Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 67.2 >
edited by Xiaoling
on 2022/07/08 18:09
To version < 75.4 >
edited by Xiaoling
on 2022/07/09 09:02
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1 1  (% style="text-align:center" %)
2 -[[image:1657271519014-786.png]]
2 +[[image:image-20220709085040-1.png||height="542" width="524"]]
3 3  
4 4  
5 5  
6 6  
7 7  
8 -
9 -
10 -
11 -
12 -
13 13  **Table of Contents:**
14 14  
15 15  
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25 25  (((
26 26  
27 27  
28 -The Dragino NDDS75 is a **NB-IOT Distance Detection Sensor** for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses **ultrasonic sensing technology** for **distance measurement**, and temperature compensation is performed internally to improve the reliability of data. The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
29 -
30 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server.
31 -
32 -**NarrowBand-Internet of Things (NB-IoT)** is a 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.
33 -
34 -NDDS75 is powered by 8**500mA Li-SOCI2 battery**; It is designed for long term use up to 5 years*.
35 -
36 -~* Actually lifetime depends on network coverage and uplink interval and other factors
37 -
38 38  (((
39 -
24 +The Dragino NDDS75 is a (% style="color:blue" %)**NB-IoT Distance Detection Sensor**(%%) for Internet of Things solution. It is designed to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses ultrasonic sensing technology for distance measurement, and temperature compensation is performed internally to improve the reliability of data.
25 +\\The NDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. It detects the distance between the measured object and the sensor, and uploads the value via wireless to IoT Server via NB-IoT Network.
26 +\\NarrowBand-Internet of Things (NB-IoT) is a 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.
27 +\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
28 +\\NDDS75 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
29 +\\To use NDDS75, user needs to check if there is NB-IoT coverage in local area and with the bands NDDS75 supports. If the local operate support it, user needs to get a NB-IoT SIM card from local operator and install NDDS75 to get NB-IoT network connection.
40 40  )))
41 41  
42 42  
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45 45  [[image:1654503236291-817.png]]
46 46  
47 47  
48 -[[image:1657245163077-232.png]]
38 +[[image:1657327959271-447.png]]
49 49  
50 50  
51 51  
52 52  == 1.2 ​ Features ==
53 53  
44 +
54 54  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
55 -* Monitor Soil Moisture
56 -* Monitor Soil Temperature
57 -* Monitor Soil Conductivity
46 +* Ultra low power consumption
47 +* Distance Detection by Ultrasonic technology
48 +* Flat object range 280mm - 7500mm
49 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
50 +* Cable Length: 25cm
58 58  * AT Commands to change parameters
59 59  * Uplink on periodically
60 60  * Downlink to change configure
61 61  * IP66 Waterproof Enclosure
62 -* Ultra-Low Power consumption
63 -* AT Commands to change parameters
64 64  * Micro SIM card slot for NB-IoT SIM
65 65  * 8500mAh Battery for long term use
66 66  
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83 83  * - B20 @H-FDD: 800MHz
84 84  * - B28 @H-FDD: 700MHz
85 85  
86 -Probe(% style="color:#037691" %)** Specification:**
87 87  
88 -Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
78 +(% style="color:#037691" %)**Battery:**
89 89  
90 -[[image:image-20220708101224-1.png]]
80 +* Li/SOCI2 un-chargeable battery
81 +* Capacity: 8500mAh
82 +* Self Discharge: <1% / Year @ 25°C
83 +* Max continuously current: 130mA
84 +* Max boost current: 2A, 1 second
91 91  
92 92  
87 +(% style="color:#037691" %)**Power Consumption**
93 93  
89 +* STOP Mode: 10uA @ 3.3v
90 +* Max transmit power: 350mA@3.3v
91 +
92 +
93 +
94 +
94 94  == ​1.4  Applications ==
95 95  
97 +* Smart Buildings & Home Automation
98 +* Logistics and Supply Chain Management
99 +* Smart Metering
96 96  * Smart Agriculture
101 +* Smart Cities
102 +* Smart Factory
97 97  
98 98  (% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
99 99  ​
100 100  
107 +
108 +
101 101  == 1.5  Pin Definitions ==
102 102  
103 103  
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329 329  * Soil Conductivity(EC) = 0x02f9 =761 uS /cm
330 330  * Interrupt: 0x00 = 0
331 331  
332 -
333 -
334 334  == 2.4  Payload Explanation and Sensor Interface ==
335 335  
336 336  
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