Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 74.2 >
edited by Xiaoling
on 2022/12/07 17:12
To version < 70.2 >
edited by Xiaoling
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Summary

Details

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Title
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1 -NMDS200 - NB-IoT Microwave Radar Distance Sensor User Manual
1 +NDS03A - Outdoor NB-IoT Open/Close Door Sensor User Manual
Content
... ... @@ -1,35 +1,55 @@
1 1  (% style="text-align:center" %)
2 -[[image:LMDS200_10.jpg]]
2 +[[image:image-20221117105556-1.png]]
3 3  
4 4  
5 +
6 +
7 +
8 +
9 +
5 5  **Table of Contents：**
6 6  
12 +{{toc/}}
7 7  
8 8  
9 9  
10 10  
17 +
11 11  = 1.  Introduction =
12 12  
13 -== 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
20 +== 1.1 ​ What is NDS03A NB-IoT Open/Close Door Sensor ==
14 14  
15 15  
16 16  (((
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.
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 +)))
18 18  
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 +)))
19 19  
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.
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 +)))
21 21  
22 -NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
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 +)))
23 23  
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.
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 +)))
25 25  
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.
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 +)))
27 27  
28 -NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
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 +)))
29 29  
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.
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.
33 33  )))
34 34  
35 35  
... ... @@ -38,9 +38,10 @@
38 38  
39 39  
40 40  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
41 -* Short uplink interval for Distance Alarm
61 +* Open/Close detect
62 +* Open/Close statistics
42 42  * Monitor Battery Level
43 -* Microwave Radar for distance detection
64 +* connect two door sensors
44 44  * Datalog feature
45 45  * Uplink periodically
46 46  * Downlink to change configure
... ... @@ -51,46 +51,34 @@
51 51  * Micro SIM card slot for NB-IoT SIM
52 52  * 8500mAh Battery for long-term use
53 53  
54 -== 1.3 Radar probe specification ==
55 55  
56 56  
57 -Measuring Method: FMCW
58 -Frequency: 24.000 24.500 GHz
59 -Measurement output power: 6dBm
60 -Measure range: 0.5 20m
61 -Accuracy: ±0.1m
62 -Resolution: 0.01m
63 -Horizontal Angel: 78°
64 -Vertical Angel: 23°
77 +== 1.3  Storage & Operation ==
65 65  
66 66  
80 +Temperature -40°C to +85°C
67 67  
68 68  
69 -== 1.4  Storage Temperature ==
83 +== 1.4  Mechanical ==
70 70  
71 71  
72 - -40°C to +85°C
86 +[[image:image-20221117114937-4.png]]
73 73  
74 74  
89 +[[image:image-20221117114949-5.png]]
75 75  
76 76  
92 +[[image:image-20221117115010-6.png]]
77 77  
78 -== 1.5 ​ Applications ==
79 79  
80 80  
96 +== 1.5 ​ Applications ==
81 81  
82 -* Horizontal distance measurement
83 -* Liquid level measurement
84 -* Parking management system
85 -* Object proximity and presence detection
86 -* Intelligent trash can management system
87 -* Robot obstacle avoidance
88 -* Automatic control
89 -* Sewer
90 -* Bottom water level monitoring
91 91  
99 +[[image:image-20221117114842-3.png]]
92 92  
93 93  
102 +
94 94  == 1.6  Specification ==
95 95  
96 96  
... ... @@ -97,35 +97,75 @@
97 97  (% style="color:blue" %)**Common DC Characteristics:**
98 98  
99 99  * Supply Voltage: 2.1v ~~ 3.6v
100 -* Operating Temperature: 0 ~~ 70°C
109 +* Operating Temperature: -40 ~~ 85°C
101 101  
102 102  (% style="color:blue" %)**NB-IoT Spec:**
103 103  
104 -* B1 @H-FDD: 2100MHz
105 -* B3 @H-FDD: 1800MHz
106 -* B8 @H-FDD: 900MHz
107 -* B5 @H-FDD: 850MHz
108 -* B20 @H-FDD: 800MHz
109 -* B28 @H-FDD: 700MHz
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
110 110  
111 111  
112 112  
113 -== 1.7  Installation ==
122 +== 1.7  Pin Definitions and Switch ==
114 114  
115 115  
116 -Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
125 +[[image:image-20221021110429-4.png]]
117 117  
118 118  
119 -[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
128 +=== 1.7.1  Pin Definition ===
120 120  
121 121  
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]]
122 122  
123 -== 1.8  Pin Definitions and Switch ==
124 124  
125 125  
126 -[[image:1670404362039-351.png]]
135 +=== 1.7.2  Jumper JP2(Power ON/OFF) ===
127 127  
128 128  
138 +Power on Device when putting this jumper.
139 +
140 +
141 +
142 +=== 1.7.3  BOOT MODE / SW1 ===
143 +
144 +
145 +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.
146 +
147 +2)  Flash:  working mode, the device starts to work for NB-IoT connection and sends out console output for further debugging.
148 +
149 +
150 +
151 +=== 1.7.4  Reset Button ===
152 +
153 +
154 +Press to reboot the device.
155 +
156 +
157 +
158 +=== 1.7.5  LED ===
159 +
160 +
161 +The LED will blink when :
162 +
163 +1.  Boot the device in flash mode
164 +
165 +2.  Send an uplink packet
166 +
167 +
168 +
169 +== 1.8  Magnet Distance ==
170 +
171 +
172 +(% style="color:blue" %)**Wood Door:**(%%) 10 ~~ 30mm
173 +
174 +(% style="color:blue" %)**Iron Door:**(%%)**    **30 ~~ 45mm
175 +
176 +
177 +
129 129  = 2.  Use NDS03A to communicate with IoT Server =
130 130  
131 131  == 2.1  How it works ==
... ... @@ -138,6 +138,7 @@
138 138  [[image:image-20221021110615-5.png]]
139 139  
140 140  
190 +
141 141  == 2.2 ​ Configure NDS03A ==
142 142  
143 143  === 2.2.1 Test Requirement ===
... ... @@ -153,7 +153,9 @@
153 153  
154 154  [[image:image-20221117142300-1.png]]
155 155  
206 + ​
156 156  
208 +
157 157  === 2.2.2 Insert NB-IoT SIM card ===
158 158  
159 159  
... ... @@ -164,6 +164,7 @@
164 164  [[image:image-20221021110745-6.png]] ​
165 165  
166 166  
219 +
167 167  === 2.2.3 Connect USB – TTL to NDS03A and configure it ===
168 168  
169 169  
... ... @@ -225,6 +225,7 @@
225 225  [[image:image-20221118103547-9.png||height="605" width="837"]] ​
226 226  
227 227  
281 +
228 228  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
229 229  
230 230  
... ... @@ -243,6 +243,7 @@
243 243  
244 244  ​
245 245  
300 +
246 246  === 2.2.6 Use MQTT protocol to uplink data ===
247 247  
248 248  
... ... @@ -272,6 +272,7 @@
272 272  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.
273 273  
274 274  
330 +
275 275  === 2.2.7 Use TCP protocol to uplink data ===
276 276  
277 277  
... ... @@ -287,6 +287,7 @@
287 287  
288 288  ​
289 289  
346 +
290 290  === 2.2.8 Change Update Interval ===
291 291  
292 292  
... ... @@ -299,6 +299,7 @@
299 299  1.  By default, the device will send an uplink message every 4 hour.
300 300  
301 301  
359 +
302 302  == 2.3  Uplink Payload ==
303 303  
304 304  
... ... @@ -308,32 +308,34 @@
308 308  
309 309  (% style="color:blue" %)**When AT+TTRCHANNEL=1:**
310 310  
311 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
312 -|=(% 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**
369 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:693px" %)
370 +|=(% 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**
313 313  |=(% 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)
314 314  
315 -(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
316 -|(% style="width:50px" %)**4**|(% style="width:90px" %)**1**|(% style="width:90px" %)**3**|(% style="width:90px" %)**3**|(% style="width:60px" %)4|(% style="width:50px" %)(((
373 +(% border="1.5" style="background-color:#ffffcc; color:green; width:490px" %)
374 +|(% style="width:50px" %)**4**|(% style="width:70px" %)**1**|(% style="width:50px" %)**3**|(% style="width:99px" %)**3**|(% style="width:67px" %)4|(% style="width:50px" %)(((
317 317  **1-32 group**
318 318  )))
319 319  |(% 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" %)...
320 320  
379 +
380 +
321 321  (% style="color:blue" %)**When AT+TTRCHANNEL=2:**
322 322  
323 323  
324 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
325 -|=(% 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**
384 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
385 +|=(% 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**
326 326  |=(% 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)
327 327  
328 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
329 -|(% 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**
388 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
389 +|(% 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**
330 330  |(% 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)
331 331  
332 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
333 -|(% style="width:100px" %)**3**|(% style="width:80px" %)**1**|(% style="width:90px" %)**3**|(% style="width:90px" %)**3**|(% style="width:70px" %)**4**|(% style="width:80px" %)(((
392 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
393 +|(% style="width:102px" %)**3**|(% style="width:93px" %)**1**|(% style="width:91px" %)**3**|(% style="width:88px" %)**3**|(% style="width:63px" %)**4**|(% style="width:87px" %)(((
334 334  **1-32 group**
335 335  )))
336 -|(% 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" %)......
396 +|(% 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" %)......
337 337  
338 338  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDS03A uplink data.
339 339  
... ... @@ -362,10 +362,12 @@
362 362  
363 363  * (% style="color:#037691" %)**door open num: **(%%)0x000016 =22
364 364  
365 -* (% style="color:#037691" %)**last open time:   **(%%)0x000017 =23
425 +* (% style="color:#037691" %)**last open time:  **(%%)0x000017 =23
366 366  
367 367  * (% style="color:#037691" %)**Timestamp:**(%%) 0x637590df =1668649183 (Unix Time)
368 368  
429 +
430 +
369 369  == 2.4  Payload Explanation and Sensor Interface ==
370 370  
371 371  === 2.4.1  Device ID ===
... ... @@ -482,6 +482,8 @@
482 482  * After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
483 483  * For each uplink probe, LED will be on for 500ms.
484 484  
547 +
548 +
485 485  == 2.7  Alarm Base on Timeout ==
486 486  
487 487  
... ... @@ -541,6 +541,7 @@
541 541  [[image:image-20221021111527-19.png]]
542 542  
543 543  
608 +
544 544  == 2.10  Count Mod ==
545 545  
546 546  
... ... @@ -549,6 +549,7 @@
549 549  [[image:image-20221118092935-1.png]]
550 550  
551 551  
617 +
552 552  == 2.11  Interrupt Pin Channel Mod ==
553 553  
554 554  
... ... @@ -557,6 +557,7 @@
557 557  [[image:image-20221118093144-2.png]]
558 558  
559 559  
626 +
560 560  == 2.12 TTRIG1/2 timeout status alarm ==
561 561  
562 562  
... ... @@ -567,6 +567,7 @@
567 567  [[image:image-20221118093512-3.png]]
568 568  
569 569  
637 +
570 570  == 2.13  Select counting mode ==
571 571  
572 572  
... ... @@ -579,6 +579,8 @@
579 579  [[image:image-20221118093658-4.png]]
580 580  
581 581  
650 +
651 +
582 582  == 2.14  Set the number of data to be uploaded and the recording time ==
583 583  
584 584  
... ... @@ -601,6 +601,7 @@
601 601  [[image:image-20221118094227-5.png]]
602 602  
603 603  
674 +
604 604  == 2.16  ​Firmware Change Log ==
605 605  
606 606  
... ... @@ -609,8 +609,10 @@
609 609  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
610 610  
611 611  
683 +
612 612  == 2.17  ​Battery Analysis ==
613 613  
686 +
614 614  === 2.17.1  ​Battery Type ===
615 615  
616 616  
... ... @@ -629,6 +629,7 @@
629 629  [[image:image-20221021111911-26.png]] ​
630 630  
631 631  
705 +
632 632  === 2.17.2  Power consumption Analyze ===
633 633  
634 634  
... ... @@ -651,6 +651,7 @@
651 651  [[image:1666596205057-567.png]] ​
652 652  
653 653  
728 +
654 654  === 2.17.3  ​Battery Note ===
655 655  
656 656  
... ... @@ -657,6 +657,7 @@
657 657  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.
658 658  
659 659  
735 +
660 660  === 2.17.4  Replace the battery ===
661 661  
662 662  
... ... @@ -663,6 +663,7 @@
663 663  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).
664 664  
665 665  
742 +
666 666  = 3. ​ Access NB-IoT Module =
667 667  
668 668  
... ... @@ -670,12 +670,13 @@
670 670  
671 671  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/]] 
672 672  
673 -
674 674  [[image:image-20221118094449-6.png]] ​
675 675  
676 676  
753 +
677 677  = 4.  Using the AT Commands =
678 678  
756 +
679 679  == 4.1  Access AT Commands ==
680 680  
681 681  
... ... @@ -767,8 +767,10 @@
767 767  AT+PWORD  : Serial Access Password
768 768  
769 769  
848 +
770 770  = ​5.  FAQ =
771 771  
851 +
772 772  == 5.1 ​ How to Upgrade Firmware ==
773 773  
774 774  
... ... @@ -779,8 +779,10 @@
779 779  (% 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.**
780 780  
781 781  
862 +
782 782  = 6.  Trouble Shooting =
783 783  
865 +
784 784  == 6.1  ​Connection problem when uploading firmware ==
785 785  
786 786  
... ... @@ -787,6 +787,7 @@
787 787  (% 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]]
788 788  
789 789  
872 +
790 790  == 6.2  AT Command input doesn't work ==
791 791  
792 792  
... ... @@ -793,6 +793,7 @@
793 793  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.
794 794  
795 795  
879 +
796 796  = 7. ​ Order Info =
797 797  
798 798  
... ... @@ -799,6 +799,7 @@
799 799  Part Number**:** NDS03A
800 800  
801 801  
886 +
802 802  = 8.  Packing Info =
803 803  
804 804  
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