Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 104.1 >
edited by Edwin Chen
on 2022/09/08 23:13
To version < 100.3 >
edited by Xiaoling
on 2022/08/08 16:07
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Edwin
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  (((
... ... @@ -71,6 +71,8 @@
71 71  * Micro SIM card slot for NB-IoT SIM
72 72  * 8500mAh Battery for long term use
73 73  
73 +
74 +
74 74  == 1.3  Specification ==
75 75  
76 76  
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101 101  * STOP Mode: 10uA @ 3.3v
102 102  * Max transmit power: 350mA@3.3v
103 103  
105 +
106 +
104 104  == ​1.4  Applications ==
105 105  
106 106  
... ... @@ -115,8 +115,6 @@
115 115  ​
116 116  
117 117  
118 -
119 -
120 120  == 1.5  Pin Definitions ==
121 121  
122 122  
... ... @@ -126,7 +126,6 @@
126 126  
127 127  = 2.  Use NDDS75 to communicate with IoT Server =
128 128  
129 -
130 130  == 2.1  How it works ==
131 131  
132 132  
... ... @@ -200,7 +200,6 @@
200 200  
201 201  [[image:image-20220709092052-2.png]]
202 202  
203 -
204 204  **Connection:**
205 205  
206 206   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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224 224  
225 225  [[image:1657329814315-101.png]]
226 226  
227 -
228 228  (((
229 -(% 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/]]
230 230  )))
231 231  
232 232  
... ... @@ -249,9 +249,6 @@
249 249  )))
250 250  * (((
251 251  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
252 -
253 -
254 -
255 255  )))
256 256  
257 257  (((
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261 261  [[image:1657330452568-615.png]]
262 262  
263 263  
264 -
265 265  (((
266 266  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.
267 267  )))
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328 328  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
329 329  
330 330  (((
331 -(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
325 +(% style="color:red" %)**NOTE:**
326 +)))
332 332  
333 -
328 +(((
329 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
334 334  )))
335 335  
336 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
337 337  
338 -**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).**
339 339  
340 -
341 341  == 2.3  Uplink Payload ==
342 342  
343 343  
344 -=== 2.3.1 Before Firmware 1.3.2 ===
345 -
346 346  In this mode, uplink payload includes in total 14 bytes
347 347  
339 +
348 348  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
349 349  |=(% style="width: 60px;" %)(((
350 350  **Size(bytes)**
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358 358  
359 359  [[image:1657331036973-987.png]]
360 360  
361 -
362 362  (((
363 363  The payload is ASCII string, representative same HEX:
364 364  )))
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386 386  * (((
387 387  Interrupt: 0x00 = 0
388 388  
380 +
381 +
389 389  
390 390  )))
391 391  
392 -=== **2.3.2 Since firmware v1.3.2** ===
393 -
394 -In this mode, uplink payload includes 69 bytes in total by default.
395 -
396 -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.
397 -
398 -|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
399 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
400 -
401 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
402 -
403 -[[image:image-20220908175246-1.png]]
404 -
405 -The payload is ASCII string, representative same HEX:
406 -
407 -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:
408 -
409 -* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
410 -* (% style="color:red" %)Version: 0x0084=132=1.3.2
411 -* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
412 -* (% style="color:blue" %)Singal: 0x1e = 30
413 -* (% style="color:red" %)Mod: 0x01 = 1
414 -* Interrupt: 0x00= 0
415 -* Distance: 0x0039= 57 = 57
416 -* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
417 -* Distance,Time stamp : 00396319baf0
418 -* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
419 -
420 420  == 2.4  Payload Explanation and Sensor Interface ==
421 421  
422 422  
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429 429  
430 430  (((
431 431  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
432 -
433 -
434 434  )))
435 435  
436 436  (((
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446 446  )))
447 447  
448 448  
449 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
450 450  
451 -By default, the Device ID equal to the last 15 bits of IMEI.
452 -
453 -User can use **AT+DEUI** to set Device ID
454 -
455 -**Example:**
456 -
457 -AT+DEUI=868411056754138
458 -
459 459  === 2.4.2  Version Info ===
460 460  
461 461  
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583 583  
584 584  (((
585 585  The 5V output time can be controlled by AT Command.
586 -
587 -
588 588  )))
589 589  
590 590  (((
591 591  (% style="color:blue" %)**AT+5VT=1000**
592 -
593 -
594 594  )))
595 595  
596 596  (((
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651 651  )))
652 652  
653 653  
654 -== 2.6 Distance alarm function(Since firmware v1.3.2) ==
655 655  
656 -➢ AT Command:
605 +== 2.6  ​LED Indicator ==
657 657  
658 -AT+ LDDSALARM=min,max
659 659  
660 -² When min=0, and max≠0, Alarm higher than max
661 -
662 -² When min≠0, and max=0, Alarm lower than min
663 -
664 -² When min≠0 and max≠0, Alarm higher than max or lower than min
665 -
666 -Example:
667 -
668 -AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
669 -
670 -
671 -== 2.7 Set the number of data to be uploaded and the recording time ==
672 -
673 -➢ AT Command:
674 -
675 -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)
676 -
677 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
678 -
679 -== 2.8 Read or Clear cached data ==
680 -
681 -➢ AT Command:
682 -
683 -AT+CDP ~/~/ Read cached data
684 -
685 -[[image:image-20220908175333-2.png]]
686 -
687 -AT+CDP=0 ~/~/ Clear cached data
688 -
689 -== 2.9  ​LED Indicator ==
690 -
691 -
692 692  The NDDS75 has an internal LED which is to show the status of different state.
693 693  
694 694  
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703 703  
704 704  
705 705  
706 -== 2.10  ​Firmware Change Log ==
622 +== 2.7  ​Firmware Change Log ==
707 707  
708 708  
709 709  (((
710 -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
711 711  )))
712 712  
713 713  (((
714 -
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/]]
715 715  )))
716 716  
633 +
717 717  (((
718 -Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
635 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
719 719  )))
720 720  
721 721  
722 722  
723 -== 2.11  ​Battery Analysis ==
640 +== 2.8  ​Battery Analysis ==
724 724  
642 +=== 2.8.1  ​Battery Type ===
725 725  
726 -=== 2.11.1  ​Battery Type ===
727 727  
728 -
729 729  (((
730 730  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.
731 731  )))
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748 748  
749 749  
750 750  
751 -=== 2.11.2  Power consumption Analyze ===
667 +=== 2.8.2  Power consumption Analyze ===
752 752  
753 753  
754 754  (((
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787 787  
788 788  
789 789  
790 -=== 2.11.3  ​Battery Note ===
706 +=== 2.8.3  ​Battery Note ===
791 791  
792 792  
793 793  (((
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796 796  
797 797  
798 798  
799 -=== 2.11.4  Replace the battery ===
715 +=== 2.8.4  Replace the battery ===
800 800  
801 801  
802 802  (((
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814 814  
815 815  (((
816 816  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/]] 
817 -
818 -
819 819  )))
820 820  
821 821  [[image:1657333200519-600.png]]
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824 824  
825 825  = 4.  Using the AT Commands =
826 826  
827 -
828 828  == 4.1  Access AT Commands ==
829 829  
830 830  
831 -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/]]
832 832  
833 833  
834 834  AT+<CMD>?  : Help on <CMD>
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870 870  
871 871  AT+SERVADDR  : Server Address
872 872  
873 -AT+TR      : Get or Set record time"
874 874  
875 -AT+APN     : Get or set the APN
876 -
877 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
878 -
879 -AT+DNSCFG  : Get or Set DNS Server
880 -
881 -AT+GETSENSORVALUE   : Returns the current sensor measurement
882 -
883 -AT+NOUD      : Get or Set the number of data to be uploaded
884 -
885 -AT+CDP     : Read or Clear cached data
886 -
887 -AT+LDDSALARM : Get or Set alarm of distance
888 -
889 -
890 890  (% style="color:#037691" %)**COAP Management**      
891 891  
892 892  AT+URI            : Resource parameters
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920 920  
921 921  = ​5.  FAQ =
922 922  
923 -
924 924  == 5.1 ​ How to Upgrade Firmware ==
925 925  
926 926  
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940 940  
941 941  = 6.  Trouble Shooting =
942 942  
943 -
944 944  == 6.1  ​Connection problem when uploading firmware ==
945 945  
946 946  
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989 989  (((
990 990  
991 991  
992 -
993 993  (% style="color:#037691" %)**Dimension and weight**:
994 994  
995 995  * Device Size: 13.0 x 5 x 4.5 cm
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