Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 103.1 >
edited by David Huang
on 2022/09/08 18:02
To version < 108.4 >
edited by Xiaoling
on 2022/10/26 09:33
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.David
1 +XWiki.Xiaoling
Content
... ... @@ -118,7 +118,6 @@
118 118  
119 119  
120 120  
121 -
122 122  == 1.5  Pin Definitions ==
123 123  
124 124  
... ... @@ -203,13 +203,13 @@
203 203  [[image:image-20220709092052-2.png]]
204 204  
205 205  
206 -**Connection:**
205 +(% style="color:blue" %)**Connection:**
207 207  
208 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
207 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
209 209  
210 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
209 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
211 211  
212 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
211 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
213 213  
214 214  
215 215  In the PC, use below serial tool settings:
... ... @@ -247,10 +247,10 @@
247 247  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
248 248  )))
249 249  * (((
250 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
249 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
251 251  )))
252 252  * (((
253 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
252 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
254 254  
255 255  
256 256  
... ... @@ -258,6 +258,8 @@
258 258  
259 259  (((
260 260  For parameter description, please refer to AT command set
260 +
261 +
261 261  )))
262 262  
263 263  [[image:1657330452568-615.png]]
... ... @@ -266,6 +266,8 @@
266 266  
267 267  (((
268 268  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.
270 +
271 +
269 269  )))
270 270  
271 271  [[image:1657330472797-498.png]]
... ... @@ -275,9 +275,9 @@
275 275  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
276 276  
277 277  
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
281 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
282 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
283 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
281 281  
282 282  [[image:1657330501006-241.png]]
283 283  
... ... @@ -289,13 +289,13 @@
289 289  === 2.2.6 Use MQTT protocol to uplink data ===
290 290  
291 291  
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
295 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
296 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
297 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
298 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
299 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
300 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
301 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
299 299  
300 300  [[image:1657249978444-674.png]]
301 301  
... ... @@ -312,8 +312,8 @@
312 312  === 2.2.7 Use TCP protocol to uplink data ===
313 313  
314 314  
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
318 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
319 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
317 317  
318 318  [[image:image-20220709093918-1.png]]
319 319  
... ... @@ -327,25 +327,31 @@
327 327  
328 328  User can use below command to change the (% style="color:green" %)**uplink interval**.
329 329  
330 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
333 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
331 331  
332 332  (((
333 -(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
334 -
335 335  
337 +
338 +
339 +(% style="color:red" %)**NOTE:**
340 +
341 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
342 +
343 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
336 336  )))
337 337  
338 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
346 +(% 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).**
339 339  
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).**
341 341  
342 342  
343 343  == 2.3  Uplink Payload ==
344 344  
345 345  
346 -In this mode, uplink payload includes in total 14 bytes
353 +=== 2.3.1  Before Firmware v1.3.2 ===
347 347  
348 348  
356 +In this mode, uplink payload includes in total 14 bytes
357 +
349 349  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
350 350  |=(% style="width: 60px;" %)(((
351 351  **Size(bytes)**
... ... @@ -360,64 +360,69 @@
360 360  [[image:1657331036973-987.png]]
361 361  
362 362  
363 -(((
364 -The payload is ASCII string, representative same HEX:
365 -)))
366 366  
367 -(((
368 -0x72403155615900640c6c19029200 where:
369 -)))
373 +The payload is **ASCII** string, representative same HEX:
370 370  
371 -* (((
372 -Device ID: 0x724031556159 = 724031556159
373 -)))
374 -* (((
375 -Version: 0x0064=100=1.0.0
376 -)))
375 +(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
377 377  
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
377 +**where :**
389 389  
390 -
391 -)))
379 +* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
392 392  
393 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
381 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
394 394  
383 +* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
384 +
385 +* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
386 +
387 +* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
388 +
389 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
390 +
391 +
392 +=== **2.3.2  Since firmware v1.3.2** ===
393 +
394 +
395 395  In this mode, uplink payload includes 69 bytes in total by default.
396 396  
397 397  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.
398 398  
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.......
399 +(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
400 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:25px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:25px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:40px" %)**4**|(% style="width:40px" %)**2**|(% style="width:40px" %)**4**
401 +|=(% 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.......
401 401  
402 402  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
403 403  
404 404  [[image:image-20220908175246-1.png]]
405 405  
407 +
406 406  The payload is ASCII string, representative same HEX:
407 407  
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:
410 +**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 (%%)**
409 409  
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**//,.......
412 +**where:**
420 420  
414 +* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
415 +
416 +* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
417 +
418 +* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
419 +
420 +* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
421 +
422 +* (% style="color:#037691" %)**Mod:**(%%)**  **0x01 = 1
423 +
424 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
425 +
426 +* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
427 +
428 +* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
429 +
430 +* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
431 +
432 +* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
433 +
434 +
421 421  == 2.4  Payload Explanation and Sensor Interface ==
422 422  
423 423  
... ... @@ -435,7 +435,7 @@
435 435  )))
436 436  
437 437  (((
438 -**Example:**
452 +(% style="color:blue" %)**Example :**
439 439  )))
440 440  
441 441  (((
... ... @@ -443,20 +443,23 @@
443 443  )))
444 444  
445 445  (((
446 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
460 +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.
447 447  )))
448 448  
449 449  
450 -**NOTE:When the firmware version is v1.3.2 and later firmware:**
464 +(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
451 451  
452 -By default, the Device ID equal to the last 15 bits of IMEI.
466 +(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
453 453  
454 -User can use **AT+DEUI** to set Device ID
468 +User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
455 455  
456 -**Example:**
457 457  
471 +(% style="color:blue" %)**Example :**
472 +
458 458  AT+DEUI=868411056754138
459 459  
475 +
476 +
460 460  === 2.4.2  Version Info ===
461 461  
462 462  
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
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]])**.**
571 +(% 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]])**.**
555 555  )))
556 556  
557 557  
... ... @@ -652,12 +652,14 @@
652 652  )))
653 653  
654 654  
655 -== 2.6 Distance alarm function ==
656 656  
657 -➢ AT Command:
673 +== 2.6  Distance alarm function(Since firmware v1.3.2) ==
658 658  
659 -AT+ LDDSALARM=min,max
660 660  
676 +(% style="color:blue" %)** ➢ AT Command:**
677 +
678 +(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
679 +
661 661  ² When min=0, and max≠0, Alarm higher than max
662 662  
663 663  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -664,29 +664,39 @@
664 664  
665 665  ² When min≠0 and max≠0, Alarm higher than max or lower than min
666 666  
667 -Example:
668 668  
669 -AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
687 +(% style="color:blue" %)** Example:**
670 670  
689 +**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
671 671  
672 -== 2.7 Set the number of data to be uploaded and the recording time ==
673 673  
674 -➢ AT Command:
675 675  
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)
693 +== 2.7  Set the number of data to be uploaded and the recording time ==
677 677  
678 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
679 679  
680 -== 2.8 Read or Clear cached data ==
696 +(% style="color:blue" %)** ➢ AT Command:**
681 681  
682 -➢ AT Command:
698 +* (% 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)
699 +* (% 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.
683 683  
684 -AT+CDP ~/~/ Read cached data
701 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
685 685  
703 +[[image:image-20221009001114-1.png||height="687" width="955"]]
704 +
705 +
706 +
707 +== 2.8  Read or Clear cached data ==
708 +
709 +
710 +(% style="color:blue" %)** ➢ AT Command:**
711 +
712 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
713 +* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
714 +
686 686  [[image:image-20220908175333-2.png]]
687 687  
688 -AT+CDP=0 ~/~/ Clear cached data
689 689  
718 +
690 690  == 2.9  ​LED Indicator ==
691 691  
692 692  
... ... @@ -832,90 +832,90 @@
832 832  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]]
833 833  
834 834  
835 -AT+<CMD>?  : Help on <CMD>
864 +AT+<CMD>?  :  Help on <CMD>
836 836  
837 -AT+<CMD>         : Run <CMD>
866 +AT+<CMD>         :  Run <CMD>
838 838  
839 -AT+<CMD>=<value> : Set the value
868 +AT+<CMD>=<value> :  Set the value
840 840  
841 -AT+<CMD>=?  : Get the value
870 +AT+<CMD>=?  :  Get the value
842 842  
843 843  
844 844  (% style="color:#037691" %)**General Commands**(%%)      
845 845  
846 -AT  : Attention       
875 +AT  :  Attention       
847 847  
848 -AT?  : Short Help     
877 +AT?  :  Short Help     
849 849  
850 -ATZ  : MCU Reset    
879 +ATZ  :  MCU Reset    
851 851  
852 -AT+TDC  : Application Data Transmission Interval
881 +AT+TDC  :  Application Data Transmission Interval
853 853  
854 -AT+CFG  : Print all configurations
883 +AT+CFG  :  Print all configurations
855 855  
856 -AT+CFGMOD           : Working mode selection
885 +AT+CFGMOD           :  Working mode selection
857 857  
858 -AT+INTMOD            : Set the trigger interrupt mode
887 +AT+INTMOD            :  Set the trigger interrupt mode
859 859  
860 -AT+5VT  : Set extend the time of 5V power  
889 +AT+5VT  :  Set extend the time of 5V power  
861 861  
862 -AT+PRO  : Choose agreement
891 +AT+PRO  :  Choose agreement
863 863  
864 -AT+WEIGRE  : Get weight or set weight to 0
893 +AT+WEIGRE  :  Get weight or set weight to 0
865 865  
866 -AT+WEIGAP  : Get or Set the GapValue of weight
895 +AT+WEIGAP  :  Get or Set the GapValue of weight
867 867  
868 -AT+RXDL  : Extend the sending and receiving time
897 +AT+RXDL  :  Extend the sending and receiving time
869 869  
870 -AT+CNTFAC  : Get or set counting parameters
899 +AT+CNTFAC  :  Get or set counting parameters
871 871  
872 -AT+SERVADDR  : Server Address
901 +AT+SERVADDR  :  Server Address
873 873  
874 -AT+TR      : Get or Set record time"
903 +AT+TR  :  Get or Set record time"
875 875  
876 -AT+APN     : Get or set the APN
905 +AT+APN     :  Get or set the APN
877 877  
878 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
907 +AT+FBAND  :  Get or Set whether to automatically modify the frequency band
879 879  
880 -AT+DNSCFG  : Get or Set DNS Server
909 +AT+DNSCFG  : Get or Set DNS Server
881 881  
882 -AT+GETSENSORVALUE   : Returns the current sensor measurement
911 +AT+GETSENSORVALUE   :  Returns the current sensor measurement
883 883  
884 -AT+NOUD      : Get or Set the number of data to be uploaded
913 +AT+NOUD  :  Get or Set the number of data to be uploaded
885 885  
886 -AT+CDP     : Read or Clear cached data
915 +AT+CDP     :  Read or Clear cached data
887 887  
888 -AT+LDDSALARM : Get or Set alarm of distance
917 +AT+LDDSALARM :  Get or Set alarm of distance
889 889  
890 890  
891 891  (% style="color:#037691" %)**COAP Management**      
892 892  
893 -AT+URI            : Resource parameters
922 +AT+URI            :  Resource parameters
894 894  
895 895  
896 896  (% style="color:#037691" %)**UDP Management**
897 897  
898 -AT+CFM          : Upload confirmation mode (only valid for UDP)
927 +AT+CFM          :  Upload confirmation mode (only valid for UDP)
899 899  
900 900  
901 901  (% style="color:#037691" %)**MQTT Management**
902 902  
903 -AT+CLIENT               : Get or Set MQTT client
932 +AT+CLIENT  :  Get or Set MQTT client
904 904  
905 -AT+UNAME  : Get or Set MQTT Username
934 +AT+UNAME  :  Get or Set MQTT Username
906 906  
907 -AT+PWD                  : Get or Set MQTT password
936 +AT+PWD  :  Get or Set MQTT password
908 908  
909 -AT+PUBTOPIC  : Get or Set MQTT publish topic
938 +AT+PUBTOPIC  :  Get or Set MQTT publish topic
910 910  
911 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
940 +AT+SUBTOPIC  :  Get or Set MQTT subscription topic
912 912  
913 913  
914 914  (% style="color:#037691" %)**Information**          
915 915  
916 -AT+FDR  : Factory Data Reset
945 +AT+FDR  :  Factory Data Reset
917 917  
918 -AT+PWORD  : Serial Access Password
947 +AT+PWORD  :  Serial Access Password
919 919  
920 920  
921 921  
image-20221009001114-1.png
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