Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 104.4 >
edited by Xiaoling
on 2022/09/09 11:53
To version < 108.8 >
edited by Xiaoling
on 2022/11/04 15:36
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -71,6 +71,8 @@
71 71  * Micro SIM card slot for NB-IoT SIM
72 72  * 8500mAh Battery for long term use
73 73  
74 +
75 +
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -81,12 +81,12 @@
81 81  
82 82  (% style="color:#037691" %)**NB-IoT Spec:**
83 83  
84 -* - B1 @H-FDD: 2100MHz
85 -* - B3 @H-FDD: 1800MHz
86 -* - B8 @H-FDD: 900MHz
87 -* - B5 @H-FDD: 850MHz
88 -* - B20 @H-FDD: 800MHz
89 -* - B28 @H-FDD: 700MHz
86 +* B1 @H-FDD: 2100MHz
87 +* B3 @H-FDD: 1800MHz
88 +* B8 @H-FDD: 900MHz
89 +* B5 @H-FDD: 850MHz
90 +* B20 @H-FDD: 800MHz
91 +* B28 @H-FDD: 700MHz
90 90  
91 91  (% style="color:#037691" %)**Battery:**
92 92  
... ... @@ -101,6 +101,8 @@
101 101  * STOP Mode: 10uA @ 3.3v
102 102  * Max transmit power: 350mA@3.3v
103 103  
106 +
107 +
104 104  == ​1.4  Applications ==
105 105  
106 106  
... ... @@ -116,7 +116,6 @@
116 116  
117 117  
118 118  
119 -
120 120  == 1.5  Pin Definitions ==
121 121  
122 122  
... ... @@ -201,13 +201,13 @@
201 201  [[image:image-20220709092052-2.png]]
202 202  
203 203  
204 -**Connection:**
207 +(% style="color:blue" %)**Connection:**
205 205  
206 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
209 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
207 207  
208 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
211 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
209 209  
210 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
213 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
211 211  
212 212  
213 213  In the PC, use below serial tool settings:
... ... @@ -245,10 +245,10 @@
245 245  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
246 246  )))
247 247  * (((
248 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
251 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
249 249  )))
250 250  * (((
251 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
254 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
252 252  
253 253  
254 254  
... ... @@ -277,9 +277,9 @@
277 277  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
278 278  
279 279  
280 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
281 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
282 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
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
283 283  
284 284  [[image:1657330501006-241.png]]
285 285  
... ... @@ -291,13 +291,13 @@
291 291  === 2.2.6 Use MQTT protocol to uplink data ===
292 292  
293 293  
294 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
295 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
296 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
297 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
298 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
299 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
300 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
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
301 301  
302 302  [[image:1657249978444-674.png]]
303 303  
... ... @@ -314,8 +314,8 @@
314 314  === 2.2.7 Use TCP protocol to uplink data ===
315 315  
316 316  
317 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
318 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
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
319 319  
320 320  [[image:image-20220709093918-1.png]]
321 321  
... ... @@ -329,7 +329,7 @@
329 329  
330 330  User can use below command to change the (% style="color:green" %)**uplink interval**.
331 331  
332 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
335 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
333 333  
334 334  (((
335 335  
... ... @@ -337,9 +337,9 @@
337 337  
338 338  (% style="color:red" %)**NOTE:**
339 339  
340 -(% style="color:red" %)**1: By default, the device will send an uplink message every 1 hour.**
343 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
341 341  
342 -(% style="color:red" %)**2: When the firmware version is v1.3.2 and later firmware:**
345 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
343 343  )))
344 344  
345 345  (% 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).**
... ... @@ -349,7 +349,7 @@
349 349  == 2.3  Uplink Payload ==
350 350  
351 351  
352 -=== 2.3.1  Before Firmware 1.3.2 ===
355 +=== 2.3.1  Before Firmware v1.3.2 ===
353 353  
354 354  
355 355  In this mode, uplink payload includes in total 14 bytes
... ... @@ -361,7 +361,7 @@
361 361  |(% 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"]]
362 362  
363 363  (((
364 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
367 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
365 365  )))
366 366  
367 367  
... ... @@ -368,49 +368,37 @@
368 368  [[image:1657331036973-987.png]]
369 369  
370 370  
371 -(((
374 +
372 372  The payload is **ASCII** string, representative same HEX:
373 -)))
374 374  
375 -(((
376 -0x72403155615900640c6c19029200 where:
377 -)))
377 +(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
378 378  
379 -* (((
380 -Device ID: 0x724031556159 = 724031556159
381 -)))
382 -* (((
383 -Version:  0x0064=100=1.0.0
384 -)))
379 +**where :**
385 385  
386 -* (((
387 -BAT:  0x0c6c = 3180 mV = 3.180V
388 -)))
389 -* (((
390 -Signal: 0x19 = 25
391 -)))
392 -* (((
393 -Distance: 0x0292= 658 mm
394 -)))
395 -* (((
396 -Interrupt: 0x00 = 0
381 +* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
397 397  
383 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
398 398  
385 +* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
399 399  
387 +* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
400 400  
401 -
402 -)))
389 +* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
403 403  
404 -=== **2.3.2  Since firmware v1.3.2** ===
391 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
405 405  
406 406  
394 +
395 +=== 2.3.2  Since firmware v1.3.2 ===
396 +
397 +
407 407  In this mode, uplink payload includes 69 bytes in total by default.
408 408  
409 409  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.
410 410  
411 -(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
412 -|(% 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
413 -|(% 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.......
402 +(% border="1" style="background-color:#ffffcc; color:green; width:490px" %)
403 +|=(% scope="row" style="width: 60px;" %)**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:70px" %)**4**|(% style="width:40px" %)**2**|(% style="width:60px" %)**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.......
414 414  
415 415  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
416 416  
... ... @@ -419,23 +419,31 @@
419 419  
420 420  The payload is ASCII string, representative same HEX:
421 421  
422 -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:
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 (%%)**
423 423  
424 -* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
425 -* (% style="color:red" %)Version: 0x0084=132=1.3.2
426 -* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
427 -* (% style="color:blue" %)Singal: 0x1e = 30
428 -* (% style="color:red" %)Mod: 0x01 = 1
429 -* Interrupt: 0x00= 0
430 -* Distance: 0x0039= 57 = 57
431 -* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
432 -* Distance,Time stamp : 00396319baf0
433 -* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
415 +**where:**
434 434  
417 +* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
435 435  
419 +* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
436 436  
421 +* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
437 437  
423 +* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
438 438  
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 +
439 439  == 2.4  Payload Explanation and Sensor Interface ==
440 440  
441 441  
... ... @@ -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]])**.**
574 +(% 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  
... ... @@ -699,27 +699,27 @@
699 699  
700 700  (% style="color:blue" %)** ➢ AT Command:**
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)
701 +* (% 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)
702 +* (% 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.
703 703  
704 -(% 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.
704 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
705 705  
706 +[[image:image-20221009001114-1.png||height="687" width="955"]]
706 706  
707 707  
709 +
708 708  == 2.8  Read or Clear cached data ==
709 709  
710 710  
711 711  (% style="color:blue" %)** ➢ AT Command:**
712 712  
713 -(% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data
715 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
716 +* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
714 714  
715 -
716 716  [[image:image-20220908175333-2.png]]
717 717  
718 718  
719 -(% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/ Clear cached data
720 720  
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>
867 +AT+<CMD>?  :  Help on <CMD>
869 869  
870 -AT+<CMD>         : Run <CMD>
869 +AT+<CMD>         :  Run <CMD>
871 871  
872 -AT+<CMD>=<value> : Set the value
871 +AT+<CMD>=<value> :  Set the value
873 873  
874 -AT+<CMD>=?  : Get the value
873 +AT+<CMD>=?  :  Get the value
875 875  
876 876  
877 877  (% style="color:#037691" %)**General Commands**(%%)      
878 878  
879 -AT  : Attention       
878 +AT  :  Attention       
880 880  
881 -AT?  : Short Help     
880 +AT?  :  Short Help     
882 882  
883 -ATZ  : MCU Reset    
882 +ATZ  :  MCU Reset    
884 884  
885 -AT+TDC  : Application Data Transmission Interval
884 +AT+TDC  :  Application Data Transmission Interval
886 886  
887 -AT+CFG  : Print all configurations
886 +AT+CFG  :  Print all configurations
888 888  
889 -AT+CFGMOD           : Working mode selection
888 +AT+CFGMOD           :  Working mode selection
890 890  
891 -AT+INTMOD            : Set the trigger interrupt mode
890 +AT+INTMOD            :  Set the trigger interrupt mode
892 892  
893 -AT+5VT  : Set extend the time of 5V power  
892 +AT+5VT  :  Set extend the time of 5V power  
894 894  
895 -AT+PRO  : Choose agreement
894 +AT+PRO  :  Choose agreement
896 896  
897 -AT+WEIGRE  : Get weight or set weight to 0
896 +AT+WEIGRE  :  Get weight or set weight to 0
898 898  
899 -AT+WEIGAP  : Get or Set the GapValue of weight
898 +AT+WEIGAP  :  Get or Set the GapValue of weight
900 900  
901 -AT+RXDL  : Extend the sending and receiving time
900 +AT+RXDL  :  Extend the sending and receiving time
902 902  
903 -AT+CNTFAC  : Get or set counting parameters
902 +AT+CNTFAC  :  Get or set counting parameters
904 904  
905 -AT+SERVADDR  : Server Address
904 +AT+SERVADDR  :  Server Address
906 906  
907 -AT+TR      : Get or Set record time"
906 +AT+TR  :  Get or Set record time"
908 908  
909 -AT+APN     : Get or set the APN
908 +AT+APN     :  Get or set the APN
910 910  
911 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
910 +AT+FBAND  :  Get or Set whether to automatically modify the frequency band
912 912  
913 -AT+DNSCFG  : Get or Set DNS Server
912 +AT+DNSCFG  : Get or Set DNS Server
914 914  
915 -AT+GETSENSORVALUE   : Returns the current sensor measurement
914 +AT+GETSENSORVALUE   :  Returns the current sensor measurement
916 916  
917 -AT+NOUD      : Get or Set the number of data to be uploaded
916 +AT+NOUD  :  Get or Set the number of data to be uploaded
918 918  
919 -AT+CDP     : Read or Clear cached data
918 +AT+CDP     :  Read or Clear cached data
920 920  
921 -AT+LDDSALARM : Get or Set alarm of distance
920 +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
925 +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)
930 +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
935 +AT+CLIENT  :  Get or Set MQTT client
937 937  
938 -AT+UNAME  : Get or Set MQTT Username
937 +AT+UNAME  :  Get or Set MQTT Username
939 939  
940 -AT+PWD                  : Get or Set MQTT password
939 +AT+PWD  :  Get or Set MQTT password
941 941  
942 -AT+PUBTOPIC  : Get or Set MQTT publish topic
941 +AT+PUBTOPIC  :  Get or Set MQTT publish topic
943 943  
944 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
943 +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
948 +AT+FDR  :  Factory Data Reset
950 950  
951 -AT+PWORD  : Serial Access Password
950 +AT+PWORD  :  Serial Access Password
952 952  
953 953  
954 954  
image-20221009001114-1.png
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