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Title
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1 -NDDS75 NB-IoT Distance Detect Sensor User Manual
1 +N95S31B NB-IoT Temperature & Humidity Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220709085040-1.png||height="542" width="524"]]
2 +[[image:1657348034241-728.png||height="470" width="470"]]
3 3  
4 4  
5 5  
6 6  
7 7  
8 -**Table of Contents:**
9 9  
10 -{{toc/}}
11 11  
10 +**Table of Contents:**
12 12  
13 13  
14 14  
15 15  
16 16  
16 +
17 17  = 1.  Introduction =
18 18  
19 -== 1.1 ​ What is NDDS75 Distance Detection Sensor ==
19 +== 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
20 20  
21 21  (((
22 22  
23 23  
24 -(((
25 -(((
26 -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.
27 -)))
24 +The Dragino N95S31B is a (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
28 28  
29 -(((
26 +The temperature & humidity sensor used in N95S31B is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing **(%%)for long term use.
30 30  
31 -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.
32 -)))
28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
33 33  
34 -(((
30 +N95S31B is powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report).
35 35  
36 -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.
37 -)))
38 38  
39 -(((
33 +~* make sure you have NB-IoT coverage locally.
40 40  
41 -NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
42 -)))
43 -
44 -(((
45 -
46 -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)
47 -)))
48 -
49 -(((
50 -
51 -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.
52 -)))
53 -)))
54 -
55 55  
56 56  )))
57 57  
58 -[[image:1657327959271-447.png]]
38 +[[image:1657348284168-431.png]]
59 59  
60 60  
61 61  
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63 63  
64 64  
65 65  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
66 -* Ultra low power consumption
67 -* Distance Detection by Ultrasonic technology
68 -* Flat object range 280mm - 7500mm
69 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
70 -* Cable Length: 25cm
46 +* Monitor Temperature & Humidity via SHT31
71 71  * AT Commands to change parameters
72 72  * Uplink on periodically
73 73  * Downlink to change configure
74 74  * IP66 Waterproof Enclosure
51 +* Ultra-Low Power consumption
52 +* AT Commands to change parameters
75 75  * Micro SIM card slot for NB-IoT SIM
76 76  * 8500mAh Battery for long term use
77 77  
78 78  
57 +
79 79  == 1.3  Specification ==
80 80  
81 81  
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95 95  
96 96  (% style="color:#037691" %)**Battery:**
97 97  
77 +
98 98  * Li/SOCI2 un-chargeable battery
99 99  * Capacity: 8500mAh
100 100  * Self Discharge: <1% / Year @ 25°C
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101 101  * Max continuously current: 130mA
102 102  * Max boost current: 2A, 1 second
103 103  
104 -(% style="color:#037691" %)**Power Consumption**
105 105  
106 -* STOP Mode: 10uA @ 3.3v
107 -* Max transmit power: 350mA@3.3v
108 108  
109 -
110 110  == ​1.4  Applications ==
111 111  
112 112  * Smart Buildings & Home Automation
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122 122  
123 123  == 1.5  Pin Definitions ==
124 124  
101 +N95S31B use the mother board from NBSN95 which as below.
125 125  
126 -[[image:1657328609906-564.png]]
103 +[[image:image-20220709144723-1.png]]
127 127  
128 128  
106 +=== 1.5.1 Jumper JP2 ===
129 129  
130 -= 2.  Use NDDS75 to communicate with IoT Server =
108 +Power on Device when put this jumper.
131 131  
110 +
111 +
112 +=== 1.5.2 BOOT MODE / SW1 ===
113 +
114 +1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
115 +
116 +2) Flash: work mode, device starts to work and send out console output for further debug
117 +
118 +
119 +
120 +=== 1.5.3 Reset Button ===
121 +
122 +Press to reboot the device.
123 +
124 +
125 +
126 +=== 1.5.4 LED ===
127 +
128 +It will flash:
129 +
130 +1. When boot the device in flash mode
131 +1. Send an uplink packet
132 +
133 +
134 +
135 +
136 += 2.  Use N95S31B to communicate with IoT Server =
137 +
132 132  == 2.1  How it works ==
133 133  
140 +
134 134  (((
135 -The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
142 +The N95S31B is equipped with a NB-IoT module, the pre-loaded firmware in N95S31B will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by N95S31B.
136 136  )))
137 137  
138 138  
139 139  (((
140 -The diagram below shows the working flow in default firmware of NDDS75:
147 +The diagram below shows the working flow in default firmware of N95S31B:
141 141  )))
142 142  
143 143  (((
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464 464  
465 465  Get the distance. Flat object range 280mm - 7500mm.
466 466  
474 +(((
467 467  For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
476 +)))
468 468  
469 469  (((
470 470  (((
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607 607  == 2.7  ​Firmware Change Log ==
608 608  
609 609  
619 +(((
610 610  Download URL & Firmware Change log
621 +)))
611 611  
612 612  (((
613 613  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
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614 614  )))
615 615  
616 616  
628 +(((
617 617  Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
630 +)))
618 618  
619 619  
620 620  
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