Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 103.1 >
edited by David Huang
on 2022/09/08 18:02
To version < 100.3 >
edited by Xiaoling
on 2022/08/08 16:07
>
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.David
1 +XWiki.Xiaoling
Content
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16 16  
17 17  = 1.  Introduction =
18 18  
19 -
20 20  == 1.1 ​ What is NDDS75 Distance Detection Sensor ==
21 21  
22 22  (((
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72 72  * 8500mAh Battery for long term use
73 73  
74 74  
74 +
75 75  == 1.3  Specification ==
76 76  
77 77  
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103 103  * Max transmit power: 350mA@3.3v
104 104  
105 105  
106 +
106 106  == ​1.4  Applications ==
107 107  
108 108  
... ... @@ -117,8 +117,6 @@
117 117  ​
118 118  
119 119  
120 -
121 -
122 122  == 1.5  Pin Definitions ==
123 123  
124 124  
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128 128  
129 129  = 2.  Use NDDS75 to communicate with IoT Server =
130 130  
131 -
132 132  == 2.1  How it works ==
133 133  
134 134  
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202 202  
203 203  [[image:image-20220709092052-2.png]]
204 204  
205 -
206 206  **Connection:**
207 207  
208 208   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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226 226  
227 227  [[image:1657329814315-101.png]]
228 228  
229 -
230 230  (((
231 -(% 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]]**
227 +(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
232 232  )))
233 233  
234 234  
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251 251  )))
252 252  * (((
253 253  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
254 -
255 -
256 -
257 257  )))
258 258  
259 259  (((
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263 263  [[image:1657330452568-615.png]]
264 264  
265 265  
266 -
267 267  (((
268 268  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.
269 269  )))
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330 330  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
331 331  
332 332  (((
333 -(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
325 +(% style="color:red" %)**NOTE:**
326 +)))
334 334  
335 -
328 +(((
329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
336 336  )))
337 337  
338 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
339 339  
340 -**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).**
341 341  
342 -
343 343  == 2.3  Uplink Payload ==
344 344  
345 345  
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359 359  
360 360  [[image:1657331036973-987.png]]
361 361  
362 -
363 363  (((
364 364  The payload is ASCII string, representative same HEX:
365 365  )))
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387 387  * (((
388 388  Interrupt: 0x00 = 0
389 389  
380 +
381 +
390 390  
391 391  )))
392 392  
393 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
394 -
395 -In this mode, uplink payload includes 69 bytes in total by default.
396 -
397 -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.
398 -
399 -|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
400 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
401 -
402 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
403 -
404 -[[image:image-20220908175246-1.png]]
405 -
406 -The payload is ASCII string, representative same HEX:
407 -
408 -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:
409 -
410 -* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
411 -* (% style="color:red" %)Version: 0x0084=132=1.3.2
412 -* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
413 -* (% style="color:blue" %)Singal: 0x1e = 30
414 -* (% style="color:red" %)Mod: 0x01 = 1
415 -* Interrupt: 0x00= 0
416 -* Distance: 0x0039= 57 = 57
417 -* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
418 -* Distance,Time stamp : 00396319baf0
419 -* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
420 -
421 421  == 2.4  Payload Explanation and Sensor Interface ==
422 422  
423 423  
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430 430  
431 431  (((
432 432  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
433 -
434 -
435 435  )))
436 436  
437 437  (((
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447 447  )))
448 448  
449 449  
450 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
451 451  
452 -By default, the Device ID equal to the last 15 bits of IMEI.
453 -
454 -User can use **AT+DEUI** to set Device ID
455 -
456 -**Example:**
457 -
458 -AT+DEUI=868411056754138
459 -
460 460  === 2.4.2  Version Info ===
461 461  
462 462  
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584 584  
585 585  (((
586 586  The 5V output time can be controlled by AT Command.
587 -
588 -
589 589  )))
590 590  
591 591  (((
592 592  (% style="color:blue" %)**AT+5VT=1000**
593 -
594 -
595 595  )))
596 596  
597 597  (((
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652 652  )))
653 653  
654 654  
655 -== 2.6 Distance alarm function ==
656 656  
657 -➢ AT Command:
605 +== 2.6  ​LED Indicator ==
658 658  
659 -AT+ LDDSALARM=min,max
660 660  
661 -² When min=0, and max≠0, Alarm higher than max
662 -
663 -² When min≠0, and max=0, Alarm lower than min
664 -
665 -² When min≠0 and max≠0, Alarm higher than max or lower than min
666 -
667 -Example:
668 -
669 -AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
670 -
671 -
672 -== 2.7 Set the number of data to be uploaded and the recording time ==
673 -
674 -➢ AT Command:
675 -
676 -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)
677 -
678 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
679 -
680 -== 2.8 Read or Clear cached data ==
681 -
682 -➢ AT Command:
683 -
684 -AT+CDP ~/~/ Read cached data
685 -
686 -[[image:image-20220908175333-2.png]]
687 -
688 -AT+CDP=0 ~/~/ Clear cached data
689 -
690 -== 2.9  ​LED Indicator ==
691 -
692 -
693 693  The NDDS75 has an internal LED which is to show the status of different state.
694 694  
695 695  
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704 704  
705 705  
706 706  
707 -== 2.10  ​Firmware Change Log ==
622 +== 2.7  ​Firmware Change Log ==
708 708  
709 709  
710 710  (((
711 -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]]
626 +Download URL & Firmware Change log
712 712  )))
713 713  
714 714  (((
715 -
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/]]
716 716  )))
717 717  
633 +
718 718  (((
719 -Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
635 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
720 720  )))
721 721  
722 722  
723 723  
724 -== 2.11  ​Battery Analysis ==
640 +== 2.8  ​Battery Analysis ==
725 725  
642 +=== 2.8.1  ​Battery Type ===
726 726  
727 -=== 2.11.1  ​Battery Type ===
728 728  
729 -
730 730  (((
731 731  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.
732 732  )))
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749 749  
750 750  
751 751  
752 -=== 2.11.2  Power consumption Analyze ===
667 +=== 2.8.2  Power consumption Analyze ===
753 753  
754 754  
755 755  (((
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788 788  
789 789  
790 790  
791 -=== 2.11.3  ​Battery Note ===
706 +=== 2.8.3  ​Battery Note ===
792 792  
793 793  
794 794  (((
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797 797  
798 798  
799 799  
800 -=== 2.11.4  Replace the battery ===
715 +=== 2.8.4  Replace the battery ===
801 801  
802 802  
803 803  (((
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815 815  
816 816  (((
817 817  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/]] 
818 -
819 -
820 820  )))
821 821  
822 822  [[image:1657333200519-600.png]]
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825 825  
826 826  = 4.  Using the AT Commands =
827 827  
828 -
829 829  == 4.1  Access AT Commands ==
830 830  
831 831  
832 -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]]
744 +See this link for detail: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
833 833  
834 834  
835 835  AT+<CMD>?  : Help on <CMD>
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871 871  
872 872  AT+SERVADDR  : Server Address
873 873  
874 -AT+TR      : Get or Set record time"
875 875  
876 -AT+APN     : Get or set the APN
877 -
878 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
879 -
880 -AT+DNSCFG  : Get or Set DNS Server
881 -
882 -AT+GETSENSORVALUE   : Returns the current sensor measurement
883 -
884 -AT+NOUD      : Get or Set the number of data to be uploaded
885 -
886 -AT+CDP     : Read or Clear cached data
887 -
888 -AT+LDDSALARM : Get or Set alarm of distance
889 -
890 -
891 891  (% style="color:#037691" %)**COAP Management**      
892 892  
893 893  AT+URI            : Resource parameters
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921 921  
922 922  = ​5.  FAQ =
923 923  
924 -
925 925  == 5.1 ​ How to Upgrade Firmware ==
926 926  
927 927  
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941 941  
942 942  = 6.  Trouble Shooting =
943 943  
944 -
945 945  == 6.1  ​Connection problem when uploading firmware ==
946 946  
947 947  
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990 990  (((
991 991  
992 992  
993 -
994 994  (% style="color:#037691" %)**Dimension and weight**:
995 995  
996 996  * Device Size: 13.0 x 5 x 4.5 cm
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