Last modified by Bei Jinggeng on 2024/05/31 09:53

From version 95.1
edited by Xiaoling
on 2022/07/09 10:20
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To version 111.1
edited by Bei Jinggeng
on 2024/05/31 09:53
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Title
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1 -NDDS75 NB-IoT Distance Detect Sensor User Manual
1 +NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 +
2 +
1 1  (% style="text-align:center" %)
2 -[[image:image-20220709085040-1.png||height="542" width="524"]]
4 +[[image:image-20220709085040-1.png||_mstalt="429481" height="542" width="524"]]
3 3  
4 4  
5 5  
... ... @@ -7,6 +7,7 @@
7 7  
8 8  **Table of Contents:**
9 9  
12 +{{toc/}}
10 10  
11 11  
12 12  
... ... @@ -21,24 +21,37 @@
21 21  
22 22  
23 23  (((
27 +(((
24 24  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.
25 -\\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.
26 -\\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.
27 -\\NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
28 -\\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)
29 -\\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.
30 30  )))
31 31  
32 -
31 +(((
32 +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.
33 33  )))
34 34  
35 -[[image:1654503236291-817.png]]
35 +(((
36 +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.
37 +)))
36 36  
39 +(((
40 +NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
41 +)))
37 37  
38 -[[image:1657327959271-447.png]]
43 +(((
44 +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)
45 +)))
39 39  
47 +(((
48 +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.
49 +)))
50 +)))
40 40  
52 +
53 +)))
41 41  
55 +[[image:1657327959271-447.png||_mstalt="297700"]]
56 +
57 +
42 42  == 1.2 ​ Features ==
43 43  
44 44  
... ... @@ -55,7 +55,6 @@
55 55  * Micro SIM card slot for NB-IoT SIM
56 56  * 8500mAh Battery for long term use
57 57  
58 -
59 59  == 1.3  Specification ==
60 60  
61 61  
... ... @@ -66,12 +66,12 @@
66 66  
67 67  (% style="color:#037691" %)**NB-IoT Spec:**
68 68  
69 -* - B1 @H-FDD: 2100MHz
70 -* - B3 @H-FDD: 1800MHz
71 -* - B8 @H-FDD: 900MHz
72 -* - B5 @H-FDD: 850MHz
73 -* - B20 @H-FDD: 800MHz
74 -* - B28 @H-FDD: 700MHz
84 +* B1 @H-FDD: 2100MHz
85 +* B3 @H-FDD: 1800MHz
86 +* B8 @H-FDD: 900MHz
87 +* B5 @H-FDD: 850MHz
88 +* B20 @H-FDD: 800MHz
89 +* B28 @H-FDD: 700MHz
75 75  
76 76  (% style="color:#037691" %)**Battery:**
77 77  
... ... @@ -84,12 +84,11 @@
84 84  (% style="color:#037691" %)**Power Consumption**
85 85  
86 86  * STOP Mode: 10uA @ 3.3v
87 -* Max transmit power: [[350mA@3.3v>>mailto:350mA@3.3v]]
102 +* Max transmit power: 350mA@3.3v
88 88  
89 -
90 -
91 91  == ​1.4  Applications ==
92 92  
106 +
93 93  * Smart Buildings & Home Automation
94 94  * Logistics and Supply Chain Management
95 95  * Smart Metering
... ... @@ -101,18 +101,17 @@
101 101  ​
102 102  
103 103  
104 -
105 105  == 1.5  Pin Definitions ==
106 106  
107 107  
108 -[[image:1657328609906-564.png]]
121 +[[image:1657328609906-564.png||_mstalt="297440"]]
109 109  
110 110  
111 -
112 112  = 2.  Use NDDS75 to communicate with IoT Server =
113 113  
114 114  == 2.1  How it works ==
115 115  
128 +
116 116  (((
117 117  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.
118 118  )))
... ... @@ -126,37 +126,36 @@
126 126  
127 127  )))
128 128  
129 -[[image:1657328659945-416.png]]
142 +[[image:1657328659945-416.png||_mstalt="297999"]]
130 130  
131 131  (((
132 132  
133 133  )))
134 134  
135 -
136 136  == 2.2 ​ Configure the NDDS75 ==
137 137  
138 -
139 139  === 2.2.1 Test Requirement ===
140 140  
152 +
141 141  (((
142 142  To use NDDS75 in your city, make sure meet below requirements:
143 143  )))
144 144  
145 145  * Your local operator has already distributed a NB-IoT Network there.
146 -* The local NB-IoT network used the band that NSE01 supports.
158 +* The local NB-IoT network used the band that NDDS75 supports.
147 147  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
148 148  
149 149  (((
150 -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 +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.
151 151  )))
152 152  
153 153  
154 -[[image:1657328756309-230.png]]
166 +[[image:1657328756309-230.png||_mstalt="294515"]]
155 155  
156 156  
157 -
158 158  === 2.2.2 Insert SIM card ===
159 159  
171 +
160 160  (((
161 161  Insert the NB-IoT Card get from your provider.
162 162  )))
... ... @@ -165,13 +165,12 @@
165 165  User need to take out the NB-IoT module and insert the SIM card like below:
166 166  )))
167 167  
180 +[[image:1657328884227-504.png||_mstalt="295776"]]
168 168  
169 -[[image:1657328884227-504.png]]
170 170  
171 -
172 -
173 173  === 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
174 174  
185 +
175 175  (((
176 176  (((
177 177  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.
... ... @@ -178,17 +178,18 @@
178 178  )))
179 179  )))
180 180  
181 -[[image:image-20220709092052-2.png]]
192 +[[image:image-20220709092052-2.png||_mstalt="430235"]]
182 182  
183 -**Connection:**
184 184  
185 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
195 +(% style="color:blue" %)**Connection:**
186 186  
187 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
197 + (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
188 188  
189 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
199 +**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
190 190  
201 +**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
191 191  
203 +
192 192  In the PC, use below serial tool settings:
193 193  
194 194  * Baud:  (% style="color:green" %)**9600**
... ... @@ -201,65 +201,79 @@
201 201  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.
202 202  )))
203 203  
204 -[[image:1657329814315-101.png]]
216 +[[image:1657329814315-101.png||_mstalt="292084"]]
205 205  
218 +
206 206  (((
207 -(% 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/]]
220 +(% style="color:red" %)**Note: the valid AT Commands can be found at: **(%%)**[[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]**
208 208  )))
209 209  
210 210  
211 -
212 212  === 2.2.4 Use CoAP protocol to uplink data ===
213 213  
214 -(% 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/]]
215 215  
227 +(% 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/]]**
216 216  
229 +
230 +(((
217 217  **Use below commands:**
232 +)))
218 218  
219 -* (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
220 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
221 -* (% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
234 +* (((
235 +(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
236 +)))
237 +* (((
238 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
239 +)))
240 +* (((
241 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
222 222  
243 +
244 +)))
245 +
246 +(((
223 223  For parameter description, please refer to AT command set
224 224  
225 -[[image:1657330452568-615.png]]
249 +
250 +)))
226 226  
252 +[[image:1657330452568-615.png||_mstalt="295555"]]
227 227  
254 +
255 +(((
228 228  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.
257 +)))
229 229  
230 -[[image:1657330472797-498.png]]
259 +[[image:1657330472797-498.png||_mstalt="299481"]]
231 231  
232 232  
233 -
234 234  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
235 235  
236 236  
237 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
238 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
239 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/If the server does not respond, this command is unnecessary
265 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
266 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
240 240  
241 -[[image:1657330501006-241.png]]
268 +[[image:1657330501006-241.png||_mstalt="290121"]]
242 242  
243 243  
244 -[[image:1657330533775-472.png]]
271 +[[image:1657330533775-472.png||_mstalt="295763"]]
245 245  
246 246  
247 -
248 248  === 2.2.6 Use MQTT protocol to uplink data ===
249 249  
250 250  
251 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
252 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
253 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
254 -* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/Set the username of MQTT
255 -* (% style="color:blue" %)**AT+PWD=PWD                                        **(%%)~/~/Set the password of MQTT
256 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
257 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
277 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
278 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
279 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
280 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
281 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
282 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
283 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
258 258  
259 -[[image:1657249978444-674.png]]
285 +[[image:1657249978444-674.png||_mstalt="299377"]]
260 260  
261 261  
262 -[[image:1657330723006-866.png]]
288 +[[image:1657330723006-866.png||_mstalt="294996"]]
263 263  
264 264  
265 265  (((
... ... @@ -267,88 +267,124 @@
267 267  )))
268 268  
269 269  
270 -
271 271  === 2.2.7 Use TCP protocol to uplink data ===
272 272  
273 273  
274 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
275 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
299 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
300 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
276 276  
277 -[[image:image-20220709093918-1.png]]
302 +[[image:image-20220709093918-1.png||_mstalt="433706"]]
278 278  
279 279  
280 -[[image:image-20220709093918-2.png]]
305 +[[image:image-20220709093918-2.png||_mstalt="434070"]]
281 281  
282 282  
283 -
284 284  === 2.2.8 Change Update Interval ===
285 285  
310 +
286 286  User can use below command to change the (% style="color:green" %)**uplink interval**.
287 287  
288 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
313 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
289 289  
290 290  (((
316 +
317 +
291 291  (% style="color:red" %)**NOTE:**
292 -)))
293 293  
294 -(((
295 -(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
320 +(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
321 +
322 +(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
296 296  )))
297 297  
325 +(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
298 298  
299 299  
300 300  == 2.3  Uplink Payload ==
301 301  
302 -In this mode, uplink payload includes in total 14 bytes
330 +=== 2.3.1  Before Firmware v1.3.2 ===
303 303  
304 304  
305 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
306 -|=(% style="width: 60px;" %)(((
333 +In this mode, uplink payload includes in total 14 bytes
334 +
335 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:440px" %)
336 +|=(% style="width: 61px;background-color:#4F81BD;color:white" %)(((
307 307  **Size(bytes)**
308 -)))|=(% style="width: 50px;" %)**6**|=(% style="width: 25px;" %)2|=(% style="width: 25px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 60px;" %)**2**|=(% style="width: 50px;" %)**1**
309 -|(% 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:108px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0SoilMoisture"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.8A0DigitalInterrupt"]]
338 +)))|=(% style="width: 61px;background-color:#4F81BD;color:white" %)**6**|=(% style="width: 37px;background-color:#4F81BD;color:white" %)2|=(% style="width: 37px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 82px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 102px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**1**
339 +|(% 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"]]
310 310  
311 311  (((
312 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
342 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
313 313  )))
314 314  
315 315  
316 -[[image:1657331036973-987.png]]
346 +[[image:1657331036973-987.png||_mstalt="298740"]]
317 317  
318 -(((
348 +
349 +The payload is **ASCII** string, representative same HEX:
350 +
351 +(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
352 +
353 +**where :**
354 +
355 +* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
356 +
357 +* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
358 +
359 +* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
360 +
361 +* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
362 +
363 +* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
364 +
365 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
366 +
367 +=== 2.3.2  Since firmware v1.3.2 ===
368 +
369 +
370 +In this mode, uplink payload includes 69 bytes in total by default.
371 +
372 +Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
373 +
374 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:490px" %)
375 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**8**|(% style="background-color:#4f81bd; color:white; width:25px" %)**2**|(% style="background-color:#4f81bd; color:white; width:25px" %)**2**|(% style="background-color:#4f81bd; color:white; width:60px" %)**1**|(% style="background-color:#4f81bd; color:white; width:25px" %)**1**|(% style="background-color:#4f81bd; color:white; width:40px" %)**1**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**4**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:65px" %)**4**
376 +|(% style="width:95px" %)Value|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
377 +
378 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
379 +
380 +[[image:image-20220908175246-1.png||_mstalt="432328"]]
381 +
382 +
319 319  The payload is ASCII string, representative same HEX:
320 -)))
321 321  
322 -(((
323 -0x72403155615900640c6c19029200 where:
324 -)))
385 +**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
325 325  
326 -* (((
327 -Device ID: 0x724031556159 = 724031556159
328 -)))
329 -* (((
330 -Version: 0x0064=100=1.0.0
331 -)))
387 +**where:**
332 332  
333 -* (((
334 -BAT: 0x0c6c = 3180 mV = 3.180V
335 -)))
336 -* (((
337 -Signal: 0x19 = 25
338 -)))
339 -* (((
340 -Distance: 0x0292= 658 mm
341 -)))
342 -* (((
343 -Interrupt: 0x00 = 0
344 -)))
389 +* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
345 345  
391 +* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
346 346  
347 -== 2.4  Payload Explanation and Sensor Interface ==
393 +* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
348 348  
395 +* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
349 349  
397 +* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
398 +
399 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
400 +
401 +* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
402 +
403 +* (% _mstmutation="1" style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/||_mstmutation="1"]])
404 +
405 +* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
406 +
407 +* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
408 +
409 +== 2.4  Payload Explanation and Sensor Interface ==
410 +
350 350  === 2.4.1  Device ID ===
351 351  
413 +
352 352  (((
353 353  By default, the Device ID equal to the last 6 bytes of IMEI.
354 354  )))
... ... @@ -355,10 +355,12 @@
355 355  
356 356  (((
357 357  User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
420 +
421 +
358 358  )))
359 359  
360 360  (((
361 -**Example:**
425 +(% style="color:blue" %)**Example :**
362 362  )))
363 363  
364 364  (((
... ... @@ -366,13 +366,25 @@
366 366  )))
367 367  
368 368  (((
369 -The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
433 +The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
370 370  )))
371 371  
372 372  
437 +(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
373 373  
439 +(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
440 +
441 +User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
442 +
443 +
444 +(% style="color:blue" %)**Example :**
445 +
446 +AT+DEUI=868411056754138
447 +
448 +
374 374  === 2.4.2  Version Info ===
375 375  
451 +
376 376  (((
377 377  Specify the software version: 0x64=100, means firmware version 1.00.
378 378  )))
... ... @@ -382,12 +382,8 @@
382 382  )))
383 383  
384 384  
385 -
386 386  === 2.4.3  Battery Info ===
387 387  
388 -(((
389 -Check the battery voltage for LSE01.
390 -)))
391 391  
392 392  (((
393 393  Ex1: 0x0B45 = 2885mV
... ... @@ -398,9 +398,9 @@
398 398  )))
399 399  
400 400  
401 -
402 402  === 2.4.4  Signal Strength ===
403 403  
475 +
404 404  (((
405 405  NB-IoT Network signal Strength.
406 406  )))
... ... @@ -430,29 +430,22 @@
430 430  )))
431 431  
432 432  
505 +=== 2.4.5  Distance ===
433 433  
434 -=== 2.4.5  Soil Moisture ===
435 435  
436 436  Get the distance. Flat object range 280mm - 7500mm.
437 437  
438 -For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
439 -
440 440  (((
441 -(((
442 -(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
511 +For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
443 443  )))
444 -)))
445 445  
446 446  (((
447 447  
448 448  )))
449 449  
450 -(((
451 -
452 -)))
453 -
454 454  === 2.4.6  Digital Interrupt ===
455 455  
520 +
456 456  (((
457 457  Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
458 458  )))
... ... @@ -462,7 +462,7 @@
462 462  )))
463 463  
464 464  (((
465 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
530 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
466 466  )))
467 467  
468 468  
... ... @@ -470,9 +470,8 @@
470 470  The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up.
471 471  )))
472 472  
473 -
474 474  (((
475 -Example:
539 +**Example:**
476 476  )))
477 477  
478 478  (((
... ... @@ -484,14 +484,13 @@
484 484  )))
485 485  
486 486  
487 -
488 488  === 2.4.7  ​+5V Output ===
489 489  
553 +
490 490  (((
491 491  NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
492 492  )))
493 493  
494 -
495 495  (((
496 496  The 5V output time can be controlled by AT Command.
497 497  )))
... ... @@ -505,14 +505,17 @@
505 505  )))
506 506  
507 507  
508 -
509 509  == 2.5  Downlink Payload ==
510 510  
573 +
511 511  By default, NDDS75 prints the downlink payload to console port.
512 512  
513 -[[image:image-20220709100028-1.png]]
576 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
577 +|(% style="background-color:#4f81bd; color:white; width:208px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:56px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:100px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:151px" %)**Downlink payload size(bytes)**
578 +|(% style="width:208px" %)TDC (Transmit Time Interval)|(% style="width:56px" %)Any|(% style="width:100px" %)01|(% style="width:154px" %)4
579 +|(% style="width:208px" %)RESET|(% style="width:56px" %)Any|(% style="width:100px" %)04|(% style="width:154px" %)2
580 +|(% style="width:208px" %)INTMOD|(% style="width:56px" %)Any|(% style="width:100px" %)06|(% style="width:154px" %)4
514 514  
515 -
516 516  (((
517 517  (% style="color:blue" %)**Examples:**
518 518  )))
... ... @@ -557,213 +557,191 @@
557 557  )))
558 558  
559 559  
626 +== 2.6  Distance alarm function(Since firmware v1.3.2) ==
560 560  
561 -== 2.6  ​LED Indicator ==
562 562  
629 +(% style="color:blue" %)** ➢ AT Command:**
563 563  
564 -The NDDS75 has an internal LED which is to show the status of different state.
631 +(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
565 565  
633 +² When min=0, and max≠0, Alarm higher than max
566 566  
567 -* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
568 -* Then the LED will be on for 1 second means device is boot normally.
569 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
570 -* For each uplink probe, LED will be on for 500ms.
635 +² When min≠0, and max=0, Alarm lower than min
571 571  
572 -(((
573 -
574 -)))
637 +² When min≠0 and max≠0, Alarm higher than max or lower than min
575 575  
576 576  
640 +(% style="color:blue" %)** Example:**
577 577  
578 -== 2.7  ​Firmware Change Log ==
642 +**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
579 579  
580 580  
581 -Download URL & Firmware Change log
645 +== 2.7  Set the number of data to be uploaded and the recording time ==
582 582  
583 -(((
584 -[[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/]]
585 -)))
586 586  
648 +(% style="color:blue" %)** ➢ AT Command:**
587 587  
588 -Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
650 +* (% style="color:#037691" %)** AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
651 +* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
589 589  
653 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
590 590  
655 +[[image:image-20221009001114-1.png||_mstalt="425269" height="687" width="955"]]
591 591  
592 -== 2.9  ​Battery Analysis ==
593 593  
594 -=== 2.9.1  ​Battery Type ===
658 +== 2.8  Read or Clear cached data ==
595 595  
596 596  
597 -(((
598 -The NSE01 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
599 -)))
661 +(% style="color:blue" %)** ➢ AT Command:**
600 600  
663 +* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
664 +* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
601 601  
602 -(((
603 -The battery is designed to last for several years depends on the actually use environment and update interval. 
604 -)))
666 +[[image:image-20220908175333-2.png||_mstalt="431665"]]
605 605  
606 606  
607 -(((
608 -The battery related documents as below:
609 -)))
669 +== 2.9  ​LED Indicator ==
610 610  
611 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
612 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
613 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
614 614  
615 -(((
616 -[[image:image-20220708140453-6.png]]
617 -)))
672 +The NDDS75 has an internal LED which is to show the status of different state.
618 618  
619 619  
675 +* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
676 +* Then the LED will be on for 1 second means device is boot normally.
677 +* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
678 +* For each uplink probe, LED will be on for 500ms.
620 620  
621 -=== 2.9.2  Power consumption Analyze ===
622 -
623 623  (((
624 -Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
681 +
625 625  )))
626 626  
627 627  
628 -(((
629 -Instruction to use as below:
630 -)))
685 +== 2.10  ​Firmware Change Log ==
631 631  
632 -(((
633 -(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
634 -)))
635 635  
636 -
637 637  (((
638 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
689 +Download URL & Firmware Change log:  [[https:~~/~~/www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0>>https://www.dropbox.com/sh/3hb94r49iszmstx/AADvSJcXxahEUfxqKWVnZx-La?dl=0]]
639 639  )))
640 640  
641 -* (((
642 -Product Model
643 -)))
644 -* (((
645 -Uplink Interval
646 -)))
647 -* (((
648 -Working Mode
649 -)))
650 -
651 651  (((
652 -And the Life expectation in difference case will be shown on the right.
693 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
653 653  )))
654 654  
655 -[[image:image-20220708141352-7.jpeg]]
656 656  
697 +== 2.11 Battery & Power Consumption ==
657 657  
658 658  
659 -=== 2.9.3  ​Battery Note ===
700 +NDDS75 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
660 660  
661 -(((
662 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
663 -)))
702 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
664 664  
665 665  
705 += 3. ​ Access NB-IoT Module =
666 666  
667 -=== 2.9.4  Replace the battery ===
668 668  
669 669  (((
670 -The default battery pack of NSE01 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
671 -)))
672 -
673 -
674 -
675 -= 3. ​ Access NB-IoT Module =
676 -
677 -(((
678 678  Users can directly access the AT command set of the NB-IoT module.
679 679  )))
680 680  
681 681  (((
682 -The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
713 +The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/||_mstmutation="1"]] 
714 +
715 +
683 683  )))
684 684  
685 -[[image:1657261278785-153.png]]
718 +[[image:1657333200519-600.png||_mstalt="291603"]]
686 686  
687 687  
688 -
689 689  = 4.  Using the AT Commands =
690 690  
691 691  == 4.1  Access AT Commands ==
692 692  
693 -See this link for detail: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NSE01/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
694 694  
726 +See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
695 695  
696 -AT+<CMD>?  : Help on <CMD>
697 697  
698 -AT+<CMD>         : Run <CMD>
729 +AT+<CMD>?  :  Help on <CMD>
699 699  
700 -AT+<CMD>=<value> : Set the value
731 +AT+<CMD>         :  Run <CMD>
701 701  
702 -AT+<CMD>= : Get the value
733 +AT+<CMD>=<value> :  Set the value
703 703  
735 +AT+<CMD>=?  :  Get the value
704 704  
737 +
705 705  (% style="color:#037691" %)**General Commands**(%%)      
706 706  
707 -AT  : Attention       
740 +AT  :  Attention       
708 708  
709 -AT?  : Short Help     
742 +AT?  :  Short Help     
710 710  
711 -ATZ  : MCU Reset    
744 +ATZ  :  MCU Reset    
712 712  
713 -AT+TDC  : Application Data Transmission Interval
746 +AT+TDC  :  Application Data Transmission Interval
714 714  
715 -AT+CFG  : Print all configurations
748 +AT+CFG  :  Print all configurations
716 716  
717 -AT+CFGMOD           : Working mode selection
750 +AT+CFGMOD           :  Working mode selection
718 718  
719 -AT+INTMOD            : Set the trigger interrupt mode
752 +AT+INTMOD            :  Set the trigger interrupt mode
720 720  
721 -AT+5VT  : Set extend the time of 5V power  
754 +AT+5VT  :  Set extend the time of 5V power  
722 722  
723 -AT+PRO  : Choose agreement
756 +AT+PRO  :  Choose agreement
724 724  
725 -AT+WEIGRE  : Get weight or set weight to 0
758 +AT+WEIGRE  :  Get weight or set weight to 0
726 726  
727 -AT+WEIGAP  : Get or Set the GapValue of weight
760 +AT+WEIGAP  :  Get or Set the GapValue of weight
728 728  
729 -AT+RXDL  : Extend the sending and receiving time
762 +AT+RXDL  :  Extend the sending and receiving time
730 730  
731 -AT+CNTFAC  : Get or set counting parameters
764 +AT+CNTFAC  :  Get or set counting parameters
732 732  
733 -AT+SERVADDR  : Server Address
766 +AT+SERVADDR  :  Server Address
734 734  
768 +AT+TR  :  Get or Set record time"
735 735  
736 -(% style="color:#037691" %)**COAP Management**      
770 +AT+APN     :  Get or set the APN
737 737  
738 -AT+URI            : Resource parameters
772 +AT+FBAND  :  Get or Set whether to automatically modify the frequency band
739 739  
774 +AT+DNSCFG  : Get or Set DNS Server
740 740  
741 -(% style="color:#037691" %)**UDP Management**
776 +AT+GETSENSORVALUE   :  Returns the current sensor measurement
742 742  
743 -AT+CFM          : Upload confirmation mode (only valid for UDP)
778 +AT+NOUD  :  Get or Set the number of data to be uploaded
744 744  
780 +AT+CDP     :  Read or Clear cached data
745 745  
782 +AT+LDDSALARM :  Get or Set alarm of distance
783 +
784 +
785 +(% style="color:#037691" %)**COAP Management**      
786 +
787 +AT+URI            :  Resource parameters
788 +
789 +
790 +
746 746  (% style="color:#037691" %)**MQTT Management**
747 747  
748 -AT+CLIENT               : Get or Set MQTT client
793 +AT+CLIENT  :  Get or Set MQTT client
749 749  
750 -AT+UNAME  : Get or Set MQTT Username
795 +AT+UNAME  :  Get or Set MQTT Username
751 751  
752 -AT+PWD                  : Get or Set MQTT password
797 +AT+PWD  :  Get or Set MQTT password
753 753  
754 -AT+PUBTOPIC  : Get or Set MQTT publish topic
799 +AT+PUBTOPIC  :  Get or Set MQTT publish topic
755 755  
756 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
801 +AT+SUBTOPIC  :  Get or Set MQTT subscription topic
757 757  
758 758  
759 759  (% style="color:#037691" %)**Information**          
760 760  
761 -AT+FDR  : Factory Data Reset
806 +AT+FDR  :  Factory Data Reset
762 762  
763 -AT+PWORD  : Serial Access Password
808 +AT+PWORD  :  Serial Access Password
764 764  
765 765  
766 -
767 767  = ​5.  FAQ =
768 768  
769 769  == 5.1 ​ How to Upgrade Firmware ==
... ... @@ -778,18 +778,10 @@
778 778  )))
779 779  
780 780  (((
781 -(% style="color:red" %)Notice, NSE01 and LSE01 share the same mother board. They use the same connection and method to update.
825 +(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
782 782  )))
783 783  
784 784  
785 -
786 -== 5.2  Can I calibrate NSE01 to different soil types? ==
787 -
788 -(((
789 -NSE01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/LSE01/Calibrate_to_other_Soil_20220605.pdf]].
790 -)))
791 -
792 -
793 793  = 6.  Trouble Shooting =
794 794  
795 795  == 6.1  ​Connection problem when uploading firmware ==
... ... @@ -804,27 +804,47 @@
804 804  
805 805  )))
806 806  
807 -
808 808  == 6.2  AT Command input doesn't work ==
809 809  
845 +
810 810  (((
811 811  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
812 -
813 -
814 814  )))
815 815  
816 816  
817 -= 7. ​ Order Info =
851 +== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
818 818  
819 819  
820 -Part Number**:** (% style="color:#4f81bd" %)**NSE01**
854 +This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
821 821  
822 822  
823 -(% class="wikigeneratedid" %)
824 -(((
825 -
826 -)))
857 +== 6.4 Why does the DDS75 sensor keep flashing blue? ==
827 827  
859 +This is caused by the incompatibility between the latest firmware and the hardware.
860 +
861 +Please check your hardware production date
862 +
863 +The first two digits are the week of the year, and the last two digits are the year.
864 +
865 +The number 3322 is the first batch we changed the power IC.
866 +
867 +As shown below:
868 +
869 + [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20240531090837-1.png?rev=1.1||_mstalt="431418" alt="image-20240531090837-1.png"]]
870 +
871 +Have you updated the Lora ST's firmware? Please send downline 26 01 to check the version number.
872 +
873 +If it is v1.4.1 version, please modify a value according to the above four digits, the AT command is AT+POWERIC. The date after 3322 is AT+POWERIC=1, and the date before it is AT+POWERIC=0.
874 +
875 +Downlink is FF 01(AT+POWERIC=1);FF 00(AT+POWERIC=0).
876 +
877 +
878 += 7. ​ Order Info =
879 +
880 +
881 +Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
882 +
883 +
828 828  = 8.  Packing Info =
829 829  
830 830  (((
... ... @@ -832,7 +832,7 @@
832 832  
833 833  (% style="color:#037691" %)**Package Includes**:
834 834  
835 -* NSE01 NB-IoT Soil Moisture & EC Sensor x 1
891 +* NDDS75 NB-IoT Distance Detect Sensor Node x 1
836 836  * External antenna x 1
837 837  )))
838 838  
... ... @@ -841,18 +841,21 @@
841 841  
842 842  (% style="color:#037691" %)**Dimension and weight**:
843 843  
844 -* Size: 195 x 125 x 55 mm
845 -* Weight:   420g
900 +* Device Size: 13.0 x 5 x 4.5 cm
901 +* Device Weight: 150g
902 +* Package Size / pcs : 15 x 12x 5.5 cm
903 +* Weight / pcs : 220g
846 846  )))
847 847  
848 848  (((
849 849  
850 850  
851 -
852 852  
853 853  )))
854 854  
855 855  = 9.  Support =
856 856  
914 +
857 857  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
916 +
858 858  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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