Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 97.1 >
edited by Xiaoling
on 2022/07/09 11:06
To version < 102.1 >
edited by David Huang
on 2022/09/08 17:53
>
Change comment: Uploaded new attachment "image-20220908175333-2.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.David
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  (((
... ... @@ -22,20 +22,34 @@
22 22  
23 23  
24 24  (((
26 +(((
25 25  The Dragino NDDS75 is a (% style="color:blue" %)**NB-IoT Distance Detection Sensor**(%%) for Internet of Things solution. It is designed to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data.
26 -\\The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network.
27 -\\NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage.
28 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
29 -\\NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
30 -\\To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection.
31 31  )))
32 32  
33 -
30 +(((
31 +The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network.
34 34  )))
35 35  
36 -[[image:1654503236291-817.png]]
34 +(((
35 +NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage.
36 +)))
37 37  
38 +(((
39 +NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
40 +)))
38 38  
42 +(((
43 +NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
44 +)))
45 +
46 +(((
47 +To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection.
48 +)))
49 +)))
50 +
51 +
52 +)))
53 +
39 39  [[image:1657327959271-447.png]]
40 40  
41 41  
... ... @@ -56,6 +56,9 @@
56 56  * Micro SIM card slot for NB-IoT SIM
57 57  * 8500mAh Battery for long term use
58 58  
74 +
75 +
76 +
59 59  == 1.3  Specification ==
60 60  
61 61  
... ... @@ -64,6 +64,8 @@
64 64  * Supply Voltage: 2.1v ~~ 3.6v
65 65  * Operating Temperature: -40 ~~ 85°C
66 66  
85 +
86 +
67 67  (% style="color:#037691" %)**NB-IoT Spec:**
68 68  
69 69  * - B1 @H-FDD: 2100MHz
... ... @@ -73,6 +73,8 @@
73 73  * - B20 @H-FDD: 800MHz
74 74  * - B28 @H-FDD: 700MHz
75 75  
96 +
97 +
76 76  (% style="color:#037691" %)**Battery:**
77 77  
78 78  * Li/SOCI2 un-chargeable battery
... ... @@ -81,14 +81,19 @@
81 81  * Max continuously current: 130mA
82 82  * Max boost current: 2A, 1 second
83 83  
106 +
107 +
84 84  (% style="color:#037691" %)**Power Consumption**
85 85  
86 86  * STOP Mode: 10uA @ 3.3v
87 -* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
111 +* Max transmit power: 350mA@3.3v
88 88  
89 89  
114 +
115 +
90 90  == ​1.4  Applications ==
91 91  
118 +
92 92  * Smart Buildings & Home Automation
93 93  * Logistics and Supply Chain Management
94 94  * Smart Metering
... ... @@ -101,6 +101,7 @@
101 101  
102 102  
103 103  
131 +
104 104  == 1.5  Pin Definitions ==
105 105  
106 106  
... ... @@ -110,8 +110,10 @@
110 110  
111 111  = 2.  Use NDDS75 to communicate with IoT Server =
112 112  
141 +
113 113  == 2.1  How it works ==
114 114  
144 +
115 115  (((
116 116  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.
117 117  )))
... ... @@ -137,16 +137,19 @@
137 137  
138 138  === 2.2.1 Test Requirement ===
139 139  
170 +
140 140  (((
141 141  To use NDDS75 in your city, make sure meet below requirements:
142 142  )))
143 143  
144 144  * Your local operator has already distributed a NB-IoT Network there.
145 -* The local NB-IoT network used the band that NSE01 supports.
176 +* The local NB-IoT network used the band that NDDS75 supports.
146 146  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
147 147  
179 +
180 +
148 148  (((
149 -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
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.
150 150  )))
151 151  
152 152  
... ... @@ -156,6 +156,7 @@
156 156  
157 157  === 2.2.2 Insert SIM card ===
158 158  
192 +
159 159  (((
160 160  Insert the NB-IoT Card get from your provider.
161 161  )))
... ... @@ -171,6 +171,7 @@
171 171  
172 172  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
173 173  
208 +
174 174  (((
175 175  (((
176 176  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.
... ... @@ -179,6 +179,7 @@
179 179  
180 180  [[image:image-20220709092052-2.png]]
181 181  
217 +
182 182  **Connection:**
183 183  
184 184   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
... ... @@ -202,8 +202,9 @@
202 202  
203 203  [[image:1657329814315-101.png]]
204 204  
241 +
205 205  (((
206 -(% 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/]]
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]]**
207 207  )))
208 208  
209 209  
... ... @@ -210,21 +210,38 @@
210 210  
211 211  === 2.2.4 Use CoAP protocol to uplink data ===
212 212  
213 -(% 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/]]
214 214  
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/]]**
215 215  
253 +
254 +(((
216 216  **Use below commands:**
256 +)))
217 217  
218 -* (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
219 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
220 -* (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
258 +* (((
259 +(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
260 +)))
261 +* (((
262 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
263 +)))
264 +* (((
265 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
221 221  
267 +
268 +
269 +)))
270 +
271 +(((
222 222  For parameter description, please refer to AT command set
273 +)))
223 223  
224 224  [[image:1657330452568-615.png]]
225 225  
226 226  
278 +
279 +(((
227 227  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 +)))
228 228  
229 229  [[image:1657330472797-498.png]]
230 230  
... ... @@ -233,10 +233,12 @@
233 233  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
234 234  
235 235  
236 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
290 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
237 237  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
238 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/If the server does not respond, this command is unnecessary
292 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
239 239  
294 +
295 +
240 240  [[image:1657330501006-241.png]]
241 241  
242 242  
... ... @@ -247,14 +247,16 @@
247 247  === 2.2.6 Use MQTT protocol to uplink data ===
248 248  
249 249  
250 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
251 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
252 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
253 -* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/Set the username of MQTT
254 -* (% style="color:blue" %)**AT+PWD=PWD                                        **(%%)~/~/Set the password of MQTT
306 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
307 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
308 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
309 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
310 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
255 255  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
256 256  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
257 257  
314 +
315 +
258 258  [[image:1657249978444-674.png]]
259 259  
260 260  
... ... @@ -273,6 +273,8 @@
273 273  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
274 274  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
275 275  
334 +
335 +
276 276  [[image:image-20220709093918-1.png]]
277 277  
278 278  
... ... @@ -282,16 +282,15 @@
282 282  
283 283  === 2.2.8 Change Update Interval ===
284 284  
345 +
285 285  User can use below command to change the (% style="color:green" %)**uplink interval**.
286 286  
287 287  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
288 288  
289 -(((
290 -(% style="color:red" %)**NOTE:**
291 -)))
292 292  
351 +
293 293  (((
294 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
353 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
295 295  )))
296 296  
297 297  
... ... @@ -298,14 +298,15 @@
298 298  
299 299  == 2.3  Uplink Payload ==
300 300  
360 +
301 301  In this mode, uplink payload includes in total 14 bytes
302 302  
303 303  
304 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
305 -|=(% style="width: 80px;" %)(((
364 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
365 +|=(% style="width: 60px;" %)(((
306 306  **Size(bytes)**
307 -)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width: 70px;" %)**1**
308 -|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.8A0DigitalInterrupt"]]
367 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
368 +|(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
309 309  
310 310  (((
311 311  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
... ... @@ -314,6 +314,7 @@
314 314  
315 315  [[image:1657331036973-987.png]]
316 316  
377 +
317 317  (((
318 318  The payload is ASCII string, representative same HEX:
319 319  )))
... ... @@ -351,6 +351,7 @@
351 351  
352 352  === 2.4.1  Device ID ===
353 353  
415 +
354 354  (((
355 355  By default, the Device ID equal to the last 6 bytes of IMEI.
356 356  )))
... ... @@ -357,6 +357,8 @@
357 357  
358 358  (((
359 359  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
422 +
423 +
360 360  )))
361 361  
362 362  (((
... ... @@ -375,6 +375,7 @@
375 375  
376 376  === 2.4.2  Version Info ===
377 377  
442 +
378 378  (((
379 379  Specify the software version: 0x64=100, means firmware version 1.00.
380 380  )))
... ... @@ -387,9 +387,6 @@
387 387  
388 388  === 2.4.3  Battery Info ===
389 389  
390 -(((
391 -Check the battery voltage for LSE01.
392 -)))
393 393  
394 394  (((
395 395  Ex1: 0x0B45 = 2885mV
... ... @@ -403,6 +403,7 @@
403 403  
404 404  === 2.4.4  Signal Strength ===
405 405  
468 +
406 406  (((
407 407  NB-IoT Network signal Strength.
408 408  )))
... ... @@ -435,9 +435,12 @@
435 435  
436 436  === 2.4.5  Distance ===
437 437  
501 +
438 438  Get the distance. Flat object range 280mm - 7500mm.
439 439  
504 +(((
440 440  For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
506 +)))
441 441  
442 442  (((
443 443  (((
... ... @@ -455,6 +455,7 @@
455 455  
456 456  === 2.4.6  Digital Interrupt ===
457 457  
524 +
458 458  (((
459 459  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.
460 460  )))
... ... @@ -489,6 +489,7 @@
489 489  
490 490  === 2.4.7  ​+5V Output ===
491 491  
559 +
492 492  (((
493 493  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
494 494  )))
... ... @@ -496,10 +496,14 @@
496 496  
497 497  (((
498 498  The 5V output time can be controlled by AT Command.
567 +
568 +
499 499  )))
500 500  
501 501  (((
502 502  (% style="color:blue" %)**AT+5VT=1000**
573 +
574 +
503 503  )))
504 504  
505 505  (((
... ... @@ -510,6 +510,7 @@
510 510  
511 511  == 2.5  Downlink Payload ==
512 512  
585 +
513 513  By default, NDDS75 prints the downlink payload to console port.
514 514  
515 515  [[image:image-20220709100028-1.png]]
... ... @@ -580,19 +580,23 @@
580 580  == 2.7  ​Firmware Change Log ==
581 581  
582 582  
583 -Download URL & Firmware Change log
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]]
658 +)))
584 584  
585 585  (((
586 -[[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/]]
661 +
587 587  )))
588 588  
664 +(((
665 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
666 +)))
589 589  
590 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
591 591  
592 592  
593 -
594 594  == 2.8  ​Battery Analysis ==
595 595  
672 +
596 596  === 2.8.1  ​Battery Type ===
597 597  
598 598  
... ... @@ -620,6 +620,7 @@
620 620  
621 621  === 2.8.2  Power consumption Analyze ===
622 622  
700 +
623 623  (((
624 624  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.
625 625  )))
... ... @@ -658,6 +658,7 @@
658 658  
659 659  === 2.8.3  ​Battery Note ===
660 660  
739 +
661 661  (((
662 662  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.
663 663  )))
... ... @@ -666,6 +666,7 @@
666 666  
667 667  === 2.8.4  Replace the battery ===
668 668  
748 +
669 669  (((
670 670  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).
671 671  )))
... ... @@ -674,6 +674,7 @@
674 674  
675 675  = 3. ​ Access NB-IoT Module =
676 676  
757 +
677 677  (((
678 678  Users can directly access the AT command set of the NB-IoT module.
679 679  )))
... ... @@ -680,6 +680,8 @@
680 680  
681 681  (((
682 682  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 +
683 683  )))
684 684  
685 685  [[image:1657333200519-600.png]]
... ... @@ -688,11 +688,13 @@
688 688  
689 689  = 4.  Using the AT Commands =
690 690  
774 +
691 691  == 4.1  Access AT Commands ==
692 692  
693 -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/]]
694 694  
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]]
695 695  
780 +
696 696  AT+<CMD>?  : Help on <CMD>
697 697  
698 698  AT+<CMD>         : Run <CMD>
... ... @@ -766,6 +766,7 @@
766 766  
767 767  = ​5.  FAQ =
768 768  
854 +
769 769  == 5.1 ​ How to Upgrade Firmware ==
770 770  
771 771  
... ... @@ -778,7 +778,7 @@
778 778  )))
779 779  
780 780  (((
781 -(% style="color:red" %)Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.
867 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
782 782  )))
783 783  
784 784  
... ... @@ -785,6 +785,7 @@
785 785  
786 786  = 6.  Trouble Shooting =
787 787  
874 +
788 788  == 6.1  ​Connection problem when uploading firmware ==
789 789  
790 790  
... ... @@ -800,6 +800,7 @@
800 800  
801 801  == 6.2  AT Command input doesn't work ==
802 802  
890 +
803 803  (((
804 804  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.
805 805  
... ... @@ -825,7 +825,7 @@
825 825  
826 826  (% style="color:#037691" %)**Package Includes**:
827 827  
828 -* NSE01 NB-IoT Distance Detect Sensor Node x 1
916 +* NDDS75 NB-IoT Distance Detect Sensor Node x 1
829 829  * External antenna x 1
830 830  )))
831 831  
... ... @@ -832,9 +832,9 @@
832 832  (((
833 833  
834 834  
923 +
835 835  (% style="color:#037691" %)**Dimension and weight**:
836 836  
837 -
838 838  * Device Size: 13.0 x 5 x 4.5 cm
839 839  * Device Weight: 150g
840 840  * Package Size / pcs : 15 x 12x 5.5 cm
... ... @@ -850,5 +850,8 @@
850 850  
851 851  = 9.  Support =
852 852  
941 +
853 853  * 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.
854 854  * 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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