<
From version < 102.1 >
edited by David Huang
on 2022/09/08 17:53
To version < 100.1 >
edited by Xiaoling
on 2022/07/11 14:11
>
Change comment: There is no comment for this version

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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  (((
... ... @@ -57,7 +57,6 @@
57 57  
58 58  == 1.2 ​ Features ==
59 59  
60 -
61 61  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
62 62  * Ultra low power consumption
63 63  * Distance Detection by Ultrasonic technology
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73 73  
74 74  
75 75  
76 -
77 77  == 1.3  Specification ==
78 78  
79 -
80 80  (% style="color:#037691" %)**Common DC Characteristics:**
81 81  
82 82  * Supply Voltage: 2.1v ~~ 3.6v
83 83  * Operating Temperature: -40 ~~ 85°C
84 84  
85 -
86 -
87 87  (% style="color:#037691" %)**NB-IoT Spec:**
88 88  
89 89  * - B1 @H-FDD: 2100MHz
... ... @@ -93,8 +93,6 @@
93 93  * - B20 @H-FDD: 800MHz
94 94  * - B28 @H-FDD: 700MHz
95 95  
96 -
97 -
98 98  (% style="color:#037691" %)**Battery:**
99 99  
100 100  * Li/SOCI2 un-chargeable battery
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103 103  * Max continuously current: 130mA
104 104  * Max boost current: 2A, 1 second
105 105  
106 -
107 -
108 108  (% style="color:#037691" %)**Power Consumption**
109 109  
110 110  * STOP Mode: 10uA @ 3.3v
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112 112  
113 113  
114 114  
115 -
116 116  == ​1.4  Applications ==
117 117  
118 -
119 119  * Smart Buildings & Home Automation
120 120  * Logistics and Supply Chain Management
121 121  * Smart Metering
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127 127  ​
128 128  
129 129  
130 -
131 -
132 132  == 1.5  Pin Definitions ==
133 133  
134 134  
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138 138  
139 139  = 2.  Use NDDS75 to communicate with IoT Server =
140 140  
141 -
142 142  == 2.1  How it works ==
143 143  
144 -
145 145  (((
146 146  The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
147 147  )))
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167 167  
168 168  === 2.2.1 Test Requirement ===
169 169  
170 -
171 171  (((
172 172  To use NDDS75 in your city, make sure meet below requirements:
173 173  )))
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176 176  * The local NB-IoT network used the band that NDDS75 supports.
177 177  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
178 178  
179 -
180 -
181 181  (((
182 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server.
163 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
183 183  )))
184 184  
185 185  
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189 189  
190 190  === 2.2.2 Insert SIM card ===
191 191  
192 -
193 193  (((
194 194  Insert the NB-IoT Card get from your provider.
195 195  )))
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205 205  
206 206  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
207 207  
208 -
209 209  (((
210 210  (((
211 211  User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
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214 214  
215 215  [[image:image-20220709092052-2.png]]
216 216  
217 -
218 218  **Connection:**
219 219  
220 220   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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238 238  
239 239  [[image:1657329814315-101.png]]
240 240  
241 -
242 242  (((
243 -(% 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]]**
220 +(% 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/]]
244 244  )))
245 245  
246 246  
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247 247  
248 248  === 2.2.4 Use CoAP protocol to uplink data ===
249 249  
227 +(% 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/]]
250 250  
251 -(% 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/]]**
252 252  
253 -
254 254  (((
255 255  **Use below commands:**
256 256  )))
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263 263  )))
264 264  * (((
265 265  (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
266 -
267 -
268 -
269 269  )))
270 270  
271 271  (((
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275 275  [[image:1657330452568-615.png]]
276 276  
277 277  
278 -
279 279  (((
280 280  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.
281 281  )))
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291 291  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
292 292  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
293 293  
294 -
295 -
296 296  [[image:1657330501006-241.png]]
297 297  
298 298  
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311 311  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
312 312  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
313 313  
314 -
315 -
316 316  [[image:1657249978444-674.png]]
317 317  
318 318  
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331 331  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
332 332  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
333 333  
334 -
335 -
336 336  [[image:image-20220709093918-1.png]]
337 337  
338 338  
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342 342  
343 343  === 2.2.8 Change Update Interval ===
344 344  
345 -
346 346  User can use below command to change the (% style="color:green" %)**uplink interval**.
347 347  
348 348  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
349 349  
315 +(((
316 +(% style="color:red" %)**NOTE:**
317 +)))
350 350  
351 -
352 352  (((
353 -(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
320 +(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
354 354  )))
355 355  
356 356  
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357 357  
358 358  == 2.3  Uplink Payload ==
359 359  
360 -
361 361  In this mode, uplink payload includes in total 14 bytes
362 362  
363 363  
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374 374  
375 375  [[image:1657331036973-987.png]]
376 376  
377 -
378 378  (((
379 379  The payload is ASCII string, representative same HEX:
380 380  )))
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412 412  
413 413  === 2.4.1  Device ID ===
414 414  
415 -
416 416  (((
417 417  By default, the Device ID equal to the last 6 bytes of IMEI.
418 418  )))
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419 419  
420 420  (((
421 421  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
422 -
423 -
424 424  )))
425 425  
426 426  (((
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439 439  
440 440  === 2.4.2  Version Info ===
441 441  
442 -
443 443  (((
444 444  Specify the software version: 0x64=100, means firmware version 1.00.
445 445  )))
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452 452  
453 453  === 2.4.3  Battery Info ===
454 454  
455 -
456 456  (((
457 457  Ex1: 0x0B45 = 2885mV
458 458  )))
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465 465  
466 466  === 2.4.4  Signal Strength ===
467 467  
468 -
469 469  (((
470 470  NB-IoT Network signal Strength.
471 471  )))
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498 498  
499 499  === 2.4.5  Distance ===
500 500  
501 -
502 502  Get the distance. Flat object range 280mm - 7500mm.
503 503  
504 504  (((
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521 521  
522 522  === 2.4.6  Digital Interrupt ===
523 523  
524 -
525 525  (((
526 526  Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
527 527  )))
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556 556  
557 557  === 2.4.7  ​+5V Output ===
558 558  
559 -
560 560  (((
561 561  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
562 562  )))
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564 564  
565 565  (((
566 566  The 5V output time can be controlled by AT Command.
567 -
568 -
569 569  )))
570 570  
571 571  (((
572 572  (% style="color:blue" %)**AT+5VT=1000**
573 -
574 -
575 575  )))
576 576  
577 577  (((
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582 582  
583 583  == 2.5  Downlink Payload ==
584 584  
585 -
586 586  By default, NDDS75 prints the downlink payload to console port.
587 587  
588 588  [[image:image-20220709100028-1.png]]
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654 654  
655 655  
656 656  (((
657 -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]]
608 +Download URL & Firmware Change log
658 658  )))
659 659  
660 660  (((
661 -
612 +[[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/]]
662 662  )))
663 663  
615 +
664 664  (((
665 -Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
617 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
666 666  )))
667 667  
668 668  
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669 669  
670 670  == 2.8  ​Battery Analysis ==
671 671  
672 -
673 673  === 2.8.1  ​Battery Type ===
674 674  
675 675  
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697 697  
698 698  === 2.8.2  Power consumption Analyze ===
699 699  
700 -
701 701  (((
702 702  Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
703 703  )))
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736 736  
737 737  === 2.8.3  ​Battery Note ===
738 738  
739 -
740 740  (((
741 741  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 transmit LoRa, then the battery life may be decreased.
742 742  )))
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745 745  
746 746  === 2.8.4  Replace the battery ===
747 747  
748 -
749 749  (((
750 750  The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
751 751  )))
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754 754  
755 755  = 3. ​ Access NB-IoT Module =
756 756  
757 -
758 758  (((
759 759  Users can directly access the AT command set of the NB-IoT module.
760 760  )))
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761 761  
762 762  (((
763 763  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/]] 
764 -
765 -
766 766  )))
767 767  
768 768  [[image:1657333200519-600.png]]
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771 771  
772 772  = 4.  Using the AT Commands =
773 773  
774 -
775 775  == 4.1  Access AT Commands ==
776 776  
721 +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/]]
777 777  
778 -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]]
779 779  
780 -
781 781  AT+<CMD>?  : Help on <CMD>
782 782  
783 783  AT+<CMD>         : Run <CMD>
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851 851  
852 852  = ​5.  FAQ =
853 853  
854 -
855 855  == 5.1 ​ How to Upgrade Firmware ==
856 856  
857 857  
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864 864  )))
865 865  
866 866  (((
867 -(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
809 +(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
868 868  )))
869 869  
870 870  
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871 871  
872 872  = 6.  Trouble Shooting =
873 873  
874 -
875 875  == 6.1  ​Connection problem when uploading firmware ==
876 876  
877 877  
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887 887  
888 888  == 6.2  AT Command input doesn't work ==
889 889  
890 -
891 891  (((
892 892  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.
893 893  
... ... @@ -920,7 +920,6 @@
920 920  (((
921 921  
922 922  
923 -
924 924  (% style="color:#037691" %)**Dimension and weight**:
925 925  
926 926  * Device Size: 13.0 x 5 x 4.5 cm
... ... @@ -938,8 +938,5 @@
938 938  
939 939  = 9.  Support =
940 940  
941 -
942 942  * 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.
943 943  * 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]]
944 -
945 -
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