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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  
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  
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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
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
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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  
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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  
134 +=== 1.7.2  Jumper JP2(Power ON/OFF) ===
125 125  
126 -[[image:1670404362039-351.png]]
127 127  
137 +Power on Device when putting this jumper.
128 128  
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 +
129 129  = 2.  Use NDS03A to communicate with IoT Server =
130 130  
131 131  == 2.1  How it works ==
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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  
364 +
321 321  (% style="color:blue" %)**When AT+TTRCHANNEL=2:**
322 322  
323 323  
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335 335  )))
336 336  |(% 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" %)......
337 337  
382 +
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  
340 340  [[image:image-20221117145932-2.png]]
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366 366  
367 367  * (% style="color:#037691" %)**Timestamp:**(%%) 0x637590df =1668649183 (Unix Time)
368 368  
414 +
369 369  == 2.4  Payload Explanation and Sensor Interface ==
370 370  
371 371  === 2.4.1  Device ID ===
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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  
531 +
485 485  == 2.7  Alarm Base on Timeout ==
486 486  
487 487  
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806 806  
807 807  * NDS03A Open/Close Door Sensor x 1
808 808  
856 +
857 +
809 809  = 9.  Support =
810 810  
811 811  
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