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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
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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  
43 +(((
26 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.
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 supports different uplink methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
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)
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 +)))
31 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.
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.
33 33  )))
34 34  
35 35  
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38 38  
39 39  
40 40  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
41 -* Short uplink interval for Distance Alarm
65 +* Open/Close detect
66 +* Open/Close statistics
42 42  * Monitor Battery Level
43 -* Microwave Radar for distance detection
68 +* connect two door sensors
44 44  * Datalog feature
45 45  * Uplink periodically
46 46  * Downlink to change configure
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52 52  * 8500mAh Battery for long-term use
53 53  
54 54  
80 +== 1.3  Storage & Operation ==
55 55  
56 -== 1.3 Radar probe specification ==
57 57  
83 +Temperature -40°C to +85°C
58 58  
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°
67 67  
86 +== 1.4  Mechanical ==
68 68  
69 69  
89 +[[image:image-20221117114937-4.png]]
70 70  
71 -== 1.4  Storage Temperature ==
72 72  
92 +[[image:image-20221117114949-5.png]]
73 73  
74 - -40°C to +85°C
75 75  
95 +[[image:image-20221117115010-6.png]]
76 76  
77 77  
78 78  
79 -
80 80  == 1.5 ​ Applications ==
81 81  
82 82  
102 +[[image:image-20221117114842-3.png]]
83 83  
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
93 93  
94 94  
95 -
96 96  == 1.6  Specification ==
97 97  
98 98  
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99 99  (% style="color:blue" %)**Common DC Characteristics:**
100 100  
101 101  * Supply Voltage: 2.1v ~~ 3.6v
102 -* Operating Temperature: 0 ~~ 70°C
112 +* Operating Temperature: -40 ~~ 85°C
103 103  
104 104  (% style="color:blue" %)**NB-IoT Spec:**
105 105  
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
116 +* - B1 @H-FDD: 2100MHz
117 +* - B3 @H-FDD: 1800MHz
118 +* - B8 @H-FDD: 900MHz
119 +* - B5 @H-FDD: 850MHz
120 +* - B20 @H-FDD: 800MHz
121 +* - B28 @H-FDD: 700MHz
112 112  
113 113  
124 +== 1.7  Pin Definitions and Switch ==
114 114  
115 -== 1.7  Installation ==
116 116  
127 +[[image:image-20221021110429-4.png]]
117 117  
118 -Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
119 119  
130 +=== 1.7.1  Pin Definition ===
120 120  
121 -[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
122 122  
133 +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]]
123 123  
124 124  
125 -== 1.8  Pin Definitions and Switch ==
136 +=== 1.7.2  Jumper JP2(Power ON/OFF) ===
126 126  
127 127  
128 -[[image:1670404362039-351.png]]
139 +Power on Device when putting this jumper.
129 129  
130 130  
131 -= 2.  Use NMDS200 to communicate with IoT Server =
142 +=== 1.7.3  BOOT MODE / SW1 ===
132 132  
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 +=== 1.7.4  Reset Button ===
151 +
152 +
153 +Press to reboot the device.
154 +
155 +
156 +=== 1.7.5  LED ===
157 +
158 +
159 +The LED will blink when :
160 +
161 +1.  Boot the device in flash mode
162 +
163 +2.  Send an uplink packet
164 +
165 +
166 +== 1.8  Magnet Distance ==
167 +
168 +
169 +(% style="color:blue" %)**Wood Door:**(%%) 10 ~~ 30mm
170 +
171 +(% style="color:blue" %)**Iron Door:**(%%)**    **30 ~~ 45mm
172 +
173 +
174 += 2.  Use NDS03A to communicate with IoT Server =
175 +
133 133  == 2.1  How it works ==
134 134  
135 135  
136 -The NB-IoT network will forward this value to IoT server via the protocol defined by NMDS200.
179 +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.
137 137  
138 -The diagram below shows the working flow in the default firmware of NMDS200:
181 +The diagram below shows the working flow in the default firmware of NDS03A:
139 139  
140 140  [[image:image-20221021110615-5.png]]
141 141  
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808 808  
809 809  * NDS03A Open/Close Door Sensor x 1
810 810  
854 +
811 811  = 9.  Support =
812 812  
813 813  
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