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From version < 97.18 >
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Summary

Details

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Title
... ... @@ -1,1 +1,1 @@
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 -(((
30 -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.
31 -)))
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.
32 32  
33 -(((
34 -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.
35 -)))
28 +N95S31B supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP**(%%) for different application requirement.
36 36  
37 -(((
38 -NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
39 -)))
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).
40 40  
41 -(((
42 -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)
43 -)))
44 44  
45 -(((
46 -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.
47 -)))
48 -)))
33 +~* make sure you have NB-IoT coverage locally.
49 49  
50 50  
51 51  )))
52 52  
53 -[[image:1657327959271-447.png]]
38 +[[image:1657348284168-431.png]]
54 54  
55 55  
56 56  
... ... @@ -58,18 +58,17 @@
58 58  
59 59  
60 60  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
61 -* Ultra low power consumption
62 -* Distance Detection by Ultrasonic technology
63 -* Flat object range 280mm - 7500mm
64 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
65 -* Cable Length: 25cm
46 +* Monitor Temperature & Humidity via SHT31
66 66  * AT Commands to change parameters
67 67  * Uplink on periodically
68 68  * Downlink to change configure
69 69  * IP66 Waterproof Enclosure
51 +* Ultra-Low Power consumption
52 +* AT Commands to change parameters
70 70  * Micro SIM card slot for NB-IoT SIM
71 71  * 8500mAh Battery for long term use
72 72  
56 +
73 73  == 1.3  Specification ==
74 74  
75 75  
... ... @@ -89,6 +89,7 @@
89 89  
90 90  (% style="color:#037691" %)**Battery:**
91 91  
76 +
92 92  * Li/SOCI2 un-chargeable battery
93 93  * Capacity: 8500mAh
94 94  * Self Discharge: <1% / Year @ 25°C
... ... @@ -95,11 +95,7 @@
95 95  * Max continuously current: 130mA
96 96  * Max boost current: 2A, 1 second
97 97  
98 -(% style="color:#037691" %)**Power Consumption**
99 99  
100 -* STOP Mode: 10uA @ 3.3v
101 -* Max transmit power: 350mA@3.3v
102 -
103 103  == ​1.4  Applications ==
104 104  
105 105  * Smart Buildings & Home Automation
... ... @@ -115,22 +115,52 @@
115 115  
116 116  == 1.5  Pin Definitions ==
117 117  
99 +N95S31B use the mother board from NBSN95 which as below.
118 118  
119 -[[image:1657328609906-564.png]]
101 +[[image:image-20220709144723-1.png]]
120 120  
121 121  
104 +=== 1.5.1 Jumper JP2 ===
122 122  
123 -= 2.  Use NDDS75 to communicate with IoT Server =
106 +Power on Device when put this jumper.
124 124  
108 +
109 +
110 +=== 1.5.2 BOOT MODE / SW1 ===
111 +
112 +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.
113 +
114 +2) Flash: work mode, device starts to work and send out console output for further debug
115 +
116 +
117 +
118 +=== 1.5.3 Reset Button ===
119 +
120 +Press to reboot the device.
121 +
122 +
123 +
124 +=== 1.5.4 LED ===
125 +
126 +It will flash:
127 +
128 +1. When boot the device in flash mode
129 +1. Send an uplink packet
130 +
131 +
132 +
133 += 2.  Use N95S31B to communicate with IoT Server =
134 +
125 125  == 2.1  How it works ==
126 126  
137 +
127 127  (((
128 -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.
139 +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.
129 129  )))
130 130  
131 131  
132 132  (((
133 -The diagram below shows the working flow in default firmware of NDDS75:
144 +The diagram below shows the working flow in default firmware of N95S31B:
134 134  )))
135 135  
136 136  (((
... ... @@ -137,7 +137,7 @@
137 137  
138 138  )))
139 139  
140 -[[image:1657328659945-416.png]]
151 +[[image:1657350248151-650.png]]
141 141  
142 142  (((
143 143  
... ... @@ -144,30 +144,45 @@
144 144  )))
145 145  
146 146  
147 -== 2.2 ​ Configure the NDDS75 ==
158 +== 2.2 ​ Configure the N95S31B ==
148 148  
149 149  
161 +=== 2.2.1  Power On N95S31B ===
162 +
163 +
164 +[[image:image-20220709150546-2.png]]
165 +
166 +
150 150  === 2.2.1 Test Requirement ===
151 151  
152 -(((
153 -To use NDDS75 in your city, make sure meet below requirements:
154 -)))
155 155  
170 +To use N95S31B in your city, make sure meet below requirements:
171 +
156 156  * Your local operator has already distributed a NB-IoT Network there.
157 -* The local NB-IoT network used the band that NSE01 supports.
173 +* The local NB-IoT network used the band that N95S31B supports.
158 158  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
159 159  
176 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
177 +
178 +N95S31B supports different communication protocol such as :
179 +
160 160  (((
161 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
162 -)))
181 +* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
182 +* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
183 +* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
184 +* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
163 163  
186 +We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server.
164 164  
165 -[[image:1657328756309-230.png]]
188 +
189 +)))
166 166  
191 +[[image:1657350625843-586.png]]
167 167  
168 168  
169 -=== 2.2.2 Insert SIM card ===
170 170  
195 +=== 2.2.3  Insert SIM card ===
196 +
171 171  (((
172 172  Insert the NB-IoT Card get from your provider.
173 173  )))
... ... @@ -177,19 +177,19 @@
177 177  )))
178 178  
179 179  
180 -[[image:1657328884227-504.png]]
206 +[[image:1657351240556-536.png]]
181 181  
182 182  
183 183  
184 -=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
210 +=== 2.2.4  Connect USB – TTL to N95S31B to configure it ===
185 185  
186 186  (((
187 187  (((
188 -User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
214 +User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
189 189  )))
190 190  )))
191 191  
192 -[[image:image-20220709092052-2.png]]
218 +[[image:1657351312545-300.png]]
193 193  
194 194  **Connection:**
195 195  
... ... @@ -209,18 +209,18 @@
209 209  * Flow Control: (% style="color:green" %)**None**
210 210  
211 211  (((
212 -Make sure the switch is in FLASH position, then power on device by connecting the jumper on NDDS75. NDDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
238 +Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
213 213  )))
214 214  
215 215  [[image:1657329814315-101.png]]
216 216  
217 217  (((
218 -(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
244 +(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
219 219  )))
220 220  
221 221  
222 222  
223 -=== 2.2.4 Use CoAP protocol to uplink data ===
249 +=== 2.2.5  Use CoAP protocol to uplink data ===
224 224  
225 225  (% 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/]]
226 226  
... ... @@ -240,10 +240,12 @@
240 240  )))
241 241  
242 242  (((
269 +
270 +
243 243  For parameter description, please refer to AT command set
244 244  )))
245 245  
246 -[[image:1657330452568-615.png]]
274 +[[image:1657352146020-183.png]]
247 247  
248 248  
249 249  (((
... ... @@ -250,11 +250,11 @@
250 250  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.
251 251  )))
252 252  
253 -[[image:1657330472797-498.png]]
281 +[[image:1657352185396-303.png]]
254 254  
255 255  
256 256  
257 -=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
285 +=== 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
258 258  
259 259  
260 260  * (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
... ... @@ -261,15 +261,16 @@
261 261  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
262 262  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
263 263  
264 -[[image:1657330501006-241.png]]
292 +[[image:1657352391268-297.png]]
265 265  
266 266  
267 -[[image:1657330533775-472.png]]
295 +[[image:1657352403317-397.png]]
268 268  
269 269  
270 270  
271 -=== 2.2.6 Use MQTT protocol to uplink data ===
299 +=== 2.2.7  Use MQTT protocol to uplink data ===
272 272  
301 +N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
273 273  
274 274  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
275 275  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
... ... @@ -276,35 +276,40 @@
276 276  * (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
277 277  * (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
278 278  * (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
279 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
280 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
308 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527                               **(%%)~/~/Set the sending topic of MQTT
309 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527          **(%%) ~/~/Set the subscription topic of MQTT
281 281  
282 -[[image:1657249978444-674.png]]
311 +[[image:1657352634421-276.png]]
283 283  
284 284  
285 -[[image:1657330723006-866.png]]
314 +[[image:1657352645687-385.png]]
286 286  
316 +(((
317 +To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period.
318 +)))
287 287  
320 +
288 288  (((
289 -MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
322 +MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
290 290  )))
291 291  
292 292  
293 293  
294 -=== 2.2.7 Use TCP protocol to uplink data ===
327 +=== 2.2.8  Use TCP protocol to uplink data ===
295 295  
329 +This feature is supported since firmware version v110
296 296  
297 297  * (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
298 298  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
299 299  
300 -[[image:image-20220709093918-1.png]]
334 +[[image:1657352898400-901.png]]
301 301  
302 302  
303 -[[image:image-20220709093918-2.png]]
337 +[[image:1657352914475-252.png]]
304 304  
305 305  
306 306  
307 -=== 2.2.8 Change Update Interval ===
341 +=== 2.2.9  Change Update Interval ===
308 308  
309 309  User can use below command to change the (% style="color:green" %)**uplink interval**.
310 310  
... ... @@ -311,32 +311,69 @@
311 311  * (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
312 312  
313 313  (((
314 -(% style="color:red" %)**NOTE:**
348 +
315 315  )))
316 316  
317 -(((
318 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
319 -)))
320 320  
321 321  
322 -
323 323  == 2.3  Uplink Payload ==
324 324  
325 -In this mode, uplink payload includes in total 14 bytes
326 326  
356 +NBSN95 has different working mode for the connections of different type of sensors. This section describes these modes. User can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set NBSN95 to different working modes.
327 327  
358 +
359 +For example:
360 +
361 + (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the NBSN95 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
362 +
363 +
364 +The uplink payloads are composed in  ASCII String. For example:
365 +
366 +0a cd 00 ed 0a cc 00 00 ef 02 d2 1d (total 24 ASCII Chars) . Representative the actually payload:
367 +
368 +0x 0a cd 00 ed 0a cc 00 00 ef 02 d2 1d Total 12 bytes
369 +
370 +
371 +(% style="color:red" %)**NOTE:**
372 +
373 +(% style="color:red" %)
374 +1. All modes share the same Payload Explanation from [[HERE>>path:#Payload_Explain]].
375 +1. By default, the device will send an uplink message every 1 hour.
376 +
377 +
378 +
379 +
380 +=== 2.3.1  Payload Analyze ===
381 +
382 +N95S31B uplink payload includes in total 21 bytes
383 +
384 +
328 328  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
329 329  |=(% style="width: 60px;" %)(((
330 330  **Size(bytes)**
331 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
332 -|(% 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"]]
388 +)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 80px;" %) |=(% style="width: 99px;" %) |=(% style="width: 77px;" %)**2**|=(% style="width: 60px;" %)**1**
389 +|(% 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:123px" %)MOD 0X01|(% style="width:99px" %)(((
390 +Reserve/ Same as NBSN95 CFGMOD=1
333 333  
392 +No function here.
393 +)))|(% style="width:77px" %)(((
394 +[[Temperature >>||anchor="H2.4.5A0Distance"]]
395 +
396 +By SHT31
397 +)))|(% style="width:80px" %)(((
398 +[[Humidity>>||anchor="H2.4.6A0DigitalInterrupt"]]
399 +
400 +By SHT31
401 +)))
402 +
334 334  (((
335 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
404 +(((
405 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
336 336  )))
407 +)))
337 337  
338 338  
339 -[[image:1657331036973-987.png]]
410 +[[image:1657354294009-643.png]]
340 340  
341 341  (((
342 342  The payload is ASCII string, representative same HEX:
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