Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 70.25 >
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on 2022/12/07 16:40
To version < 75.1 >
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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 44  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.
45 -)))
46 46  
47 -(((
48 -NDS03A supports different uplink methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
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 -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)
53 -)))
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)
54 54  
55 -(((
56 -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.
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.
57 57  )))
58 58  
59 59  
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62 62  
63 63  
64 64  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
65 -* Open/Close detect
66 -* Open/Close statistics
41 +* Short uplink interval for Distance Alarm
67 67  * Monitor Battery Level
68 -* connect two door sensors
43 +* Microwave Radar for distance detection
69 69  * Datalog feature
70 70  * Uplink periodically
71 71  * Downlink to change configure
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78 78  
79 79  
80 80  
81 -== 1.3  Storage & Operation ==
56 +== 1.3 Radar probe specification ==
82 82  
83 83  
84 -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°
85 85  
86 86  
87 -== 1.4  Mechanical ==
88 88  
89 89  
90 -[[image:image-20221117114937-4.png]]
71 +== 1.4  Storage Temperature ==
91 91  
92 92  
93 -[[image:image-20221117114949-5.png]]
74 + -40°C to +85°C
94 94  
95 95  
96 -[[image:image-20221117115010-6.png]]
97 97  
98 98  
99 99  
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100 100  == 1.5 ​ Applications ==
101 101  
102 102  
103 -[[image:image-20221117114842-3.png]]
104 104  
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
105 105  
106 106  
95 +
107 107  == 1.6  Specification ==
108 108  
109 109  
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110 110  (% style="color:blue" %)**Common DC Characteristics:**
111 111  
112 112  * Supply Voltage: 2.1v ~~ 3.6v
113 -* Operating Temperature: -40 ~~ 85°C
102 +* Operating Temperature: 0 ~~ 70°C
114 114  
115 115  (% style="color:blue" %)**NB-IoT Spec:**
116 116  
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123 123  
124 124  
125 125  
126 -== 1.7  Pin Definitions and Switch ==
115 +== 1.7  Installation ==
127 127  
128 128  
129 -[[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.
130 130  
131 131  
132 -=== 1.7.1  Pin Definition ===
121 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
133 133  
134 134  
135 -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]]
136 136  
125 +== 1.8  Pin Definitions and Switch ==
137 137  
138 -=== 1.7.2  Jumper JP2(Power ON/OFF) ===
139 139  
128 +[[image:1670404362039-351.png]]
140 140  
141 -Power on Device when putting this jumper.
142 142  
131 += 2.  Use NMDS200 to communicate with IoT Server =
143 143  
144 -=== 1.7.3  BOOT MODE / SW1 ===
145 -
146 -
147 -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.
148 -
149 -2)  Flash:  working mode, the device starts to work for NB-IoT connection and sends out console output for further debugging.
150 -
151 -
152 -=== 1.7.4  Reset Button ===
153 -
154 -
155 -Press to reboot the device.
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 -== 1.8  Magnet Distance ==
169 -
170 -
171 -(% style="color:blue" %)**Wood Door:**(%%) 10 ~~ 30mm
172 -
173 -(% style="color:blue" %)**Iron Door:**(%%)**    **30 ~~ 45mm
174 -
175 -
176 -= 2.  Use NDS03A to communicate with IoT Server =
177 -
178 178  == 2.1  How it works ==
179 179  
180 180  
181 -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.
182 182  
183 -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:
184 184  
185 185  [[image:image-20221021110615-5.png]]
186 186  
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413 413  
414 414  * (% style="color:#037691" %)**Timestamp:**(%%) 0x637590df =1668649183 (Unix Time)
415 415  
416 -
417 -
418 418  == 2.4  Payload Explanation and Sensor Interface ==
419 419  
420 420  === 2.4.1  Device ID ===
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531 531  * After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
532 532  * For each uplink probe, LED will be on for 500ms.
533 533  
534 -
535 -
536 536  == 2.7  Alarm Base on Timeout ==
537 537  
538 538  
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857 857  
858 858  * NDS03A Open/Close Door Sensor x 1
859 859  
860 -
861 -
862 862  = 9.  Support =
863 863  
864 864  
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