Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 83.7 >
edited by Xiaoling
on 2022/12/08 11:20
To version < 81.1 >
edited by Xiaoling
on 2022/12/07 18:03
>
Change comment: Uploaded new attachment "1670407401682-959.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -4,7 +4,6 @@
4 4  
5 5  **Table of Contents：**
6 6  
7 -{{toc/}}
8 8  
9 9  
10 10  
... ... @@ -17,6 +17,7 @@
17 17  (((
18 18  The Dragino NMDS200 is a(% style="color:blue" %)** NB-IoT Microwave Radar distance sensor**(%%). It uses (% style="color:blue" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:blue" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor.
19 19  
19 +
20 20  The NMDS200 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
21 21  
22 22  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
... ... @@ -33,6 +33,7 @@
33 33  )))
34 34  
35 35  
36 +
36 36  == ​1.2  Features ==
37 37  
38 38  
... ... @@ -50,6 +50,7 @@
50 50  * Micro SIM card slot for NB-IoT SIM
51 51  * 8500mAh Battery for long-term use
52 52  
54 +
53 53  == 1.3 Radar probe specification ==
54 54  
55 55  
... ... @@ -62,6 +62,8 @@
62 62  * Horizontal Angel: 78°
63 63  * Vertical Angel: 23°
64 64  
67 +
68 +
65 65  == 1.4  Storage Temperature ==
66 66  
67 67  
... ... @@ -68,9 +68,13 @@
68 68   -40°C to +85°C
69 69  
70 70  
75 +
76 +
77 +
71 71  == 1.5 ​ Applications ==
72 72  
73 73  
81 +
74 74  * Horizontal distance measurement
75 75  * Liquid level measurement
76 76  * Parking management system
... ... @@ -81,6 +81,7 @@
81 81  * Sewer
82 82  * Bottom water level monitoring
83 83  
92 +
84 84  == 1.6  Specification ==
85 85  
86 86  
... ... @@ -98,6 +98,7 @@
98 98  * B20 @H-FDD: 800MHz
99 99  * B28 @H-FDD: 700MHz
100 100  
110 +
101 101  == 1.7  Installation ==
102 102  
103 103  
... ... @@ -137,7 +137,7 @@
137 137  
138 138  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
139 139  
140 -[[image:image-20221208090742-1.png]]
150 +[[image:image-20221207173300-4.png]]
141 141  
142 142  
143 143  === 2.2.1 Insert NB-IoT SIM card ===
... ... @@ -193,7 +193,7 @@
193 193  (% style="color:red" %)**Note: if you don't have a CoAP server, you can refer this link to set up a CoAP server: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
194 194  
195 195  
196 -(% style="color:blue" %)**Use below commands in NMDS200:**
206 +(% style="color:blue" %)**Use below commands in NDS03A:**
197 197  
198 198  * (% style="color:#037691" %)**AT+PRO=1**                (%%) ~/~/ Set to use CoAP protocol to uplink
199 199  
... ... @@ -296,13 +296,13 @@
296 296  
297 297  (% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
298 298  |=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:50px" %)**1**|(% style="width:90px" %)**2**|(% style="width:100px" %)**2**
299 -|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0Distance"]] |(% style="width:93px" %) [[Distance 2>>||anchor="H2.4.5A0Distance"]]
309 +|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) Distance 1 |(% style="width:93px" %) Distance  2
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:471px" %)
302 -|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:98px" %)(((
311 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
312 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
303 303  **1-32 group**
304 304  )))
305 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:98px" %)...
315 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
306 306  
307 307  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
308 308  
... ... @@ -333,6 +333,8 @@
333 333  
334 334  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
335 335  
346 +
347 +
336 336  == 2.4  Payload Explanation and Sensor Interface ==
337 337  
338 338  === 2.4.1  Device ID ===
... ... @@ -354,13 +354,13 @@
354 354  
355 355  Specify the software version: 0x64=100, which means firmware version 1.00.
356 356  
357 -For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
369 +For example 0x00 64 : This device is NDS03A 1 with firmware version 1.0.0.
358 358  
359 359  
360 360  === 2.4.3  Battery Info ===
361 361  
362 362  
363 -Check the battery voltage for NMDS200.
375 +Check the battery voltage for NDS03A.
364 364  
365 365  Ex1: 0x0B45 = 2885mV
366 366  
... ... @@ -372,49 +372,51 @@
372 372  
373 373  NB-IoT Network signal Strength.
374 374  
375 -(% style="color:blue" %)**Ex1: 0x1d = 29**
387 +**Ex1: 0x1d = 29**
376 376  
377 -(% style="color:#037691" %)**0** (%%) -113dBm or less
389 +**0**  -113dBm or less
378 378  
379 -(% style="color:#037691" %)**1**  (%%) -111dBm
391 +**1**  -111dBm
380 380  
381 -(% style="color:#037691" %)**2...30** (%%) -109dBm... -53dBm
393 +**2...30** -109dBm... -53dBm
382 382  
383 -(% style="color:#037691" %)**31** (%%) -51dBm or greater
395 +**31**   -51dBm or greater
384 384  
385 -(% style="color:#037691" %)**99** (%%) Not known or not detectable
397 +**99**    Not known or not detectable
386 386  
387 387  
388 -=== 2.4.5  Distance ===
400 +=== 2.4.5  Disalarm: (default: 0) ===
389 389  
390 390  
391 -[[image:1670407401682-959.png]]
403 +(% style="color:blue" %)**If Disalarm = 1**(%%), NDS03A will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse.
392 392  
405 +(% style="color:blue" %)**If Disalarm = 0**(%%), NDS03A will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time.
393 393  
394 -(% style="color:blue" %)**Object1 Distance:**
407 + (% style="color:red" %)**Note:**(%%) When Disalarm=0, a high frequently open/close event will cause lots of uplink and drain battery very fast.
395 395  
396 -Distance between sensor probe to the first object. (unit: cm)
397 397  
398 -For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is
410 +=== 2.4.6  Keep Status & Keep Time ===
399 399  
400 -(% style="color:blue" %)**0205(H) = 517 (D) = 517 cm.**
401 401  
413 +Shows the configure value of Alarm Base on Timeout Feature
402 402  
403 -(% style="color:blue" %)**Object2 Distance:**
404 404  
405 -Distance between sensor probe to the second object. (unit: cm)
416 +=== 2.4.7  Timestamp ===
406 406  
407 407  
408 -=== 2.4.6  Timestamp ===
419 +Timestamp : 0x6315537b =1662342011
409 409  
410 410  
411 -Timestamp : 0x6315537b =1662342011
422 +=== 2.4.8  Switch Dual Channel Mode ===
412 412  
413 413  
425 +NDS03A can connect two door sensors. Another door sensor can be connected to PB15 pin. Both channels support alarm function.
426 +
427 +
414 414  == 2.5  Downlink Payload ==
415 415  
416 416  
417 -By default, NMDS200 prints the downlink payload to console port.
431 +By default, NDS03A prints the downlink payload to console port.
418 418  
419 419  [[image:image-20221021111414-18.png]] ​
420 420  
... ... @@ -431,7 +431,7 @@
431 431  
432 432  * (% style="color:#037691" %)**Reset**
433 433  
434 -If payload = 0x04FF, it will reset the NMDS200
448 +If payload = 0x04FF, it will reset the NDS03A
435 435  
436 436  * (% style="color:#037691" %)**INTMOD**
437 437  
... ... @@ -441,33 +441,112 @@
441 441  == 2.6  ​LED Indicator ==
442 442  
443 443  
444 -The NMDS200 has an internal LED which is to show the status of different states.
458 +The NDS03A has an internal LED which is to show the status of different states.
445 445  
446 446  * When the device starts normally, the LED will light up for 1 second.
447 -* After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
461 +* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
448 448  * For each uplink probe, LED will be on for 500ms.
449 449  
464 +== 2.7  Alarm Base on Timeout ==
450 450  
451 -== 2.7  Distance alarm function ==
452 452  
467 +NDS03A can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are:
453 453  
454 -(% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
455 455  
456 -(% style="color:#037691" %)**Example 1:**
470 +(% style="color:blue" %)**1. Keep Status: Status to be monitor**
457 457  
458 -AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
472 +Keep Status = 1: Monitor Close to Open event
459 459  
460 -AT+ ALARM2 =min,max
474 +Keep Status = 0: Monitor Open to Close event
461 461  
462 462  
463 -(% style="color:#037691" %)**Example 2:**
477 +(% style="color:blue" %)**2. Keep Time: Timeout to send an Alarm**
464 464  
465 -AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
479 +Range 0 ~~ 65535(0xFFFF) seconds.
466 466  
481 +If keep time = 0, Disable Alarm Base on Timeout feature.
467 467  
468 -== 2.8  Set the number of data to be uploaded and the recording time ==
483 +If keep time > 0, device will monitor the keep status event and send an alarm when status doesn't change after timeout.
469 469  
470 470  
486 +(% style="color:blue" %)**AT Command to configure:**
487 +
488 +(% style="color:blue" %)**PB14 PIN:**
489 +
490 +(% style="color:#037691" %)**AT+TTRIG=1,30** (%%) **~-~->**  When the **Keep Status** change from connected to disconnect, and device remains in disconnect status for more than 30 seconds. NDS03A will send an uplink packet, the [[Alarm bit>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.3Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2]] (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1.
491 +
492 +(% style="color:#037691" %)**AT+TTRIG=0,0 ** (%%) **~-~->** Default Value, disable timeout Alarm.
493 +
494 +
495 +(% style="color:blue" %)**PB15 PIN:**
496 +
497 +(% style="color:#037691" %)**AT+TTRIG2=1,30**
498 +
499 +(% style="color:#037691" %)**AT+TTRIG2=0,0 **
500 +
501 +
502 +== 2.8  Set debug mode ==
503 +
504 +
505 +Feature: Enable or Disable debug mode
506 +
507 +(% style="color:blue" %)**AT Command: AT+DEBUG**
508 +
509 +[[image:image-20221021111629-21.png]]
510 +
511 +
512 +
513 +== 2.9  Clear Flash Record ==
514 +
515 +
516 +Feature: Clear flash storage for data log feature.
517 +
518 +(% style="color:blue" %)**AT Command: AT+CLRDTA**
519 +
520 +[[image:image-20221021111527-19.png]]
521 +
522 +
523 +== 2.10  Count Mod ==
524 +
525 +
526 +(% style="color:blue" %)**AT Command: AT+COUNTMOD**
527 +
528 +[[image:image-20221118092935-1.png]]
529 +
530 +
531 +== 2.11  Interrupt Pin Channel Mod ==
532 +
533 +
534 +(% style="color:blue" %)**AT Command: AT+TTRCHANNEL**
535 +
536 +[[image:image-20221118093144-2.png]]
537 +
538 +
539 +== 2.12 TTRIG1/2 timeout status alarm ==
540 +
541 +
542 +It needs to be used with AT+TTRIG1 or AT+TTRIG2. When TTRIG1 or TTRIG2 times out and causes an alarm, and the status does not change subsequently, an alarm packet will be sent at the alarm interval.
543 +
544 +(% style="color:blue" %)**AT Command: AT+TTRALARM**
545 +
546 +[[image:image-20221118093512-3.png]]
547 +
548 +
549 +== 2.13  Select counting mode ==
550 +
551 +
552 +(% style="color:blue" %)**AT Command: AT+TTRMODx=a,b**
553 +
554 +When (% style="color:red" %)**a=0**(%%), the door is opened to count, and when (% style="color:red" %)**a=1**(%%),the closed door is counted.
555 +
556 +When (% style="color:red" %)**b=0**(%%), it is the last door open duration, and when (% style="color:red" %)**b=1**(%%),the last door close duration.
557 +
558 +[[image:image-20221118093658-4.png]]
559 +
560 +
561 +== 2.14  Set the number of data to be uploaded and the recording time ==
562 +
563 +
471 471  (% style="color:blue" %)**AT Command:**
472 472  
473 473  (% 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)
... ... @@ -475,7 +475,7 @@
475 475  (% style="color:#037691" %)**AT+NOUD=8**(%%)** ** ~/~/  The device uploads 0 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
476 476  
477 477  
478 -== 2.9  Read or Clear cached data ==
571 +== 2.15  Read or Clear cached data ==
479 479  
480 480  
481 481  (% style="color:blue" %)**AT Command:**
... ... @@ -484,10 +484,10 @@
484 484  
485 485  (% style="color:#037691" %)**AT+CDP=0**  (%%) ~/~/ Clear cached data ​
486 486  
487 -[[image:1670408172929-569.png]]
580 +[[image:image-20221118094227-5.png]]
488 488  
489 489  
490 -== 2.10  ​Firmware Change Log ==
583 +== 2.16  ​Firmware Change Log ==
491 491  
492 492  
493 493  Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
... ... @@ -495,12 +495,12 @@
495 495  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
496 496  
497 497  
498 -== 2.11  ​Battery Analysis ==
591 +== 2.17  ​Battery Analysis ==
499 499  
500 -=== 2.11.1  ​Battery Type ===
593 +=== 2.17.1  ​Battery Type ===
501 501  
502 502  
503 -The NMDS200 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
596 +The NDS03A battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
504 504  
505 505  The battery is designed to last for several years depends on the actual use environment and update interval. 
506 506  
... ... @@ -515,7 +515,7 @@
515 515  [[image:image-20221021111911-26.png]] ​
516 516  
517 517  
518 -=== 2.11.2  Power consumption Analyze ===
611 +=== 2.17.2  Power consumption Analyze ===
519 519  
520 520  
521 521  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.
... ... @@ -537,16 +537,16 @@
537 537  [[image:1666596205057-567.png]] ​
538 538  
539 539  
540 -=== 2.11.3  ​Battery Note ===
633 +=== 2.17.3  ​Battery Note ===
541 541  
542 542  
543 543  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.
544 544  
545 545  
546 -=== 2.11.4  Replace the battery ===
639 +=== 2.17.4  Replace the battery ===
547 547  
548 548  
549 -The default battery pack of NMDS200 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).
642 +The default battery pack of NDS03A 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).
550 550  
551 551  
552 552  = 3. ​ Access NB-IoT Module =
... ... @@ -600,51 +600,57 @@
600 600  
601 601  AT+SERVADDR  : Server Address
602 602  
603 -AT+TR      :  Get or Set record time
696 +AT+TR      :  Get or Set record time
604 604  
605 -AT+NOUD :  Get or Set the number of data to be uploaded
698 +AT+NOUD      : Get or Set the number of data to be uploaded
606 606  
607 607  AT+CDP     :  Read or Clear cached data
608 608  
609 -AT+DEBUG:  Enable or Disable debug mode
702 +AT+ DEBUG   : Enable or Disable debug mode
610 610  
611 -AT+ALARM1:  Get or Set alarm of distance1
704 +AT+ TTRIG1   : Get or Set PB14 PIN Alarm Base on Timeout
612 612  
613 -AT+ALARM2:  Get or Set alarm of distance2
706 +AT+ TTRIG2   : Get or Set PB15 PIN Alarm Base on Timeout
614 614  
615 -AT+GETSENSORVALUE :  Returns the current sensor measurement
708 +AT+COUNTMOD  :  Get or Set the count mode
616 616  
617 -AT+POWERIC :  Get or set the Power IC flag
710 +AT+TTRCHANNEL  : Get or Set the number of interrupt channels
618 618  
712 +AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute)
619 619  
714 +AT+DISALARM  : Enable/Disable Alarm for door open/close or water leak event
715 +
716 +AT+ CLRC   :  Clear current door open count
717 +
718 +
620 620  (% style="color:blue" %)**COAP Management**      
621 621  
622 -AT+URI :  Resource parameters
721 +AT+URI            : Resource parameters
623 623  
624 624  
625 625  (% style="color:blue" %)**UDP Management**
626 626  
627 -AT+CFM :  Upload confirmation mode (only valid for UDP)
726 +AT+CFM          : Upload confirmation mode (only valid for UDP)
628 628  
629 629  
630 630  (% style="color:blue" %)**MQTT Management**
631 631  
632 -AT+CLIENT  : Get or Set MQTT client
731 +AT+CLIENT               : Get or Set MQTT client
633 633  
634 -AT+UNAME : Get or Set MQTT Username
733 +AT+UNAME  : Get or Set MQTT Username
635 635  
636 -AT+PWD  :  Get or Set MQTT password
735 +AT+PWD                  : Get or Set MQTT password
637 637  
638 -AT+PUBTOPIC :  Get or Set MQTT publish topic
737 +AT+PUBTOPIC  : Get or Set MQTT publish topic
639 639  
640 -AT+SUBTOPIC :  Get or Set MQTT subscription topic
739 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
641 641  
642 642  
643 643  (% style="color:blue" %)**Information**          
644 644  
645 -AT+FDR :  Factory Data Reset
744 +AT+FDR  : Factory Data Reset
646 646  
647 -AT+PWORD :  Serial Access Password
746 +AT+PWORD  : Serial Access Password
648 648  
649 649  
650 650  = ​5.  FAQ =
... ... @@ -656,7 +656,7 @@
656 656  
657 657  Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
658 658  
659 -(% style="color:red" %)**Notice: **(% style="color:blue" %)**NMDS200** (%%)**and (% style="color:blue" %)LMDS200(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
758 +(% style="color:red" %)**Notice: **(% style="color:blue" %)**NDS03A** (%%)**and (% style="color:blue" %)LDS03A(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
660 660  
661 661  
662 662  = 6.  Trouble Shooting =
... ... @@ -676,7 +676,7 @@
676 676  = 7. ​ Order Info =
677 677  
678 678  
679 -Part Number:(% style="color:blue" %)** NMDS200**
778 +Part Number**:** NDS03A
680 680  
681 681  
682 682  = 8.  Packing Info =
... ... @@ -684,7 +684,7 @@
684 684  
685 685  (% style="color:blue" %)**Package Includes**:
686 686  
687 -* NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
786 +* NDS03A Open/Close Door Sensor x 1
688 688  
689 689  = 9.  Support =
690 690  
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