Last modified by Mengting Qiu on 2024/04/02 17:03
<
From version < 70.2 >
edited by Xiaoling
on 2022/11/18 10:39
To version < 76.1 >
edited by Xiaoling
on 2022/12/07 17:33
>
Change comment: Uploaded new attachment "image-20221207173300-4.png", version {1}

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
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  
... ... @@ -106,88 +106,47 @@
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  
134 134  
135 -=== 1.7.2  Jumper JP2(Power ON/OFF) ===
128 +[[image:1670404362039-351.png]]
136 136  
137 137  
138 -Power on Device when putting this jumper.
131 += 2.  Use NMDS200 to communicate with IoT Server =
139 139  
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 -
178 -= 2.  Use NDS03A to communicate with IoT Server =
179 -
180 180  == 2.1  How it works ==
181 181  
182 182  
183 -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.
184 184  
185 -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:
186 186  
187 187  [[image:image-20221021110615-5.png]]
188 188  
189 189  
190 -
191 191  == 2.2 ​ Configure NDS03A ==
192 192  
193 193  === 2.2.1 Test Requirement ===
... ... @@ -203,9 +203,7 @@
203 203  
204 204  [[image:image-20221117142300-1.png]]
205 205  
206 - ​
207 207  
208 -
209 209  === 2.2.2 Insert NB-IoT SIM card ===
210 210  
211 211  
... ... @@ -216,7 +216,6 @@
216 216  [[image:image-20221021110745-6.png]] ​
217 217  
218 218  
219 -
220 220  === 2.2.3 Connect USB – TTL to NDS03A and configure it ===
221 221  
222 222  
... ... @@ -278,7 +278,6 @@
278 278  [[image:image-20221118103547-9.png||height="605" width="837"]] ​
279 279  
280 280  
281 -
282 282  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
283 283  
284 284  
... ... @@ -297,7 +297,6 @@
297 297  
298 298  ​
299 299  
300 -
301 301  === 2.2.6 Use MQTT protocol to uplink data ===
302 302  
303 303  
... ... @@ -327,7 +327,6 @@
327 327  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.
328 328  
329 329  
330 -
331 331  === 2.2.7 Use TCP protocol to uplink data ===
332 332  
333 333  
... ... @@ -343,7 +343,6 @@
343 343  
344 344  ​
345 345  
346 -
347 347  === 2.2.8 Change Update Interval ===
348 348  
349 349  
... ... @@ -356,7 +356,6 @@
356 356  1.  By default, the device will send an uplink message every 4 hour.
357 357  
358 358  
359 -
360 360  == 2.3  Uplink Payload ==
361 361  
362 362  
... ... @@ -366,34 +366,32 @@
366 366  
367 367  (% style="color:blue" %)**When AT+TTRCHANNEL=1:**
368 368  
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 +(% 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**
371 371  |=(% 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)
372 372  
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 +(% 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" %)(((
375 375  **1-32 group**
376 376  )))
377 377  |(% 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" %)...
378 378  
379 -
380 -
381 381  (% style="color:blue" %)**When AT+TTRCHANNEL=2:**
382 382  
383 383  
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 +(% 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**
386 386  |=(% 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)
387 387  
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 +(% 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**
390 390  |(% 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)
391 391  
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 +(% 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" %)(((
394 394  **1-32 group**
395 395  )))
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" %)......
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" %)......
397 397  
398 398  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDS03A uplink data.
399 399  
... ... @@ -422,12 +422,10 @@
422 422  
423 423  * (% style="color:#037691" %)**door open num: **(%%)0x000016 =22
424 424  
425 -* (% style="color:#037691" %)**last open time:  **(%%)0x000017 =23
367 +* (% style="color:#037691" %)**last open time:   **(%%)0x000017 =23
426 426  
427 427  * (% style="color:#037691" %)**Timestamp:**(%%) 0x637590df =1668649183 (Unix Time)
428 428  
429 -
430 -
431 431  == 2.4  Payload Explanation and Sensor Interface ==
432 432  
433 433  === 2.4.1  Device ID ===
... ... @@ -544,8 +544,6 @@
544 544  * After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
545 545  * For each uplink probe, LED will be on for 500ms.
546 546  
547 -
548 -
549 549  == 2.7  Alarm Base on Timeout ==
550 550  
551 551  
... ... @@ -605,7 +605,6 @@
605 605  [[image:image-20221021111527-19.png]]
606 606  
607 607  
608 -
609 609  == 2.10  Count Mod ==
610 610  
611 611  
... ... @@ -614,7 +614,6 @@
614 614  [[image:image-20221118092935-1.png]]
615 615  
616 616  
617 -
618 618  == 2.11  Interrupt Pin Channel Mod ==
619 619  
620 620  
... ... @@ -623,7 +623,6 @@
623 623  [[image:image-20221118093144-2.png]]
624 624  
625 625  
626 -
627 627  == 2.12 TTRIG1/2 timeout status alarm ==
628 628  
629 629  
... ... @@ -634,7 +634,6 @@
634 634  [[image:image-20221118093512-3.png]]
635 635  
636 636  
637 -
638 638  == 2.13  Select counting mode ==
639 639  
640 640  
... ... @@ -647,8 +647,6 @@
647 647  [[image:image-20221118093658-4.png]]
648 648  
649 649  
650 -
651 -
652 652  == 2.14  Set the number of data to be uploaded and the recording time ==
653 653  
654 654  
... ... @@ -671,7 +671,6 @@
671 671  [[image:image-20221118094227-5.png]]
672 672  
673 673  
674 -
675 675  == 2.16  ​Firmware Change Log ==
676 676  
677 677  
... ... @@ -680,10 +680,8 @@
680 680  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
681 681  
682 682  
683 -
684 684  == 2.17  ​Battery Analysis ==
685 685  
686 -
687 687  === 2.17.1  ​Battery Type ===
688 688  
689 689  
... ... @@ -702,7 +702,6 @@
702 702  [[image:image-20221021111911-26.png]] ​
703 703  
704 704  
705 -
706 706  === 2.17.2  Power consumption Analyze ===
707 707  
708 708  
... ... @@ -725,7 +725,6 @@
725 725  [[image:1666596205057-567.png]] ​
726 726  
727 727  
728 -
729 729  === 2.17.3  ​Battery Note ===
730 730  
731 731  
... ... @@ -732,7 +732,6 @@
732 732  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.
733 733  
734 734  
735 -
736 736  === 2.17.4  Replace the battery ===
737 737  
738 738  
... ... @@ -739,7 +739,6 @@
739 739  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).
740 740  
741 741  
742 -
743 743  = 3. ​ Access NB-IoT Module =
744 744  
745 745  
... ... @@ -747,13 +747,12 @@
747 747  
748 748  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/]] 
749 749  
675 +
750 750  [[image:image-20221118094449-6.png]] ​
751 751  
752 752  
753 -
754 754  = 4.  Using the AT Commands =
755 755  
756 -
757 757  == 4.1  Access AT Commands ==
758 758  
759 759  
... ... @@ -845,10 +845,8 @@
845 845  AT+PWORD  : Serial Access Password
846 846  
847 847  
848 -
849 849  = ​5.  FAQ =
850 850  
851 -
852 852  == 5.1 ​ How to Upgrade Firmware ==
853 853  
854 854  
... ... @@ -859,10 +859,8 @@
859 859  (% 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.**
860 860  
861 861  
862 -
863 863  = 6.  Trouble Shooting =
864 864  
865 -
866 866  == 6.1  ​Connection problem when uploading firmware ==
867 867  
868 868  
... ... @@ -869,7 +869,6 @@
869 869  (% 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]]
870 870  
871 871  
872 -
873 873  == 6.2  AT Command input doesn't work ==
874 874  
875 875  
... ... @@ -876,7 +876,6 @@
876 876  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.
877 877  
878 878  
879 -
880 880  = 7. ​ Order Info =
881 881  
882 882  
... ... @@ -883,7 +883,6 @@
883 883  Part Number**:** NDS03A
884 884  
885 885  
886 -
887 887  = 8.  Packing Info =
888 888  
889 889  
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