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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 -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.
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*.
26 26  
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.
27 27  
28 -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.
28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
29 29  
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).
30 30  
31 -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.
32 32  
33 +~* make sure you have NB-IoT coverage locally.
33 33  
34 -NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
35 -
36 -
37 -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)
38 -
39 -
40 -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.
41 -)))
42 -
43 43  
44 44  )))
45 45  
46 -[[image:1657327959271-447.png]]
38 +[[image:1657348284168-431.png]]
47 47  
48 48  
49 49  
... ... @@ -51,19 +51,18 @@
51 51  
52 52  
53 53  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
54 -* Ultra low power consumption
55 -* Distance Detection by Ultrasonic technology
56 -* Flat object range 280mm - 7500mm
57 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
58 -* Cable Length: 25cm
46 +* Monitor Temperature & Humidity via SHT31
59 59  * AT Commands to change parameters
60 60  * Uplink on periodically
61 61  * Downlink to change configure
62 62  * IP66 Waterproof Enclosure
51 +* Ultra-Low Power consumption
52 +* AT Commands to change parameters
63 63  * Micro SIM card slot for NB-IoT SIM
64 64  * 8500mAh Battery for long term use
65 65  
66 66  
57 +
67 67  == 1.3  Specification ==
68 68  
69 69  
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83 83  
84 84  (% style="color:#037691" %)**Battery:**
85 85  
77 +
86 86  * Li/SOCI2 un-chargeable battery
87 87  * Capacity: 8500mAh
88 88  * Self Discharge: <1% / Year @ 25°C
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89 89  * Max continuously current: 130mA
90 90  * Max boost current: 2A, 1 second
91 91  
92 -(% style="color:#037691" %)**Power Consumption**
93 93  
94 -* STOP Mode: 10uA @ 3.3v
95 -* Max transmit power: 350mA@3.3v
96 96  
97 -
98 98  == ​1.4  Applications ==
99 99  
100 100  * Smart Buildings & Home Automation
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110 110  
111 111  == 1.5  Pin Definitions ==
112 112  
101 +N95S31B use the mother board from NBSN95 which as below.
113 113  
114 -[[image:1657328609906-564.png]]
103 +[[image:image-20220709144723-1.png]]
115 115  
116 116  
106 +=== 1.5.1 Jumper JP2 ===
117 117  
118 -= 2.  Use NDDS75 to communicate with IoT Server =
108 +Power on Device when put this jumper.
119 119  
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 +
120 120  == 2.1  How it works ==
121 121  
140 +
122 122  (((
123 -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.
124 124  )))
125 125  
126 126  
127 127  (((
128 -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:
129 129  )))
130 130  
131 131  (((
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320 320  In this mode, uplink payload includes in total 14 bytes
321 321  
322 322  
323 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
342 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
324 324  |=(% style="width: 60px;" %)(((
325 325  **Size(bytes)**
326 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %)**2**|=(% style="width: 60px;" %)**1**
345 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
327 327  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
328 328  
329 329  (((
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452 452  
453 453  Get the distance. Flat object range 280mm - 7500mm.
454 454  
474 +(((
455 455  For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
476 +)))
456 456  
457 457  (((
458 458  (((
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595 595  == 2.7  ​Firmware Change Log ==
596 596  
597 597  
619 +(((
598 598  Download URL & Firmware Change log
621 +)))
599 599  
600 600  (((
601 601  [[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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602 602  )))
603 603  
604 604  
628 +(((
605 605  Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
630 +)))
606 606  
607 607  
608 608  
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