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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.
26 -\\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.
27 -\\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.
28 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
29 -\\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)
30 -\\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.
31 -)))
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*.
32 32  
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 +
28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
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).
31 +
32 +
33 +~* make sure you have NB-IoT coverage locally.
34 +
33 33  
34 34  )))
35 35  
36 -[[image:1657327959271-447.png]]
38 +[[image:1657348284168-431.png]]
37 37  
38 38  
39 39  
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41 41  
42 42  
43 43  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
44 -* Ultra low power consumption
45 -* Distance Detection by Ultrasonic technology
46 -* Flat object range 280mm - 7500mm
47 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
48 -* Cable Length: 25cm
46 +* Monitor Temperature & Humidity via SHT31
49 49  * AT Commands to change parameters
50 50  * Uplink on periodically
51 51  * Downlink to change configure
52 52  * IP66 Waterproof Enclosure
51 +* Ultra-Low Power consumption
52 +* AT Commands to change parameters
53 53  * Micro SIM card slot for NB-IoT SIM
54 54  * 8500mAh Battery for long term use
55 55  
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74 74  
75 75  (% style="color:#037691" %)**Battery:**
76 76  
77 +
77 77  * Li/SOCI2 un-chargeable battery
78 78  * Capacity: 8500mAh
79 79  * Self Discharge: <1% / Year @ 25°C
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80 80  * Max continuously current: 130mA
81 81  * Max boost current: 2A, 1 second
82 82  
83 -(% style="color:#037691" %)**Power Consumption**
84 84  
85 -* STOP Mode: 10uA @ 3.3v
86 -* Max transmit power: 350mA@3.3v
87 87  
88 -
89 -
90 90  == ​1.4  Applications ==
91 91  
92 92  * Smart Buildings & Home Automation
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102 102  
103 103  == 1.5  Pin Definitions ==
104 104  
101 +N95S31B use the mother board from NBSN95 which as below.
105 105  
106 -[[image:1657328609906-564.png]]
103 +[[image:image-20220709144723-1.png]]
107 107  
108 108  
106 +=== 1.5.1 Jumper JP2 ===
109 109  
110 -= 2.  Use NDDS75 to communicate with IoT Server =
108 +Power on Device when put this jumper.
111 111  
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 +
112 112  == 2.1  How it works ==
113 113  
114 114  (((
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233 233  [[image:1657330452568-615.png]]
234 234  
235 235  
262 +(((
236 236  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
264 +)))
237 237  
238 238  [[image:1657330472797-498.png]]
239 239  
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256 256  === 2.2.6 Use MQTT protocol to uplink data ===
257 257  
258 258  
259 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
260 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
261 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
262 -* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/Set the username of MQTT
263 -* (% style="color:blue" %)**AT+PWD=PWD                                        **(%%)~/~/Set the password of MQTT
287 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
288 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
289 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
290 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
291 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
264 264  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
265 265  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
266 266  
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310 310  In this mode, uplink payload includes in total 14 bytes
311 311  
312 312  
313 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
314 -|=(% style="width: 80px;" %)(((
341 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
342 +|=(% style="width: 60px;" %)(((
315 315  **Size(bytes)**
316 -)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width: 70px;" %)**1**
344 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
317 317  |(% 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"]]
318 318  
319 319  (((
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442 442  
443 443  Get the distance. Flat object range 280mm - 7500mm.
444 444  
473 +(((
445 445  For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
475 +)))
446 446  
447 447  (((
448 448  (((
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585 585  == 2.7  ​Firmware Change Log ==
586 586  
587 587  
618 +(((
588 588  Download URL & Firmware Change log
620 +)))
589 589  
590 590  (((
591 591  [[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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592 592  )))
593 593  
594 594  
627 +(((
595 595  Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
629 +)))
596 596  
597 597  
598 598  
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