Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 70.3 >
edited by Xiaoling
on 2022/11/18 10:40
To version < 75.1 >
edited by Xiaoling
on 2022/12/07 17:32
>
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Summary

Details

Page properties
Title
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1 -NDS03A - Outdoor NB-IoT Open/Close Door Sensor User Manual
1 +NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
Content
... ... @@ -1,55 +1,35 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20221117105556-1.png]]
2 +[[image:LMDS200_10.jpg]]
3 3  
4 4  
5 -
6 -
7 -
8 -
9 -
10 10  **Table of Contents：**
11 11  
12 -{{toc/}}
13 13  
14 14  
15 15  
16 16  
17 -
18 18  = 1.  Introduction =
19 19  
20 -== 1.1 ​ What is NDS03A NB-IoT Open/Close Door Sensor ==
13 +== 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
21 21  
22 22  
23 23  (((
24 -The Dragino NDS03A is an (% style="color:blue" %)**Open/Close NB-IoT Door Sensor**(%%). It detects door (% style="color:blue" %)**open/close status**(%%) and (% style="color:blue" %)**uplinks**(%%) to IoT server via NB-IoT network. NDS03A can connect two door sensors. user can see the door status, open duration, open counts in the IoT Server.
25 -)))
17 +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.
26 26  
27 -(((
28 -The NDS03A will send periodically data (% style="color:blue" %)**every 4 hours** (%%)as well as for each door open/close action. It also counts the door open times and calculates the last door open duration. Users can also disable the uplink for each open/close event, instead, NDS03A can count each open event and uplink periodically.
29 -)))
30 30  
31 -(((
32 -NDS03A has a (% style="color:blue" %)**Datalog feature**(%%), it will record the open/close event and the user can retrieve the history from NB-IoT.
33 -)))
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.
34 34  
35 -(((
36 -NDS03A has the(% style="color:blue" %)**open alarm feature**(%%), user can set this feature so the device will send an alarm if the door has been open for a certain time.
37 -)))
22 +NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
38 38  
39 -(((
40 -NDS03A is designed for outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures.
41 -)))
24 +NMDS200 (% style="color:blue" %)**supports Alarm Feature**(%%), user can set the NMDS200 to uplink data in a short interval when the distance is out of configured range.
42 42  
43 -(((
44 -NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**standards-based low power wide area (LPWA) technologyTCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
45 -)))
26 +NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**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.
46 46  
47 -(((
48 -NDS03A is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
49 -)))
28 +NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
50 50  
51 -(((
52 -To use NDS03A, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NDS03A supports. If local operator support it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card**(%%) from the operator and install into NDS03A to get NB-IoT network connection.
30 +NMDS200 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**,(%%) It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
31 +
32 +To use NMDS200, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NMDS200 supports. If local operator support it, user needs to get a** (% style="color:blue" %)NB-IoT SIM card(%%)** from the operator and install into NMDS200 to get NB-IoT network connection.
53 53  )))
54 54  
55 55  
... ... @@ -58,10 +58,9 @@
58 58  
59 59  
60 60  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
61 -* Open/Close detect
62 -* Open/Close statistics
41 +* Short uplink interval for Distance Alarm
63 63  * Monitor Battery Level
64 -* connect two door sensors
43 +* Microwave Radar for distance detection
65 65  * Datalog feature
66 66  * Uplink periodically
67 67  * Downlink to change configure
... ... @@ -74,22 +74,27 @@
74 74  
75 75  
76 76  
77 -== 1.3  Storage & Operation ==
56 +== 1.3 Radar probe specification ==
78 78  
79 79  
80 -Temperature -40°C to +85°C
59 +* Measuring Method: FMCW
60 +* Frequency: 24.000 24.500 GHz
61 +* Measurement output power: 6dBm
62 +* Measure range: 0.5 20m
63 +* Accuracy: ±0.1m
64 +* Resolution: 0.01m
65 +* Horizontal Angel: 78°
66 +* Vertical Angel: 23°
81 81  
82 82  
83 -== 1.4  Mechanical ==
84 84  
85 85  
86 -[[image:image-20221117114937-4.png]]
71 +== 1.4  Storage Temperature ==
87 87  
88 88  
89 -[[image:image-20221117114949-5.png]]
74 + -40°C to +85°C
90 90  
91 91  
92 -[[image:image-20221117115010-6.png]]
93 93  
94 94  
95 95  
... ... @@ -96,10 +96,19 @@
96 96  == 1.5 ​ Applications ==
97 97  
98 98  
99 -[[image:image-20221117114842-3.png]]
100 100  
84 +* Horizontal distance measurement
85 +* Liquid level measurement
86 +* Parking management system
87 +* Object proximity and presence detection
88 +* Intelligent trash can management system
89 +* Robot obstacle avoidance
90 +* Automatic control
91 +* Sewer
92 +* Bottom water level monitoring
101 101  
102 102  
95 +
103 103  == 1.6  Specification ==
104 104  
105 105  
... ... @@ -106,77 +106,43 @@
106 106  (% style="color:blue" %)**Common DC Characteristics:**
107 107  
108 108  * Supply Voltage: 2.1v ~~ 3.6v
109 -* Operating Temperature: -40 ~~ 85°C
102 +* Operating Temperature: 0 ~~ 70°C
110 110  
111 111  (% style="color:blue" %)**NB-IoT Spec:**
112 112  
113 -* - B1 @H-FDD: 2100MHz
114 -* - B3 @H-FDD: 1800MHz
115 -* - B8 @H-FDD: 900MHz
116 -* - B5 @H-FDD: 850MHz
117 -* - B20 @H-FDD: 800MHz
118 -* - B28 @H-FDD: 700MHz
106 +* B1 @H-FDD: 2100MHz
107 +* B3 @H-FDD: 1800MHz
108 +* B8 @H-FDD: 900MHz
109 +* B5 @H-FDD: 850MHz
110 +* B20 @H-FDD: 800MHz
111 +* B28 @H-FDD: 700MHz
119 119  
120 120  
121 121  
122 -== 1.7  Pin Definitions and Switch ==
115 +== 1.7  Installation ==
123 123  
124 124  
125 -[[image:image-20221021110429-4.png]]
118 +Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
126 126  
127 127  
128 -=== 1.7.1  Pin Definition ===
121 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
129 129  
130 130  
131 -The device is pre-configured to connect to a door sensor. The other pins are not used. If user wants to know more about other pins, please refer to the user manual of LSN50v2 at:  [[https:~~/~~/www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0>>https://www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0]]
132 132  
125 +== 1.8  Pin Definitions and Switch ==
133 133  
134 -=== 1.7.2  Jumper JP2(Power ON/OFF) ===
135 135  
128 +[[image:1670404362039-351.png]]
136 136  
137 -Power on Device when putting this jumper.
138 138  
131 += 2.  Use NMDS200 to communicate with IoT Server =
139 139  
140 -=== 1.7.3  BOOT MODE / SW1 ===
141 -
142 -
143 -1)  ISP:  upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. The firmware won't run.
144 -
145 -2)  Flash:  working mode, the device starts to work for NB-IoT connection and sends out console output for further debugging.
146 -
147 -
148 -=== 1.7.4  Reset Button ===
149 -
150 -
151 -Press to reboot the device.
152 -
153 -
154 -=== 1.7.5  LED ===
155 -
156 -
157 -The LED will blink when :
158 -
159 -1.  Boot the device in flash mode
160 -
161 -2.  Send an uplink packet
162 -
163 -
164 -== 1.8  Magnet Distance ==
165 -
166 -
167 -(% style="color:blue" %)**Wood Door:**(%%) 10 ~~ 30mm
168 -
169 -(% style="color:blue" %)**Iron Door:**(%%)**    **30 ~~ 45mm
170 -
171 -
172 -= 2.  Use NDS03A to communicate with IoT Server =
173 -
174 174  == 2.1  How it works ==
175 175  
176 176  
177 -In this user case, the NDS03A is installed on the door edge to detect the open/close event and send the status to the NB-IoT server. The NB-IoT network will forward this value to IoT server via the protocol defined by NDS03A.
136 +The NB-IoT network will forward this value to IoT server via the protocol defined by NMDS200.
178 178  
179 -The diagram below shows the working flow in the default firmware of NDS03A:
138 +The diagram below shows the working flow in the default firmware of NMDS200:
180 180  
181 181  [[image:image-20221021110615-5.png]]
182 182  
... ... @@ -268,7 +268,6 @@
268 268  [[image:image-20221118103547-9.png||height="605" width="837"]] ​
269 269  
270 270  
271 -
272 272  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
273 273  
274 274  
... ... @@ -287,7 +287,6 @@
287 287  
288 288  ​
289 289  
290 -
291 291  === 2.2.6 Use MQTT protocol to uplink data ===
292 292  
293 293  
... ... @@ -317,7 +317,6 @@
317 317  MQTT protocol has a much higher power consumption compare with UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
318 318  
319 319  
320 -
321 321  === 2.2.7 Use TCP protocol to uplink data ===
322 322  
323 323  
... ... @@ -333,7 +333,6 @@
333 333  
334 334  ​
335 335  
336 -
337 337  === 2.2.8 Change Update Interval ===
338 338  
339 339  
... ... @@ -346,7 +346,6 @@
346 346  1.  By default, the device will send an uplink message every 4 hour.
347 347  
348 348  
349 -
350 350  == 2.3  Uplink Payload ==
351 351  
352 352  
... ... @@ -356,34 +356,32 @@
356 356  
357 357  (% style="color:blue" %)**When AT+TTRCHANNEL=1:**
358 358  
359 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:693px" %)
360 -|=(% scope="row" style="width: 93px;" %)**Size(bytes)**|(% style="width:67px" %)**8**|(% style="width:40px" %)**2**|(% style="width:45px" %)**2**|(% style="width:75px" %)**1**|(% style="width:54px" %)**1**|(% style="width:62px" %)**1**|(% style="width:60px" %)**1**|(% style="width:94px" %)**3**|(% style="width:93px" %)**3**
313 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
314 +|=(% 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:60px" %)**1**|(% style="width:90px" %)**3**|(% style="width:100px" %)**3**
361 361  |=(% 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" %)Door Status|(% style="width:60px" %)[[Alarm Status>>||anchor="H2.7A0AlarmBaseonTimeout"]]|(% style="width:94px" %)door open num(pb14) |(% style="width:93px" %)last open time(pb14)
362 362  
363 -(% border="1.5" style="background-color:#ffffcc; color:green; width:490px" %)
364 -|(% style="width:50px" %)**4**|(% style="width:70px" %)**1**|(% style="width:50px" %)**3**|(% style="width:99px" %)**3**|(% style="width:67px" %)4|(% style="width:50px" %)(((
317 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
318 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**1**|(% style="width:90px" %)**3**|(% style="width:90px" %)**3**|(% style="width:60px" %)4|(% style="width:50px" %)(((
365 365  **1-32 group**
366 366  )))
367 367  |(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]|(% style="width:115px" %)Door Status(pb14)|(% style="width:92px" %)door open num(pb14)|(% style="width:99px" %)last open time(pb14)|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
368 368  
369 -
370 -
371 371  (% style="color:blue" %)**When AT+TTRCHANNEL=2:**
372 372  
373 373  
374 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
375 -|=(% scope="row" style="width: 96px;" %)**Size(bytes)**|(% style="width:66px" %)**8**|(% style="width:40px" %)**2**|(% style="width:46px" %)**2**|(% style="width:70px" %)**1**|(% style="width:54px" %)**1**|(% style="width:55px" %)**1**|(% style="width:57px" %)**1**|(% style="width:86px" %)**3**|(% style="width:82px" %)**3**
326 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
327 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:45px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:60px" %)**1**|(% style="width:60px" %)**1**|(% style="width:87px" %)**3**|(% style="width:80px" %)**3**
376 376  |=(% style="width: 96px;" %)**Value**|(% style="width:66px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:70px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:55px" %)Door Status(pb14)|(% style="width:57px" %)[[Alarm Status>>||anchor="H2.7A0AlarmBaseonTimeout"]](pb14)|(% style="width:86px" %)door open num(pb14) |(% style="width:82px" %)last open time(pb14)
377 377  
378 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
379 -|(% style="width:59px" %)**1**|(% style="width:67px" %)**1**|(% style="width:88px" %)**3**|(% style="width:81px" %)**3**|(% style="width:50px" %)**4**|(% style="width:66px" %)**1**|(% style="width:92px" %)**3**
330 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
331 +|(% style="width:80px" %)**1**|(% style="width:80px" %)**1**|(% style="width:88px" %)**3**|(% style="width:81px" %)**3**|(% style="width:50px" %)**4**|(% style="width:75px" %)**1**|(% style="width:75px" %)**3**
380 380  |(% style="width:59px" %)Door Status(pb15)|(% style="width:67px" %)[[Alarm Status>>||anchor="H2.7A0AlarmBaseonTimeout"]](pb15)|(% style="width:88px" %)door open num(pb15)|(% style="width:81px" %)last open time(pb15)|(% style="width:50px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]|(% style="width:66px" %)Door Status(pb14)|(% style="width:92px" %)door open num(pb14)
381 381  
382 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
383 -|(% style="width:102px" %)**3**|(% style="width:93px" %)**1**|(% style="width:91px" %)**3**|(% style="width:88px" %)**3**|(% style="width:63px" %)**4**|(% style="width:87px" %)(((
334 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
335 +|(% style="width:100px" %)**3**|(% style="width:80px" %)**1**|(% style="width:90px" %)**3**|(% style="width:90px" %)**3**|(% style="width:70px" %)**4**|(% style="width:80px" %)(((
384 384  **1-32 group**
385 385  )))
386 -|(% style="width:102px" %)last open time (pb14)|(% style="width:93px" %)Door Status(pb15)|(% style="width:91px" %)door open num(pb15)|(% style="width:88px" %)last open time(pb15)|(% style="width:63px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]|(% style="width:87px" %)......
338 +|(% style="width:102px" %)last open time(pb14)|(% style="width:93px" %)Door Status(pb15)|(% style="width:91px" %)door open num(pb15)|(% style="width:100px" %)last open time(pb15)|(% style="width:63px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]|(% style="width:87px" %)......
387 387  
388 388  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDS03A uplink data.
389 389  
... ... @@ -412,12 +412,10 @@
412 412  
413 413  * (% style="color:#037691" %)**door open num: **(%%)0x000016 =22
414 414  
415 -* (% style="color:#037691" %)**last open time:  **(%%)0x000017 =23
367 +* (% style="color:#037691" %)**last open time:   **(%%)0x000017 =23
416 416  
417 417  * (% style="color:#037691" %)**Timestamp:**(%%) 0x637590df =1668649183 (Unix Time)
418 418  
419 -
420 -
421 421  == 2.4  Payload Explanation and Sensor Interface ==
422 422  
423 423  === 2.4.1  Device ID ===
... ... @@ -534,8 +534,6 @@
534 534  * After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
535 535  * For each uplink probe, LED will be on for 500ms.
536 536  
537 -
538 -
539 539  == 2.7  Alarm Base on Timeout ==
540 540  
541 541  
... ... @@ -595,7 +595,6 @@
595 595  [[image:image-20221021111527-19.png]]
596 596  
597 597  
598 -
599 599  == 2.10  Count Mod ==
600 600  
601 601  
... ... @@ -604,7 +604,6 @@
604 604  [[image:image-20221118092935-1.png]]
605 605  
606 606  
607 -
608 608  == 2.11  Interrupt Pin Channel Mod ==
609 609  
610 610  
... ... @@ -613,7 +613,6 @@
613 613  [[image:image-20221118093144-2.png]]
614 614  
615 615  
616 -
617 617  == 2.12 TTRIG1/2 timeout status alarm ==
618 618  
619 619  
... ... @@ -624,7 +624,6 @@
624 624  [[image:image-20221118093512-3.png]]
625 625  
626 626  
627 -
628 628  == 2.13  Select counting mode ==
629 629  
630 630  
... ... @@ -637,8 +637,6 @@
637 637  [[image:image-20221118093658-4.png]]
638 638  
639 639  
640 -
641 -
642 642  == 2.14  Set the number of data to be uploaded and the recording time ==
643 643  
644 644  
... ... @@ -661,7 +661,6 @@
661 661  [[image:image-20221118094227-5.png]]
662 662  
663 663  
664 -
665 665  == 2.16  ​Firmware Change Log ==
666 666  
667 667  
... ... @@ -670,10 +670,8 @@
670 670  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
671 671  
672 672  
673 -
674 674  == 2.17  ​Battery Analysis ==
675 675  
676 -
677 677  === 2.17.1  ​Battery Type ===
678 678  
679 679  
... ... @@ -692,7 +692,6 @@
692 692  [[image:image-20221021111911-26.png]] ​
693 693  
694 694  
695 -
696 696  === 2.17.2  Power consumption Analyze ===
697 697  
698 698  
... ... @@ -715,7 +715,6 @@
715 715  [[image:1666596205057-567.png]] ​
716 716  
717 717  
718 -
719 719  === 2.17.3  ​Battery Note ===
720 720  
721 721  
... ... @@ -722,7 +722,6 @@
722 722  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.
723 723  
724 724  
725 -
726 726  === 2.17.4  Replace the battery ===
727 727  
728 728  
... ... @@ -729,7 +729,6 @@
729 729  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).
730 730  
731 731  
732 -
733 733  = 3. ​ Access NB-IoT Module =
734 734  
735 735  
... ... @@ -737,13 +737,12 @@
737 737  
738 738  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/]] 
739 739  
675 +
740 740  [[image:image-20221118094449-6.png]] ​
741 741  
742 742  
743 -
744 744  = 4.  Using the AT Commands =
745 745  
746 -
747 747  == 4.1  Access AT Commands ==
748 748  
749 749  
... ... @@ -835,10 +835,8 @@
835 835  AT+PWORD  : Serial Access Password
836 836  
837 837  
838 -
839 839  = ​5.  FAQ =
840 840  
841 -
842 842  == 5.1 ​ How to Upgrade Firmware ==
843 843  
844 844  
... ... @@ -849,10 +849,8 @@
849 849  (% 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.**
850 850  
851 851  
852 -
853 853  = 6.  Trouble Shooting =
854 854  
855 -
856 856  == 6.1  ​Connection problem when uploading firmware ==
857 857  
858 858  
... ... @@ -859,7 +859,6 @@
859 859  (% style="color:blue" %)**Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
860 860  
861 861  
862 -
863 863  == 6.2  AT Command input doesn't work ==
864 864  
865 865  
... ... @@ -866,7 +866,6 @@
866 866  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.
867 867  
868 868  
869 -
870 870  = 7. ​ Order Info =
871 871  
872 872  
... ... @@ -873,7 +873,6 @@
873 873  Part Number**:** NDS03A
874 874  
875 875  
876 -
877 877  = 8.  Packing Info =
878 878  
879 879  
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