Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
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... ... @@ -16,6 +16,7 @@ 16 16 17 17 = 1. Introduction = 18 18 19 + 19 19 == 1.1 What is NDDS75 Distance Detection Sensor == 20 20 21 21 ((( ... ... @@ -118,6 +118,8 @@ 118 118 119 119 120 120 122 + 123 + 121 121 == 1.5 Pin Definitions == 122 122 123 123 ... ... @@ -127,6 +127,7 @@ 127 127 128 128 = 2. Use NDDS75 to communicate with IoT Server = 129 129 133 + 130 130 == 2.1 How it works == 131 131 132 132 ... ... @@ -200,15 +200,16 @@ 200 200 201 201 [[image:image-20220709092052-2.png]] 202 202 203 -**Connection:** 204 204 205 - background-color:yellow" %)USB TTL GND <~-~-~-~-> GND208 +(% style="color:blue" %)**Connection:** 206 206 207 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~->UART_RXD210 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND** 208 208 209 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD212 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)** 210 210 214 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)** 211 211 216 + 212 212 In the PC, use below serial tool settings: 213 213 214 214 * Baud: (% style="color:green" %)**9600** ... ... @@ -223,8 +223,9 @@ 223 223 224 224 [[image:1657329814315-101.png]] 225 225 231 + 226 226 ((( 227 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]233 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]** 228 228 ))) 229 229 230 230 ... ... @@ -243,21 +243,29 @@ 243 243 (% style="color:blue" %)**AT+PRO=1** (%%) ~/~/ Set to use CoAP protocol to uplink 244 244 ))) 245 245 * ((( 246 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 252 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683 ** (%%)~/~/ to set CoAP server address and port 247 247 ))) 248 248 * ((( 249 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path 255 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/ Set COAP resource path 256 + 257 + 258 + 250 250 ))) 251 251 252 252 ((( 253 253 For parameter description, please refer to AT command set 263 + 264 + 254 254 ))) 255 255 256 256 [[image:1657330452568-615.png]] 257 257 258 258 270 + 259 259 ((( 260 260 After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server. 273 + 274 + 261 261 ))) 262 262 263 263 [[image:1657330472797-498.png]] ... ... @@ -267,10 +267,12 @@ 267 267 === 2.2.5 Use UDP protocol to uplink data(Default protocol) === 268 268 269 269 270 -* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 271 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 272 -* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 284 +* (% style="color:blue" %)**AT+PRO=2 ** (%%) ~/~/ Set to use UDP protocol to uplink 285 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601 ** (%%) ~/~/ to set UDP server address and port 286 +* (% style="color:blue" %)**AT+CFM=1 ** (%%) ~/~/ If the server does not respond, this command is unnecessary 273 273 288 + 289 + 274 274 [[image:1657330501006-241.png]] 275 275 276 276 ... ... @@ -281,13 +281,13 @@ 281 281 === 2.2.6 Use MQTT protocol to uplink data === 282 282 283 283 284 -* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/Set to use MQTT protocol to uplink 285 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/Set MQTT server address and port 286 -* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/Set up the CLIENT of MQTT 287 -* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/Set the username of MQTT 288 -* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/Set the password of MQTT 289 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB **(%%)~/~/Set the sending topic of MQTT 290 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB **(%%) ~/~/Set the subscription topic of MQTT 300 +* (% style="color:blue" %)**AT+PRO=3 ** (%%) ~/~/ Set to use MQTT protocol to uplink 301 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883 ** (%%) ~/~/ Set MQTT server address and port 302 +* (% style="color:blue" %)**AT+CLIENT=CLIENT ** (%%)~/~/ Set up the CLIENT of MQTT 303 +* (% style="color:blue" %)**AT+UNAME=UNAME **(%%)~/~/ Set the username of MQTT 304 +* (% style="color:blue" %)**AT+PWD=PWD **(%%)~/~/ Set the password of MQTT 305 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB **(%%)~/~/ Set the sending topic of MQTT 306 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB **(%%) ~/~/ Set the subscription topic of MQTT 291 291 292 292 [[image:1657249978444-674.png]] 293 293 ... ... @@ -304,8 +304,8 @@ 304 304 === 2.2.7 Use TCP protocol to uplink data === 305 305 306 306 307 -* (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 308 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 323 +* (% style="color:blue" %)**AT+PRO=4 ** (%%) ~/~/ Set to use TCP protocol to uplink 324 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600 **(%%) ~/~/ to set TCP server address and port 309 309 310 310 [[image:image-20220709093918-1.png]] 311 311 ... ... @@ -319,24 +319,31 @@ 319 319 320 320 User can use below command to change the (% style="color:green" %)**uplink interval**. 321 321 322 -* (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 338 +* (% style="color:blue" %)**AT+TDC=600 ** (%%)~/~/ Set Update Interval to 600s 323 323 324 324 ((( 341 + 342 + 343 + 325 325 (% style="color:red" %)**NOTE:** 326 -))) 327 327 328 -((( 329 329 (% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.** 347 + 348 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:** 330 330 ))) 331 331 351 +(% style="color:red" %)**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).** 332 332 333 333 354 + 334 334 == 2.3 Uplink Payload == 335 335 336 336 337 - Inthismode,uplink payload includesin total14bytes358 +=== 2.3.1 Before Firmware v1.3.2 === 338 338 339 339 361 +In this mode, uplink payload includes in total 14 bytes 362 + 340 340 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %) 341 341 |=(% style="width: 60px;" %)((( 342 342 **Size(bytes)** ... ... @@ -350,8 +350,9 @@ 350 350 351 351 [[image:1657331036973-987.png]] 352 352 376 + 353 353 ((( 354 -The payload is ASCII string, representative same HEX: 378 +The payload is **ASCII** string, representative same HEX: 355 355 ))) 356 356 357 357 ((( ... ... @@ -362,11 +362,11 @@ 362 362 Device ID: 0x724031556159 = 724031556159 363 363 ))) 364 364 * ((( 365 -Version: 0x0064=100=1.0.0 389 +Version: 0x0064=100=1.0.0 366 366 ))) 367 367 368 368 * ((( 369 -BAT: 0x0c6c = 3180 mV = 3.180V 393 +BAT: 0x0c6c = 3180 mV = 3.180V 370 370 ))) 371 371 * ((( 372 372 Signal: 0x19 = 25 ... ... @@ -379,9 +379,43 @@ 379 379 380 380 381 381 406 + 382 382 383 383 ))) 384 384 410 +=== **2.3.2 Since firmware v1.3.2** === 411 + 412 + 413 +In this mode, uplink payload includes 69 bytes in total by default. 414 + 415 +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. 416 + 417 +(% border="2" style="background-color:#ffffcc; color:green; width:896px" %) 418 +|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4 419 +|(% style="width:95px" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp....... 420 + 421 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data. 422 + 423 +[[image:image-20220908175246-1.png]] 424 + 425 + 426 +The payload is ASCII string, representative same HEX: 427 + 428 +0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where: 429 + 430 +* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317 431 +* (% style="color:red" %)Version: 0x0084=132=1.3.2 432 +* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V 433 +* (% style="color:blue" %)Singal: 0x1e = 30 434 +* (% style="color:red" %)Mod: 0x01 = 1 435 +* Interrupt: 0x00= 0 436 +* Distance: 0x0039= 57 = 57 437 +* Time stamp : 0x6315537b =1662342011 ([[Unix Epoch Time>>url:http://www.epochconverter.com/]]) 438 +* Distance,Time stamp : 00396319baf0 439 +* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,....... 440 + 441 + 442 + 385 385 == 2.4 Payload Explanation and Sensor Interface == 386 386 387 387 ... ... @@ -394,10 +394,12 @@ 394 394 395 395 ((( 396 396 User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID 455 + 456 + 397 397 ))) 398 398 399 399 ((( 400 -**Example:** 460 +(% style="color:blue" %)**Example :** 401 401 ))) 402 402 403 403 ((( ... ... @@ -405,11 +405,23 @@ 405 405 ))) 406 406 407 407 ((( 408 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID. 468 +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. 409 409 ))) 410 410 411 411 472 +(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:** 412 412 474 +(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.** 475 + 476 +User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID 477 + 478 + 479 +(% style="color:blue" %)**Example :** 480 + 481 +AT+DEUI=868411056754138 482 + 483 + 484 + 413 413 === 2.4.2 Version Info === 414 414 415 415 ... ... @@ -504,7 +504,7 @@ 504 504 ))) 505 505 506 506 ((( 507 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.** 579 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/ (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.** 508 508 ))) 509 509 510 510 ... ... @@ -537,10 +537,14 @@ 537 537 538 538 ((( 539 539 The 5V output time can be controlled by AT Command. 612 + 613 + 540 540 ))) 541 541 542 542 ((( 543 543 (% style="color:blue" %)**AT+5VT=1000** 618 + 619 + 544 544 ))) 545 545 546 546 ((( ... ... @@ -602,9 +602,52 @@ 602 602 603 603 604 604 605 -== 2.6 LEDIndicator ==681 +== 2.6 Distance alarm function(Since firmware v1.3.2) == 606 606 607 607 684 +(% style="color:blue" %)** ➢ AT Command:** 685 + 686 +(% style="color:#037691" %)** AT+ LDDSALARM=min,max** 687 + 688 +² When min=0, and max≠0, Alarm higher than max 689 + 690 +² When min≠0, and max=0, Alarm lower than min 691 + 692 +² When min≠0 and max≠0, Alarm higher than max or lower than min 693 + 694 + 695 +(% style="color:blue" %)** Example:** 696 + 697 +**AT+ LDDSALARM=260,2000** ~/~/ Alarm when distance lower than 260. 698 + 699 + 700 + 701 +== 2.7 Set the number of data to be uploaded and the recording time == 702 + 703 + 704 +(% style="color:blue" %)** ➢ AT Command:** 705 + 706 +* (% 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) 707 +* (% 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. 708 + 709 + 710 + 711 + 712 +== 2.8 Read or Clear cached data == 713 + 714 + 715 +(% style="color:blue" %)** ➢ AT Command:** 716 + 717 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data 718 +* (% style="color:#037691" %)** AT+CDP=0** (%%) ~/~/ Clear cached data 719 + 720 +[[image:image-20220908175333-2.png]] 721 + 722 + 723 + 724 +== 2.9 LED Indicator == 725 + 726 + 608 608 The NDDS75 has an internal LED which is to show the status of different state. 609 609 610 610 ... ... @@ -619,29 +619,29 @@ 619 619 620 620 621 621 622 -== 2. 7Firmware Change Log ==741 +== 2.10 Firmware Change Log == 623 623 624 624 625 625 ((( 626 -Download URL & Firmware Change log 745 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0>>https://www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0]] 627 627 ))) 628 628 629 629 ((( 630 - [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]749 + 631 631 ))) 632 632 633 - 634 634 ((( 635 -Upgrade Instruction: [[Upgrade _Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]753 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]] 636 636 ))) 637 637 638 638 639 639 640 -== 2. 8Battery Analysis ==758 +== 2.11 Battery Analysis == 641 641 642 -=== 2.8.1 Battery Type === 643 643 761 +=== 2.11.1 Battery Type === 644 644 763 + 645 645 ((( 646 646 The NDDS75 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. 647 647 ))) ... ... @@ -664,7 +664,7 @@ 664 664 665 665 666 666 667 -=== 2. 8.2 Power consumption Analyze ===786 +=== 2.11.2 Power consumption Analyze === 668 668 669 669 670 670 ((( ... ... @@ -703,7 +703,7 @@ 703 703 704 704 705 705 706 -=== 2. 8.3 Battery Note ===825 +=== 2.11.3 Battery Note === 707 707 708 708 709 709 ((( ... ... @@ -712,7 +712,7 @@ 712 712 713 713 714 714 715 -=== 2. 8.4 Replace the battery ===834 +=== 2.11.4 Replace the battery === 716 716 717 717 718 718 ((( ... ... @@ -730,6 +730,8 @@ 730 730 731 731 ((( 732 732 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/]] 852 + 853 + 733 733 ))) 734 734 735 735 [[image:1657333200519-600.png]] ... ... @@ -738,85 +738,103 @@ 738 738 739 739 = 4. Using the AT Commands = 740 740 862 + 741 741 == 4.1 Access AT Commands == 742 742 743 743 744 -See this link for detail: [[https:~~/~~/www.dr agino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]866 +See this link for detail: [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]] 745 745 746 746 747 -AT+<CMD>? : Help on <CMD> 869 +AT+<CMD>? : Help on <CMD> 748 748 749 -AT+<CMD> : Run <CMD> 871 +AT+<CMD> : Run <CMD> 750 750 751 -AT+<CMD>=<value> : Set the value 873 +AT+<CMD>=<value> : Set the value 752 752 753 -AT+<CMD>=? : Get the value 875 +AT+<CMD>=? : Get the value 754 754 755 755 756 756 (% style="color:#037691" %)**General Commands**(%%) 757 757 758 -AT : Attention 880 +AT : Attention 759 759 760 -AT? : Short Help 882 +AT? : Short Help 761 761 762 -ATZ : MCU Reset 884 +ATZ : MCU Reset 763 763 764 -AT+TDC : Application Data Transmission Interval 886 +AT+TDC : Application Data Transmission Interval 765 765 766 -AT+CFG : Print all configurations 888 +AT+CFG : Print all configurations 767 767 768 -AT+CFGMOD : Working mode selection 890 +AT+CFGMOD : Working mode selection 769 769 770 -AT+INTMOD : Set the trigger interrupt mode 892 +AT+INTMOD : Set the trigger interrupt mode 771 771 772 -AT+5VT : Set extend the time of 5V power 894 +AT+5VT : Set extend the time of 5V power 773 773 774 -AT+PRO : Choose agreement 896 +AT+PRO : Choose agreement 775 775 776 -AT+WEIGRE : Get weight or set weight to 0 898 +AT+WEIGRE : Get weight or set weight to 0 777 777 778 -AT+WEIGAP : Get or Set the GapValue of weight 900 +AT+WEIGAP : Get or Set the GapValue of weight 779 779 780 -AT+RXDL : Extend the sending and receiving time 902 +AT+RXDL : Extend the sending and receiving time 781 781 782 -AT+CNTFAC : Get or set counting parameters 904 +AT+CNTFAC : Get or set counting parameters 783 783 784 -AT+SERVADDR 906 +AT+SERVADDR : Server Address 785 785 908 +AT+TR : Get or Set record time" 786 786 910 +AT+APN : Get or set the APN 911 + 912 +AT+FBAND : Get or Set whether to automatically modify the frequency band 913 + 914 +AT+DNSCFG : Get or Set DNS Server 915 + 916 +AT+GETSENSORVALUE : Returns the current sensor measurement 917 + 918 +AT+NOUD : Get or Set the number of data to be uploaded 919 + 920 +AT+CDP : Read or Clear cached data 921 + 922 +AT+LDDSALARM : Get or Set alarm of distance 923 + 924 + 787 787 (% style="color:#037691" %)**COAP Management** 788 788 789 -AT+URI : Resource parameters 927 +AT+URI : Resource parameters 790 790 791 791 792 792 (% style="color:#037691" %)**UDP Management** 793 793 794 -AT+CFM : Upload confirmation mode (only valid for UDP) 932 +AT+CFM : Upload confirmation mode (only valid for UDP) 795 795 796 796 797 797 (% style="color:#037691" %)**MQTT Management** 798 798 799 -AT+CLIENT 937 +AT+CLIENT : Get or Set MQTT client 800 800 801 -AT+UNAME 939 +AT+UNAME : Get or Set MQTT Username 802 802 803 -AT+PWD 941 +AT+PWD : Get or Set MQTT password 804 804 805 -AT+PUBTOPIC 943 +AT+PUBTOPIC : Get or Set MQTT publish topic 806 806 807 -AT+SUBTOPIC 945 +AT+SUBTOPIC : Get or Set MQTT subscription topic 808 808 809 809 810 810 (% style="color:#037691" %)**Information** 811 811 812 -AT+FDR : Factory Data Reset 950 +AT+FDR : Factory Data Reset 813 813 814 -AT+PWORD : Serial Access Password 952 +AT+PWORD : Serial Access Password 815 815 816 816 817 817 818 818 = 5. FAQ = 819 819 958 + 820 820 == 5.1 How to Upgrade Firmware == 821 821 822 822 ... ... @@ -836,6 +836,7 @@ 836 836 837 837 = 6. Trouble Shooting = 838 838 978 + 839 839 == 6.1 Connection problem when uploading firmware == 840 840 841 841 ... ... @@ -884,6 +884,7 @@ 884 884 ((( 885 885 886 886 1027 + 887 887 (% style="color:#037691" %)**Dimension and weight**: 888 888 889 889 * Device Size: 13.0 x 5 x 4.5 cm
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