Last modified by Mengting Qiu on 2024/04/02 16:44
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From version < 117.2 >
edited by Xiaoling
on 2022/07/11 11:35
To version < 119.2 >
edited by Xiaoling
on 2022/08/22 14:47
>
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... ... @@ -17,6 +17,7 @@
17 17  
18 18  = 1.  Introduction =
19 19  
20 +
20 20  == 1.1 ​ What is N95S31B NB-IoT Sensor Node ==
21 21  
22 22  (((
... ... @@ -55,6 +55,7 @@
55 55  
56 56  == 1.2 ​ Features ==
57 57  
59 +
58 58  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
59 59  * Monitor Temperature & Humidity via SHT31
60 60  * AT Commands to change parameters
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67 67  * 8500mAh Battery for long term use
68 68  
69 69  
72 +
73 +
70 70  == 1.3  Specification ==
71 71  
72 72  
... ... @@ -75,6 +75,8 @@
75 75  * Supply Voltage: 2.1v ~~ 3.6v
76 76  * Operating Temperature: -40 ~~ 85°C
77 77  
82 +
83 +
78 78  (% style="color:#037691" %)**NB-IoT Spec:**
79 79  
80 80  * - B1 @H-FDD: 2100MHz
... ... @@ -84,6 +84,8 @@
84 84  * - B20 @H-FDD: 800MHz
85 85  * - B28 @H-FDD: 700MHz
86 86  
93 +
94 +
87 87  (% style="color:#037691" %)**Battery:**
88 88  
89 89  * Li/SOCI2 un-chargeable battery
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93 93  * Max boost current: 2A, 1 second
94 94  
95 95  
104 +
105 +
96 96  == ​1.4  Applications ==
97 97  
108 +
98 98  * Smart Buildings & Home Automation
99 99  * Logistics and Supply Chain Management
100 100  * Smart Metering
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106 106  ​
107 107  
108 108  
120 +
109 109  == 1.5  Pin Definitions & Switch ==
110 110  
123 +
111 111  N95S31B use the mother board from NBSN95 which as below.
112 112  
126 +
113 113  [[image:image-20220709144723-1.png]]
114 114  
115 115  
130 +
116 116  === 1.5.1 Jumper JP2 ===
117 117  
133 +
118 118  Power on Device when put this jumper.
119 119  
120 120  
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121 121  
122 122  === 1.5.2 BOOT MODE / SW1 ===
123 123  
140 +
124 124  (((
125 125  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.
126 126  )))
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133 133  
134 134  === 1.5.3 Reset Button ===
135 135  
153 +
136 136  Press to reboot the device.
137 137  
138 138  
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139 139  
140 140  === 1.5.4 LED ===
141 141  
160 +
142 142  It will flash:
143 143  
144 144  1. When boot the device in flash mode
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145 145  1. Send an uplink packet
146 146  
147 147  
167 +
168 +
148 148  = 2.  Use N95S31B to communicate with IoT Server =
149 149  
171 +
150 150  == 2.1  How it works ==
151 151  
152 152  
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163 163  
164 164  )))
165 165  
166 -[[image:1657350248151-650.png]]
188 +[[image:1657520100595-569.png]]
167 167  
168 168  (((
169 169  
... ... @@ -179,6 +179,7 @@
179 179  [[image:image-20220709150546-2.png]]
180 180  
181 181  
204 +
182 182  === 2.2.1 Test Requirement ===
183 183  
184 184  
... ... @@ -231,6 +231,7 @@
231 231  
232 232  === 2.2.3  Insert SIM card ===
233 233  
257 +
234 234  (((
235 235  Insert the NB-IoT Card get from your provider.
236 236  )))
... ... @@ -246,14 +246,18 @@
246 246  
247 247  === 2.2.4  Connect USB – TTL to N95S31B to configure it ===
248 248  
273 +
249 249  (((
250 250  (((
251 251  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 +
252 252  )))
253 253  )))
254 254  
255 255  [[image:1657351312545-300.png]]
256 256  
284 +
257 257  **Connection:**
258 258  
259 259   (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
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277 277  
278 278  [[image:1657329814315-101.png]]
279 279  
308 +
280 280  (((
281 -(% 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/]]
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]]**
282 282  )))
283 283  
284 284  
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285 285  
286 286  === 2.2.5  Use CoAP protocol to uplink data ===
287 287  
288 -(% 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/]]
289 289  
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/]]**
290 290  
320 +
291 291  (((
292 292  **Use below commands:**
293 293  )))
... ... @@ -391,7 +391,7 @@
391 391  
392 392  
393 393  (((
394 -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.
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.
395 395  )))
396 396  
397 397  
... ... @@ -400,7 +400,7 @@
400 400  )))
401 401  
402 402  (((
403 - (% 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.
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.
404 404  )))
405 405  
406 406  
... ... @@ -427,9 +427,12 @@
427 427  )))
428 428  1. (((
429 429  By default, the device will send an uplink message every 1 hour.
430 -)))
431 431  
432 432  
462 +
463 +
464 +)))
465 +
433 433  === 2.3.1  Payload Analyze ===
434 434  
435 435  N95S31B uplink payload includes in total 21 bytes
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611 611  
612 612  == 2.4  Downlink Payload ==
613 613  
614 -By default, NDDS75 prints the downlink payload to console port.
647 +By default, N95S31B prints the downlink payload to console port.
615 615  
616 616  [[image:image-20220709100028-1.png]]
617 617  
... ... @@ -649,7 +649,7 @@
649 649  )))
650 650  
651 651  (((
652 -If payload = 0x04FF, it will reset the NDDS75
685 +If payload = 0x04FF, it will reset the N95S31B
653 653  )))
654 654  
655 655  
1657520100595-569.png
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1 +XWiki.Xiaoling
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