Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 119.2 >
edited by Xiaoling
on 2022/08/22 14:47
To version < 117.1 >
edited by Xiaoling
on 2022/07/11 11:05
>
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17 17  
18 18  = 1.  Introduction =
19 19  
20 -
21 21  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
22 22  
23 23  (((
... ... @@ -56,7 +56,6 @@
56 56  
57 57  == 1.2 ​ Features ==
58 58  
59 -
60 60  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
61 61  * Monitor Temperature & Humidity via SHT31
62 62  * AT Commands to change parameters
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70 70  
71 71  
72 72  
73 -
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -79,8 +79,6 @@
79 79  * Supply Voltage: 2.1v ~~ 3.6v
80 80  * Operating Temperature: -40 ~~ 85°C
81 81  
82 -
83 -
84 84  (% style="color:#037691" %)**NB-IoT Spec:**
85 85  
86 86  * - B1 @H-FDD: 2100MHz
... ... @@ -90,8 +90,6 @@
90 90  * - B20 @H-FDD: 800MHz
91 91  * - B28 @H-FDD: 700MHz
92 92  
93 -
94 -
95 95  (% style="color:#037691" %)**Battery:**
96 96  
97 97  * Li/SOCI2 un-chargeable battery
... ... @@ -102,10 +102,8 @@
102 102  
103 103  
104 104  
105 -
106 106  == ​1.4  Applications ==
107 107  
108 -
109 109  * Smart Buildings & Home Automation
110 110  * Logistics and Supply Chain Management
111 111  * Smart Metering
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117 117  ​
118 118  
119 119  
111 +== 1.5  Pin Definitions ==
120 120  
121 -== 1.5  Pin Definitions & Switch ==
122 -
123 -
124 124  N95S31B use the mother board from NBSN95 which as below.
125 125  
126 -
127 127  [[image:image-20220709144723-1.png]]
128 128  
129 129  
130 -
131 131  === 1.5.1 Jumper JP2 ===
132 132  
133 -
134 134  Power on Device when put this jumper.
135 135  
136 136  
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137 137  
138 138  === 1.5.2 BOOT MODE / SW1 ===
139 139  
140 -
141 141  (((
142 142  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.
143 143  )))
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150 150  
151 151  === 1.5.3 Reset Button ===
152 152  
153 -
154 154  Press to reboot the device.
155 155  
156 156  
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157 157  
158 158  === 1.5.4 LED ===
159 159  
160 -
161 161  It will flash:
162 162  
163 163  1. When boot the device in flash mode
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165 165  
166 166  
167 167  
168 -
169 169  = 2.  Use N95S31B to communicate with IoT Server =
170 170  
171 -
172 172  == 2.1  How it works ==
173 173  
174 174  
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185 185  
186 186  )))
187 187  
188 -[[image:1657520100595-569.png]]
169 +[[image:1657350248151-650.png]]
189 189  
190 190  (((
191 191  
... ... @@ -201,7 +201,6 @@
201 201  [[image:image-20220709150546-2.png]]
202 202  
203 203  
204 -
205 205  === 2.2.1 Test Requirement ===
206 206  
207 207  
... ... @@ -254,7 +254,6 @@
254 254  
255 255  === 2.2.3  Insert SIM card ===
256 256  
257 -
258 258  (((
259 259  Insert the NB-IoT Card get from your provider.
260 260  )))
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270 270  
271 271  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
272 272  
273 -
274 274  (((
275 275  (((
276 276  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.
277 -
278 -
279 279  )))
280 280  )))
281 281  
282 282  [[image:1657351312545-300.png]]
283 283  
284 -
285 285  **Connection:**
286 286  
287 287   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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305 305  
306 306  [[image:1657329814315-101.png]]
307 307  
308 -
309 309  (((
310 -(% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i~~-~~-AyZcQkoua?dl=0>>https://www.dropbox.com/sh/mlpd6l05bogvaf6/AABwAJLMttqG7i--AyZcQkoua?dl=0]]**
284 +(% 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/]]
311 311  )))
312 312  
313 313  
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314 314  
315 315  === 2.2.5  Use CoAP protocol to uplink data ===
316 316  
291 +(% 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/]]
317 317  
318 -(% 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/]]**
319 319  
320 -
321 321  (((
322 322  **Use below commands:**
323 323  )))
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421 421  
422 422  
423 423  (((
424 -N95S31B 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.
397 +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.
425 425  )))
426 426  
427 427  
... ... @@ -430,7 +430,7 @@
430 430  )))
431 431  
432 432  (((
433 - (% style="color:blue" %)**AT+CFGMOD=2 ** (%%)~/~/will set the N95S31B to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
406 + (% 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.
434 434  )))
435 435  
436 436  
... ... @@ -457,12 +457,10 @@
457 457  )))
458 458  1. (((
459 459  By default, the device will send an uplink message every 1 hour.
433 +)))
460 460  
461 461  
462 462  
463 -
464 -)))
465 -
466 466  === 2.3.1  Payload Analyze ===
467 467  
468 468  N95S31B uplink payload includes in total 21 bytes
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644 644  
645 645  == 2.4  Downlink Payload ==
646 646  
647 -By default, N95S31B prints the downlink payload to console port.
618 +By default, NDDS75 prints the downlink payload to console port.
648 648  
649 649  [[image:image-20220709100028-1.png]]
650 650  
... ... @@ -682,7 +682,7 @@
682 682  )))
683 683  
684 684  (((
685 -If payload = 0x04FF, it will reset the N95S31B
656 +If payload = 0x04FF, it will reset the NDDS75
686 686  )))
687 687  
688 688  
1657520100595-569.png
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1 -XWiki.Xiaoling
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