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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  
33 -
34 -)))
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.
35 35  
36 -[[image:1654503236291-817.png]]
28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
37 37  
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).
38 38  
39 -[[image:1657327959271-447.png]]
40 40  
33 +~* make sure you have NB-IoT coverage locally.
41 41  
35 +
36 +)))
42 42  
38 +[[image:1657348284168-431.png]]
39 +
40 +
41 +
43 43  == 1.2 ​ Features ==
44 44  
45 45  
46 46  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
47 -* Ultra low power consumption
48 -* Distance Detection by Ultrasonic technology
49 -* Flat object range 280mm - 7500mm
50 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
51 -* Cable Length: 25cm
46 +* Monitor Temperature & Humidity via SHT31
52 52  * AT Commands to change parameters
53 53  * Uplink on periodically
54 54  * Downlink to change configure
55 55  * IP66 Waterproof Enclosure
51 +* Ultra-Low Power consumption
52 +* AT Commands to change parameters
56 56  * Micro SIM card slot for NB-IoT SIM
57 57  * 8500mAh Battery for long term use
58 58  
56 +
57 +
59 59  == 1.3  Specification ==
60 60  
61 61  
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75 75  
76 76  (% style="color:#037691" %)**Battery:**
77 77  
77 +
78 78  * Li/SOCI2 un-chargeable battery
79 79  * Capacity: 8500mAh
80 80  * Self Discharge: <1% / Year @ 25°C
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81 81  * Max continuously current: 130mA
82 82  * Max boost current: 2A, 1 second
83 83  
84 -(% style="color:#037691" %)**Power Consumption**
85 85  
86 -* STOP Mode: 10uA @ 3.3v
87 -* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
88 88  
89 -
90 90  == ​1.4  Applications ==
91 91  
92 92  * Smart Buildings & Home Automation
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100 100  ​
101 101  
102 102  
103 -
104 104  == 1.5  Pin Definitions ==
105 105  
101 +N95S31B use the mother board from NBSN95 which as below.
106 106  
107 -[[image:1657328609906-564.png]]
103 +[[image:image-20220709144723-1.png]]
108 108  
109 109  
106 +=== 1.5.1 Jumper JP2 ===
110 110  
111 -= 2.  Use NDDS75 to communicate with IoT Server =
108 +Power on Device when put this jumper.
112 112  
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 +
113 113  == 2.1  How it works ==
114 114  
115 115  (((
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213 213  (% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
214 214  
215 215  
241 +(((
216 216  **Use below commands:**
243 +)))
217 217  
218 -* (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
219 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
220 -* (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
245 +* (((
246 +(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
247 +)))
248 +* (((
249 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
250 +)))
251 +* (((
252 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
253 +)))
221 221  
255 +(((
222 222  For parameter description, please refer to AT command set
257 +)))
223 223  
224 224  [[image:1657330452568-615.png]]
225 225  
226 226  
262 +(((
227 227  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 +)))
228 228  
229 229  [[image:1657330472797-498.png]]
230 230  
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233 233  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
234 234  
235 235  
236 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
273 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
237 237  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
238 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/If the server does not respond, this command is unnecessary
275 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
239 239  
240 240  [[image:1657330501006-241.png]]
241 241  
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247 247  === 2.2.6 Use MQTT protocol to uplink data ===
248 248  
249 249  
250 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
251 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
252 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
253 -* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/Set the username of MQTT
254 -* (% 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
255 255  * (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
256 256  * (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
257 257  
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301 301  In this mode, uplink payload includes in total 14 bytes
302 302  
303 303  
304 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
305 -|=(% style="width: 80px;" %)(((
341 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
342 +|=(% style="width: 60px;" %)(((
306 306  **Size(bytes)**
307 -)))|=(% style="width: 80px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 110px;" %)**1**|=(% style="width: 110px;" %)**2**|=(% style="width: 70px;" %)**1**
308 -|(% 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="H2.4.8A0DigitalInterrupt"]]
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**
345 +|(% 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"]]
309 309  
310 310  (((
311 311  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
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388 388  === 2.4.3  Battery Info ===
389 389  
390 390  (((
391 -Check the battery voltage for LSE01.
392 -)))
393 -
394 -(((
395 395  Ex1: 0x0B45 = 2885mV
396 396  )))
397 397  
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437 437  
438 438  Get the distance. Flat object range 280mm - 7500mm.
439 439  
473 +(((
440 440  For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
475 +)))
441 441  
442 442  (((
443 443  (((
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580 580  == 2.7  ​Firmware Change Log ==
581 581  
582 582  
618 +(((
583 583  Download URL & Firmware Change log
620 +)))
584 584  
585 585  (((
586 586  [[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/]]
... ... @@ -587,7 +587,9 @@
587 587  )))
588 588  
589 589  
627 +(((
590 590  Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
629 +)))
591 591  
592 592  
593 593  
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