp : 0113023163199d12 555 +* 8 sets of recorded data: SHTTEM,SHTHUM,Time stamp : //**0113023163199c5e**//,....... 556 + 441 441 === 2.3.2 Device ID === 442 442 559 + 443 443 ((( 444 444 By default, the Device ID equal to the last 6 bytes of IMEI. 445 445 ))) ... ... @@ -458,21 +458,44 @@ 458 458 459 459 ((( 460 460 The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID. 578 + 579 + 461 461 ))) 462 462 582 +(% style="color:red" %)**NOTE:When the firmware version is v1.2 and later firmware:** 463 463 464 464 585 +By default, the Device ID equal to the last 15 bits of IMEI. 586 + 587 +User can use **AT+DEUI** to set Device ID 588 + 589 +**Example:** 590 + 591 +AT+DEUI=868411056754138 592 + 593 + 465 465 === 2.3.3 Version Info === 466 466 467 467 597 +((( 468 468 These bytes include the hardware and software version. 599 +))) 469 469 601 +((( 470 470 Higher byte: Specify hardware version: always 0x00 for N95S31B 603 +))) 471 471 605 +((( 472 472 Lower byte: Specify the software version: 0x6E=110, means firmware version 110 607 +))) 473 473 609 +((( 610 + 611 +))) 474 474 613 +((( 475 475 For example: 0x00 6E: this device is N95S31B with firmware version 110. 615 +))) 476 476 477 477 ((( 478 478 ... ... @@ -481,6 +481,7 @@ 481 481 482 482 === 2.3.4 Battery Info === 483 483 624 + 484 484 ((( 485 485 Ex1: 0x0B45 = 2885mV 486 486 ))) ... ... @@ -493,6 +493,7 @@ 493 493 494 494 === 2.3.5 Signal Strength === 495 495 637 + 496 496 ((( 497 497 NB-IoT Network signal Strength. 498 498 ))) ... ... @@ -525,6 +525,7 @@ 525 525 526 526 === 2.3.6 Temperature & Humidity === 527 527 670 + 528 528 The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server. 529 529 530 530 [[image:image-20220709161741-3.png]] ... ... @@ -543,8 +543,9 @@ 543 543 544 544 == 2.4 Downlink Payload == 545 545 546 -By default, NDDS75 prints the downlink payload to console port. 547 547 690 +By default, N95S31B prints the downlink payload to console port. 691 + 548 548 [[image:image-20220709100028-1.png]] 549 549 550 550 ... ... @@ -581,7 +581,7 @@ 581 581 ))) 582 582 583 583 ((( 584 -If payload = 0x04FF, it will reset the DDS75728 +If payload = 0x04FF, it will reset the N95S31B 585 585 ))) 586 586 587 587 ... ... @@ -592,12 +592,59 @@ 592 592 ))) 593 593 594 594 739 +== 2.5 Humidity and Temperature alarm function == 595 595 596 - ==2.5Battery Analysis ==741 +➢ AT Command: 597 597 598 - === 2.5.1 BatteryType===743 +AT+ SHHUM=min,max 599 599 745 +² When min=0, and max≠0, Alarm higher than max 600 600 747 +² When min≠0, and max=0, Alarm lower than min 748 + 749 +² When min≠0 and max≠0, Alarm higher than max or lower than min 750 + 751 +Example: 752 + 753 +AT+ SHHUM=50,80 ~/~/ Alarm when humidity lower than 50. 754 + 755 + 756 +AT+ SHTEMP=min,max 757 + 758 +² When min=0, and max≠0, Alarm higher than max 759 + 760 +² When min≠0, and max=0, Alarm lower than min 761 + 762 +² When min≠0 and max≠0, Alarm higher than max or lower than min 763 + 764 +Example: 765 + 766 +AT+ SHTEMP=20,30 ~/~/ Alarm when temperature lower than 20. 767 + 768 +== 2.6 Set the number of data to be uploaded and the recording time == 769 + 770 +➢ AT Command: 771 + 772 +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) 773 + 774 +AT+NOUD=8 ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded. 775 + 776 +== 2.7 Read or Clear cached data == 777 + 778 +➢ AT Command: 779 + 780 +AT+CDP ~/~/ Read cached data 781 + 782 +[[image:image-20220908163102-2.png]] 783 + 784 +AT+CDP=0 ~/~/ Clear cached data 785 + 786 +== 2.8 Battery Analysis == 787 + 788 + 789 +=== 2.8.1 Battery Type === 790 + 791 + 601 601 ((( 602 602 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. 603 603 ))) ... ... @@ -620,10 +620,11 @@ 620 620 621 621 622 622 623 -=== 2. 5.2 Power consumption Analyze ===814 +=== 2.8.2 Power consumption Analyze === 624 624 816 + 625 625 ((( 626 -The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]818 +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. 627 627 ))) 628 628 629 629 ((( ... ... @@ -631,8 +631,9 @@ 631 631 ))) 632 632 633 633 634 -=== 2. 5.3 Battery Note ===826 +=== 2.8.3 Battery Note === 635 635 828 + 636 636 ((( 637 637 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. 638 638 ))) ... ... @@ -639,7 +639,7 @@ 639 639 640 640 641 641 642 -=== 2. 5.4 Replace the battery ===835 +=== 2.8.4 Replace the battery === 643 643 644 644 645 645 ((( ... ... @@ -655,6 +655,7 @@ 655 655 656 656 = 3. Access NB-IoT Module = 657 657 851 + 658 658 ((( 659 659 Users can directly access the AT command set of the NB-IoT module. 660 660 ))) ... ... @@ -661,6 +661,8 @@ 661 661 662 662 ((( 663 663 The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 858 + 859 + 664 664 ))) 665 665 666 666 [[image:1657333200519-600.png]] ... ... @@ -669,11 +669,13 @@ 669 669 670 670 = 4. Using the AT Commands = 671 671 868 + 672 672 == 4.1 Access AT Commands == 673 673 674 -See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN95/]] 675 675 872 +See NBSN95 AT Command in this link for detail: [[https:~~/~~/www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0>>https://www.dropbox.com/sh/jao1xt9kw5r3yq4/AAAMpJkZzExF2JLbRWxGoQ9Na?dl=0]] 676 676 874 + 677 677 AT+<CMD>? : Help on <CMD> 678 678 679 679 AT+<CMD> : Run <CMD> ... ... @@ -713,7 +713,24 @@ 713 713 714 714 AT+SERVADDR : Server Address 715 715 914 +AT+TR : Get or Set record time 716 716 916 +AT+APN : Get or set the APN 917 + 918 +AT+FBAND : Get or Set whether to automatically modify the frequency band 919 + 920 +AT+DNSCFG : Get or Set DNS Server 921 + 922 +AT+GETSENSORVALUE : Returns the current sensor measurement 923 + 924 +AT+NOUD : Get or Set the number of data to be uploaded 925 + 926 +AT+CDP : Read or Clear cached data 927 + 928 +AT+SHTEMP: Get or Set alarm of temp 929 + 930 +AT+SHHUM: Get or Set alarm of moisture 931 + 717 717 (% style="color:#037691" %)**COAP Management** 718 718 719 719 AT+URI : Resource parameters ... ... @@ -747,6 +747,7 @@ 747 747 748 748 = 5. FAQ = 749 749 965 + 750 750 == 5.1 How to Upgrade Firmware == 751 751 752 752 ... ... @@ -761,13 +761,16 @@ 761 761 ((( 762 762 763 763 764 -(% style="color:red" %)Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update. 980 +((( 981 +(% style="color:red" %)**Notice, N95S31B and LSN50v2 share the same mother board. They use the same connection and method to update.** 765 765 ))) 983 +))) 766 766 767 767 768 768 769 769 = 6. Trouble Shooting = 770 770 989 + 771 771 == 6.1 Connection problem when uploading firmware == 772 772 773 773 ... ... @@ -783,6 +783,7 @@ 783 783 784 784 == 6.2 AT Command input doesn't work == 785 785 1005 + 786 786 ((( 787 787 In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 788 788 ... ... @@ -832,5 +832,7 @@ 832 832 833 833 = 9. Support = 834 834 1055 + 835 835 * 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. 836 836 * 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]] 1058 +
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