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

Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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16 16  
17 17  = 1.  Introduction =
18 18  
19 +
19 19  == 1.1 ​ What is NDDS75 Distance Detection Sensor ==
20 20  
21 21  (((
... ... @@ -70,8 +70,6 @@
70 70  * Micro SIM card slot for NB-IoT SIM
71 71  * 8500mAh Battery for long term use
72 72  
73 -
74 -
75 75  == 1.3  Specification ==
76 76  
77 77  
... ... @@ -102,8 +102,6 @@
102 102  * STOP Mode: 10uA @ 3.3v
103 103  * Max transmit power: 350mA@3.3v
104 104  
105 -
106 -
107 107  == ​1.4  Applications ==
108 108  
109 109  
... ... @@ -118,6 +118,8 @@
118 118  ​
119 119  
120 120  
118 +
119 +
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  
129 +
130 130  == 2.1  How it works ==
131 131  
132 132  
... ... @@ -200,6 +200,7 @@
200 200  
201 201  [[image:image-20220709092052-2.png]]
202 202  
203 +
203 203  **Connection:**
204 204  
205 205   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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223 223  
224 224  [[image:1657329814315-101.png]]
225 225  
227 +
226 226  (((
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/]]
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]]**
228 228  )))
229 229  
230 230  
... ... @@ -247,6 +247,9 @@
247 247  )))
248 248  * (((
249 249  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
252 +
253 +
254 +
250 250  )))
251 251  
252 252  (((
... ... @@ -256,6 +256,7 @@
256 256  [[image:1657330452568-615.png]]
257 257  
258 258  
264 +
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.
261 261  )))
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322 322  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
323 323  
324 324  (((
325 -(% style="color:red" %)**NOTE:**
326 -)))
331 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
327 327  
328 -(((
329 -(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
333 +
330 330  )))
331 331  
336 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
332 332  
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).**
333 333  
340 +
334 334  == 2.3  Uplink Payload ==
335 335  
336 336  
344 +=== 2.3.1 Before Firmware 1.3.2 ===
345 +
337 337  In this mode, uplink payload includes in total 14 bytes
338 338  
339 -
340 340  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
341 341  |=(% style="width: 60px;" %)(((
342 342  **Size(bytes)**
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350 350  
351 351  [[image:1657331036973-987.png]]
352 352  
361 +
353 353  (((
354 354  The payload is ASCII string, representative same HEX:
355 355  )))
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377 377  * (((
378 378  Interrupt: 0x00 = 0
379 379  
380 -
381 -
382 382  
383 383  )))
384 384  
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 +
385 385  == 2.4  Payload Explanation and Sensor Interface ==
386 386  
387 387  
... ... @@ -394,6 +394,8 @@
394 394  
395 395  (((
396 396  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
432 +
433 +
397 397  )))
398 398  
399 399  (((
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409 409  )))
410 410  
411 411  
449 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
412 412  
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 +
413 413  === 2.4.2  Version Info ===
414 414  
415 415  
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537 537  
538 538  (((
539 539  The 5V output time can be controlled by AT Command.
586 +
587 +
540 540  )))
541 541  
542 542  (((
543 543  (% style="color:blue" %)**AT+5VT=1000**
592 +
593 +
544 544  )))
545 545  
546 546  (((
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601 601  )))
602 602  
603 603  
654 +== 2.6 Distance alarm function(Since firmware v1.3.2) ==
604 604  
605 -== 2.6  ​LED Indicator ==
656 +➢ AT Command:
606 606  
658 +AT+ LDDSALARM=min,max
607 607  
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 +
608 608  The NDDS75 has an internal LED which is to show the status of different state.
609 609  
610 610  
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619 619  
620 620  
621 621  
622 -== 2.7  ​Firmware Change Log ==
706 +== 2.10  ​Firmware Change Log ==
623 623  
624 624  
625 625  (((
626 -Download URL & Firmware Change log
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]]
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/]]
714 +
631 631  )))
632 632  
633 -
634 634  (((
635 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
718 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
636 636  )))
637 637  
638 638  
639 639  
640 -== 2.8  ​Battery Analysis ==
723 +== 2.11  ​Battery Analysis ==
641 641  
642 -=== 2.8.1  ​Battery Type ===
643 643  
726 +=== 2.11.1  ​Battery Type ===
644 644  
728 +
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  )))
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664 664  
665 665  
666 666  
667 -=== 2.8.2  Power consumption Analyze ===
751 +=== 2.11.2  Power consumption Analyze ===
668 668  
669 669  
670 670  (((
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703 703  
704 704  
705 705  
706 -=== 2.8.3  ​Battery Note ===
790 +=== 2.11.3  ​Battery Note ===
707 707  
708 708  
709 709  (((
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712 712  
713 713  
714 714  
715 -=== 2.8.4  Replace the battery ===
799 +=== 2.11.4  Replace the battery ===
716 716  
717 717  
718 718  (((
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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/]] 
817 +
818 +
733 733  )))
734 734  
735 735  [[image:1657333200519-600.png]]
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738 738  
739 739  = 4.  Using the AT Commands =
740 740  
827 +
741 741  == 4.1  Access AT Commands ==
742 742  
743 743  
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/]]
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]]
745 745  
746 746  
747 747  AT+<CMD>?  : Help on <CMD>
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783 783  
784 784  AT+SERVADDR  : Server Address
785 785  
873 +AT+TR      : Get or Set record time"
786 786  
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 +
787 787  (% style="color:#037691" %)**COAP Management**      
788 788  
789 789  AT+URI            : Resource parameters
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817 817  
818 818  = ​5.  FAQ =
819 819  
923 +
820 820  == 5.1 ​ How to Upgrade Firmware ==
821 821  
822 822  
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836 836  
837 837  = 6.  Trouble Shooting =
838 838  
943 +
839 839  == 6.1  ​Connection problem when uploading firmware ==
840 840  
841 841  
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884 884  (((
885 885  
886 886  
992 +
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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