Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 108.3 >
edited by Xiaoling
on 2022/10/15 10:00
To version < 103.1 >
edited by David Huang
on 2022/09/08 18:02
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.David
Content
... ... @@ -72,7 +72,6 @@
72 72  * 8500mAh Battery for long term use
73 73  
74 74  
75 -
76 76  == 1.3  Specification ==
77 77  
78 78  
... ... @@ -104,7 +104,6 @@
104 104  * Max transmit power: 350mA@3.3v
105 105  
106 106  
107 -
108 108  == ​1.4  Applications ==
109 109  
110 110  
... ... @@ -120,6 +120,7 @@
120 120  
121 121  
122 122  
121 +
123 123  == 1.5  Pin Definitions ==
124 124  
125 125  
... ... @@ -204,13 +204,13 @@
204 204  [[image:image-20220709092052-2.png]]
205 205  
206 206  
207 -(% style="color:blue" %)**Connection:**
206 +**Connection:**
208 208  
209 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
208 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
210 210  
211 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
210 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
212 212  
213 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
212 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
214 214  
215 215  
216 216  In the PC, use below serial tool settings:
... ... @@ -248,10 +248,10 @@
248 248  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
249 249  )))
250 250  * (((
251 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
250 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
252 252  )))
253 253  * (((
254 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
253 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
255 255  
256 256  
257 257  
... ... @@ -259,8 +259,6 @@
259 259  
260 260  (((
261 261  For parameter description, please refer to AT command set
262 -
263 -
264 264  )))
265 265  
266 266  [[image:1657330452568-615.png]]
... ... @@ -269,8 +269,6 @@
269 269  
270 270  (((
271 271  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.
272 -
273 -
274 274  )))
275 275  
276 276  [[image:1657330472797-498.png]]
... ... @@ -280,9 +280,9 @@
280 280  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
281 281  
282 282  
283 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
284 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
285 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
278 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
279 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
280 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
286 286  
287 287  [[image:1657330501006-241.png]]
288 288  
... ... @@ -294,13 +294,13 @@
294 294  === 2.2.6 Use MQTT protocol to uplink data ===
295 295  
296 296  
297 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
298 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
299 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
300 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
301 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
302 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
303 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
292 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
293 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
294 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
295 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
296 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
297 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
298 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
304 304  
305 305  [[image:1657249978444-674.png]]
306 306  
... ... @@ -317,8 +317,8 @@
317 317  === 2.2.7 Use TCP protocol to uplink data ===
318 318  
319 319  
320 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
321 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
315 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
316 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
322 322  
323 323  [[image:image-20220709093918-1.png]]
324 324  
... ... @@ -332,31 +332,25 @@
332 332  
333 333  User can use below command to change the (% style="color:green" %)**uplink interval**.
334 334  
335 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
330 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
336 336  
337 337  (((
338 -
333 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
339 339  
340 -
341 -(% style="color:red" %)**NOTE:**
342 -
343 -(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
344 -
345 -(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
335 +
346 346  )))
347 347  
348 -(% style="color:red" %)**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).**
338 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
349 349  
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).**
350 350  
351 351  
352 352  == 2.3  Uplink Payload ==
353 353  
354 354  
355 -=== 2.3.1  Before Firmware v1.3.2 ===
356 -
357 -
358 358  In this mode, uplink payload includes in total 14 bytes
359 359  
348 +
360 360  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
361 361  |=(% style="width: 60px;" %)(((
362 362  **Size(bytes)**
... ... @@ -371,71 +371,64 @@
371 371  [[image:1657331036973-987.png]]
372 372  
373 373  
363 +(((
364 +The payload is ASCII string, representative same HEX:
365 +)))
374 374  
375 -The payload is **ASCII** string, representative same HEX:
367 +(((
368 +0x72403155615900640c6c19029200 where:
369 +)))
376 376  
377 -(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
371 +* (((
372 +Device ID: 0x724031556159 = 724031556159
373 +)))
374 +* (((
375 +Version: 0x0064=100=1.0.0
376 +)))
378 378  
379 -**where :**
378 +* (((
379 +BAT: 0x0c6c = 3180 mV = 3.180V
380 +)))
381 +* (((
382 +Signal: 0x19 = 25
383 +)))
384 +* (((
385 +Distance: 0x0292= 658 mm
386 +)))
387 +* (((
388 +Interrupt: 0x00 = 0
380 380  
381 -* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
390 +
391 +)))
382 382  
383 -* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
393 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
384 384  
385 -* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
386 -
387 -* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
388 -
389 -* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
390 -
391 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
392 -
393 -
394 -
395 -=== **2.3.2  Since firmware v1.3.2** ===
396 -
397 -
398 398  In this mode, uplink payload includes 69 bytes in total by default.
399 399  
400 400  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.
401 401  
402 -(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
403 -|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4
404 -|(% style="width:95px" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
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.......
405 405  
406 406  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
407 407  
408 408  [[image:image-20220908175246-1.png]]
409 409  
410 -
411 411  The payload is ASCII string, representative same HEX:
412 412  
413 -**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
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:
414 414  
415 -**where:**
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**//,.......
416 416  
417 -* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
418 -
419 -* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
420 -
421 -* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
422 -
423 -* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
424 -
425 -* (% style="color:#037691" %)**Mod:**(%%)**  **0x01 = 1
426 -
427 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
428 -
429 -* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
430 -
431 -* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
432 -
433 -* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
434 -
435 -* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
436 -
437 -
438 -
439 439  == 2.4  Payload Explanation and Sensor Interface ==
440 440  
441 441  
... ... @@ -453,7 +453,7 @@
453 453  )))
454 454  
455 455  (((
456 -(% style="color:blue" %)**Example :**
438 +**Example:**
457 457  )))
458 458  
459 459  (((
... ... @@ -461,23 +461,20 @@
461 461  )))
462 462  
463 463  (((
464 -The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
446 +The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
465 465  )))
466 466  
467 467  
468 -(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
450 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
469 469  
470 -(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
452 +By default, the Device ID equal to the last 15 bits of IMEI.
471 471  
472 -User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
454 +User can use **AT+DEUI** to set Device ID
473 473  
456 +**Example:**
474 474  
475 -(% style="color:blue" %)**Example :**
476 -
477 477  AT+DEUI=868411056754138
478 478  
479 -
480 -
481 481  === 2.4.2  Version Info ===
482 482  
483 483  
... ... @@ -572,7 +572,7 @@
572 572  )))
573 573  
574 574  (((
575 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
554 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
576 576  )))
577 577  
578 578  
... ... @@ -673,14 +673,12 @@
673 673  )))
674 674  
675 675  
655 +== 2.6 Distance alarm function ==
676 676  
677 -== 2.6  Distance alarm function(Since firmware v1.3.2) ==
657 +➢ AT Command:
678 678  
659 +AT+ LDDSALARM=min,max
679 679  
680 -(% style="color:blue" %)** ➢ AT Command:**
681 -
682 -(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
683 -
684 684  ² When min=0, and max≠0, Alarm higher than max
685 685  
686 686  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -687,39 +687,29 @@
687 687  
688 688  ² When min≠0 and max≠0, Alarm higher than max or lower than min
689 689  
667 +Example:
690 690  
691 -(% style="color:blue" %)** Example:**
669 +AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
692 692  
693 -**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
694 694  
672 +== 2.7 Set the number of data to be uploaded and the recording time ==
695 695  
674 +➢ AT Command:
696 696  
697 -== 2.7  Set the number of data to be uploaded and the recording time ==
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)
698 698  
678 +AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
699 699  
700 -(% style="color:blue" %)** ➢ AT Command:**
680 +== 2.8 Read or Clear cached data ==
701 701  
702 -* (% style="color:#037691" %)** 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)
703 -* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
682 +➢ AT Command:
704 704  
705 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
684 +AT+CDP ~/~/ Read cached data
706 706  
707 -[[image:image-20221009001114-1.png||height="687" width="955"]]
708 -
709 -
710 -
711 -== 2.8  Read or Clear cached data ==
712 -
713 -
714 -(% style="color:blue" %)** ➢ AT Command:**
715 -
716 -* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
717 -* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
718 -
719 719  [[image:image-20220908175333-2.png]]
720 720  
688 +AT+CDP=0 ~/~/ Clear cached data
721 721  
722 -
723 723  == 2.9  ​LED Indicator ==
724 724  
725 725  
... ... @@ -865,90 +865,90 @@
865 865  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]]
866 866  
867 867  
868 -AT+<CMD>?  :  Help on <CMD>
835 +AT+<CMD>?  : Help on <CMD>
869 869  
870 -AT+<CMD>         :  Run <CMD>
837 +AT+<CMD>         : Run <CMD>
871 871  
872 -AT+<CMD>=<value> :  Set the value
839 +AT+<CMD>=<value> : Set the value
873 873  
874 -AT+<CMD>=?  :  Get the value
841 +AT+<CMD>=?  : Get the value
875 875  
876 876  
877 877  (% style="color:#037691" %)**General Commands**(%%)      
878 878  
879 -AT  :  Attention       
846 +AT  : Attention       
880 880  
881 -AT?  :  Short Help     
848 +AT?  : Short Help     
882 882  
883 -ATZ  :  MCU Reset    
850 +ATZ  : MCU Reset    
884 884  
885 -AT+TDC  :  Application Data Transmission Interval
852 +AT+TDC  : Application Data Transmission Interval
886 886  
887 -AT+CFG  :  Print all configurations
854 +AT+CFG  : Print all configurations
888 888  
889 -AT+CFGMOD           :  Working mode selection
856 +AT+CFGMOD           : Working mode selection
890 890  
891 -AT+INTMOD            :  Set the trigger interrupt mode
858 +AT+INTMOD            : Set the trigger interrupt mode
892 892  
893 -AT+5VT  :  Set extend the time of 5V power  
860 +AT+5VT  : Set extend the time of 5V power  
894 894  
895 -AT+PRO  :  Choose agreement
862 +AT+PRO  : Choose agreement
896 896  
897 -AT+WEIGRE  :  Get weight or set weight to 0
864 +AT+WEIGRE  : Get weight or set weight to 0
898 898  
899 -AT+WEIGAP  :  Get or Set the GapValue of weight
866 +AT+WEIGAP  : Get or Set the GapValue of weight
900 900  
901 -AT+RXDL  :  Extend the sending and receiving time
868 +AT+RXDL  : Extend the sending and receiving time
902 902  
903 -AT+CNTFAC  :  Get or set counting parameters
870 +AT+CNTFAC  : Get or set counting parameters
904 904  
905 -AT+SERVADDR  :  Server Address
872 +AT+SERVADDR  : Server Address
906 906  
907 -AT+TR  :  Get or Set record time"
874 +AT+TR      : Get or Set record time"
908 908  
909 -AT+APN     :  Get or set the APN
876 +AT+APN     : Get or set the APN
910 910  
911 -AT+FBAND  :  Get or Set whether to automatically modify the frequency band
878 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
912 912  
913 -AT+DNSCFG  : Get or Set DNS Server
880 +AT+DNSCFG  : Get or Set DNS Server
914 914  
915 -AT+GETSENSORVALUE   :  Returns the current sensor measurement
882 +AT+GETSENSORVALUE   : Returns the current sensor measurement
916 916  
917 -AT+NOUD  :  Get or Set the number of data to be uploaded
884 +AT+NOUD      : Get or Set the number of data to be uploaded
918 918  
919 -AT+CDP     :  Read or Clear cached data
886 +AT+CDP     : Read or Clear cached data
920 920  
921 -AT+LDDSALARM :  Get or Set alarm of distance
888 +AT+LDDSALARM : Get or Set alarm of distance
922 922  
923 923  
924 924  (% style="color:#037691" %)**COAP Management**      
925 925  
926 -AT+URI            :  Resource parameters
893 +AT+URI            : Resource parameters
927 927  
928 928  
929 929  (% style="color:#037691" %)**UDP Management**
930 930  
931 -AT+CFM          :  Upload confirmation mode (only valid for UDP)
898 +AT+CFM          : Upload confirmation mode (only valid for UDP)
932 932  
933 933  
934 934  (% style="color:#037691" %)**MQTT Management**
935 935  
936 -AT+CLIENT  :  Get or Set MQTT client
903 +AT+CLIENT               : Get or Set MQTT client
937 937  
938 -AT+UNAME  :  Get or Set MQTT Username
905 +AT+UNAME  : Get or Set MQTT Username
939 939  
940 -AT+PWD  :  Get or Set MQTT password
907 +AT+PWD                  : Get or Set MQTT password
941 941  
942 -AT+PUBTOPIC  :  Get or Set MQTT publish topic
909 +AT+PUBTOPIC  : Get or Set MQTT publish topic
943 943  
944 -AT+SUBTOPIC  :  Get or Set MQTT subscription topic
911 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
945 945  
946 946  
947 947  (% style="color:#037691" %)**Information**          
948 948  
949 -AT+FDR  :  Factory Data Reset
916 +AT+FDR  : Factory Data Reset
950 950  
951 -AT+PWORD  :  Serial Access Password
918 +AT+PWORD  : Serial Access Password
952 952  
953 953  
954 954  
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