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Last modified by Bei Jinggeng on 2024/05/31 09:53
From version 104.3
edited by Xiaoling
on 2022/09/09 11:50
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To version 45.3
edited by Xiaoling
on 2022/07/08 10:24
Change comment: There is no comment for this version

Summary

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Title
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1 -NDDS75 NB-IoT Distance Detect Sensor User Manual
1 +NSE01 - NB-IoT Soil Moisture & EC Sensor User Manual
Content
... ... @@ -1,76 +1,66 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20220709085040-1.png||height="542" width="524"]]
2 +[[image:image-20220606151504-2.jpeg||height="554" width="554"]]
3 3  
4 4  
5 5  
6 6  
7 7  
8 -**Table of Contents:**
9 9  
10 -{{toc/}}
11 11  
12 12  
13 13  
14 14  
15 15  
14 +**Table of Contents:**
16 16  
17 -= 1.  Introduction =
18 18  
19 19  
20 -== 1.1 ​ What is NDDS75 Distance Detection Sensor ==
21 21  
22 -(((
23 -
24 24  
25 -(((
26 -(((
27 -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.
28 -)))
29 29  
30 -(((
31 -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.
32 -)))
21 += 1.  Introduction =
33 33  
34 -(((
35 -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.
36 -)))
23 +== 1.1 ​ What is LoRaWAN Soil Moisture & EC Sensor ==
37 37  
38 38  (((
39 -NDDS75 supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP and CoAP** (%%)for different application requirement.
40 -)))
26 +
41 41  
42 -(((
43 -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)
44 -)))
28 +Dragino NSE01 is an (% style="color:blue" %)**NB-IOT soil moisture & EC sensor**(%%) for agricultural IoT. Used to measure the soil moisture of saline-alkali soil and loam. The soil sensor uses the FDR method to calculate soil moisture and compensates it with soil temperature and electrical conductivity. It has also been calibrated for mineral soil types at the factory.
45 45  
46 -(((
47 -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.
48 -)))
49 -)))
30 +It can detect (% style="color:blue" %)**Soil Moisture, Soil Temperature and Soil Conductivity**(%%), and upload its value to the server wirelessly.
50 50  
32 +The wireless technology used in NSE01 allows the device to send data at a low data rate and reach ultra-long distances, providing ultra-long-distance spread spectrum Communication.
33 +
34 +NSE01 are powered by (% style="color:blue" %)**8500mAh Li-SOCI2**(%%) batteries, which can be used for up to 5 years.  
35 +
51 51  
52 52  )))
53 53  
54 -[[image:1657327959271-447.png]]
39 +[[image:1654503236291-817.png]]
55 55  
56 56  
42 +[[image:1657245163077-232.png]]
57 57  
58 -== 1.2 ​ Features ==
59 59  
60 60  
46 +== 1.2 ​Features ==
47 +
48 +
61 61  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
62 -* Ultra low power consumption
63 -* Distance Detection by Ultrasonic technology
64 -* Flat object range 280mm - 7500mm
65 -* Accuracy: ±(1cm+S*0.3%) (S: Distance)
66 -* Cable Length: 25cm
50 +* Monitor Soil Moisture
51 +* Monitor Soil Temperature
52 +* Monitor Soil Conductivity
67 67  * AT Commands to change parameters
68 68  * Uplink on periodically
69 69  * Downlink to change configure
70 70  * IP66 Waterproof Enclosure
57 +* Ultra-Low Power consumption
58 +* AT Commands to change parameters
71 71  * Micro SIM card slot for NB-IoT SIM
72 72  * 8500mAh Battery for long term use
73 73  
62 +
63 +
74 74  == 1.3  Specification ==
75 75  
76 76  
... ... @@ -79,6 +79,7 @@
79 79  * Supply Voltage: 2.1v ~~ 3.6v
80 80  * Operating Temperature: -40 ~~ 85°C
81 81  
72 +
82 82  (% style="color:#037691" %)**NB-IoT Spec:**
83 83  
84 84  * - B1 @H-FDD: 2100MHz
... ... @@ -88,739 +88,727 @@
88 88  * - B20 @H-FDD: 800MHz
89 89  * - B28 @H-FDD: 700MHz
90 90  
91 -(% style="color:#037691" %)**Battery:**
92 92  
93 -* Li/SOCI2 un-chargeable battery
94 -* Capacity: 8500mAh
95 -* Self Discharge: <1% / Year @ 25°C
96 -* Max continuously current: 130mA
97 -* Max boost current: 2A, 1 second
83 +(% style="color:#037691" %)**Probe Specification:**
98 98  
99 -(% style="color:#037691" %)**Power Consumption**
85 +Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
100 100  
101 -* STOP Mode: 10uA @ 3.3v
102 -* Max transmit power: 350mA@3.3v
87 +[[image:image-20220708101224-1.png]]
103 103  
104 -== ​1.4  Applications ==
105 105  
106 106  
107 -* Smart Buildings & Home Automation
108 -* Logistics and Supply Chain Management
109 -* Smart Metering
91 +== ​1.4  Applications ==
92 +
110 110  * Smart Agriculture
111 -* Smart Cities
112 -* Smart Factory
113 113  
114 114  (% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
115 115  ​
116 116  
117 -
118 -
119 -
120 120  == 1.5  Pin Definitions ==
121 121  
122 122  
123 -[[image:1657328609906-564.png]]
101 +[[image:1657246476176-652.png]]
124 124  
125 125  
126 126  
127 -= 2.  Use NDDS75 to communicate with IoT Server =
105 += 2.  Use NSE01 to communicate with IoT Server =
128 128  
129 -
130 130  == 2.1  How it works ==
131 131  
132 132  
133 133  (((
134 -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.
111 +The NSE01 is equipped with a NB-IoT module, the pre-loaded firmware in NSE01 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 NSE01.
135 135  )))
136 136  
137 137  
138 138  (((
139 -The diagram below shows the working flow in default firmware of NDDS75:
116 +The diagram below shows the working flow in default firmware of NSE01:
140 140  )))
141 141  
119 +[[image:image-20220708101605-2.png]]
120 +
142 142  (((
143 143  
144 144  )))
145 145  
146 -[[image:1657328659945-416.png]]
147 147  
148 -(((
149 -
150 -)))
151 151  
127 +== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
152 152  
153 -== 2.2 ​ Configure the NDDS75 ==
129 +Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
154 154  
155 155  
156 -=== 2.2.1 Test Requirement ===
132 +[[image:1654503992078-669.png]]
157 157  
158 158  
159 -(((
160 -To use NDDS75 in your city, make sure meet below requirements:
161 -)))
135 +The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
162 162  
163 -* Your local operator has already distributed a NB-IoT Network there.
164 -* The local NB-IoT network used the band that NDDS75 supports.
165 -* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
166 166  
167 -(((
168 -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.
169 -)))
138 +(% style="color:blue" %)**Step 1**(%%):  Create a device in TTN with the OTAA keys from LSE01.
170 170  
140 +Each LSE01 is shipped with a sticker with the default device EUI as below:
171 171  
172 -[[image:1657328756309-230.png]]
142 +[[image:image-20220606163732-6.jpeg]]
173 173  
144 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
174 174  
146 +**Add APP EUI in the application**
175 175  
176 -=== 2.2.2 Insert SIM card ===
177 177  
149 +[[image:1654504596150-405.png]]
178 178  
179 -(((
180 -Insert the NB-IoT Card get from your provider.
181 -)))
182 182  
183 -(((
184 -User need to take out the NB-IoT module and insert the SIM card like below:
185 -)))
186 186  
153 +**Add APP KEY and DEV EUI**
187 187  
188 -[[image:1657328884227-504.png]]
155 +[[image:1654504683289-357.png]]
189 189  
190 190  
191 191  
192 -=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
159 +(% style="color:blue" %)**Step 2**(%%): Power on LSE01
193 193  
194 194  
195 -(((
196 -(((
197 -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.
198 -)))
199 -)))
162 +Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position).
200 200  
201 -[[image:image-20220709092052-2.png]]
164 +[[image:image-20220606163915-7.png]]
202 202  
203 203  
204 -**Connection:**
167 +(% style="color:blue" %)**Step 3**(%%)**:** The LSE01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
205 205  
206 - (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
169 +[[image:1654504778294-788.png]]
207 207  
208 - (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
209 209  
210 - (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
211 211  
173 +== 2.3 Uplink Payload ==
212 212  
213 -In the PC, use below serial tool settings:
214 214  
215 -* Baud:  (% style="color:green" %)**9600**
216 -* Data bits:** (% style="color:green" %)8(%%)**
217 -* Stop bits: (% style="color:green" %)**1**
218 -* Parity:  (% style="color:green" %)**None**
219 -* Flow Control: (% style="color:green" %)**None**
176 +=== 2.3.1 MOD~=0(Default Mode) ===
220 220  
178 +LSE01 will uplink payload via LoRaWAN with below payload format: 
179 +
221 221  (((
222 -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.
181 +Uplink payload includes in total 11 bytes.
223 223  )))
224 224  
225 -[[image:1657329814315-101.png]]
184 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
185 +|(((
186 +**Size**
226 226  
188 +**(bytes)**
189 +)))|**2**|**2**|**2**|**2**|**2**|**1**
190 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(((
191 +Temperature
227 227  
228 -(((
229 -(% 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]]**
193 +(Reserve, Ignore now)
194 +)))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]]|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]]|(((
195 +MOD & Digital Interrupt
196 +
197 +(Optional)
230 230  )))
231 231  
200 +=== 2.3.2 MOD~=1(Original value) ===
232 232  
202 +This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).
233 233  
234 -=== 2.2.4 Use CoAP protocol to uplink data ===
204 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
205 +|(((
206 +**Size**
235 235  
208 +**(bytes)**
209 +)))|**2**|**2**|**2**|**2**|**2**|**1**
210 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(((
211 +Temperature
236 236  
237 -(% 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/]]**
213 +(Reserve, Ignore now)
214 +)))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]](raw)|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]](raw)|(((
215 +MOD & Digital Interrupt
238 238  
217 +(Optional)
218 +)))
239 239  
220 +=== 2.3.3 Battery Info ===
221 +
240 240  (((
241 -**Use below commands:**
223 +Check the battery voltage for LSE01.
242 242  )))
243 243  
244 -* (((
245 -(% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
226 +(((
227 +Ex1: 0x0B45 = 2885mV
246 246  )))
247 -* (((
248 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
229 +
230 +(((
231 +Ex2: 0x0B49 = 2889mV
249 249  )))
250 -* (((
251 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
252 252  
253 253  
254 -
235 +
236 +=== 2.3.4 Soil Moisture ===
237 +
238 +(((
239 +Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.
255 255  )))
256 256  
257 257  (((
258 -For parameter description, please refer to AT command set
243 +For example, if the data you get from the register is __0x05 0xDC__, the moisture content in the soil is
244 +)))
259 259  
246 +(((
260 260  
261 261  )))
262 262  
263 -[[image:1657330452568-615.png]]
264 -
265 -
266 -
267 267  (((
268 -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.
269 -
270 -
251 +(% style="color:#4f81bd" %)**05DC(H) = 1500(D) /100 = 15%.**
271 271  )))
272 272  
273 -[[image:1657330472797-498.png]]
274 274  
275 275  
256 +=== 2.3.5 Soil Temperature ===
276 276  
277 -=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
258 +(((
259 + Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is
260 +)))
278 278  
262 +(((
263 +**Example**:
264 +)))
279 279  
280 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
281 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
282 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
266 +(((
267 +If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/100 = 2.61 °C
268 +)))
283 283  
284 -[[image:1657330501006-241.png]]
270 +(((
271 +If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C
272 +)))
285 285  
286 286  
287 -[[image:1657330533775-472.png]]
288 288  
276 +=== 2.3.6 Soil Conductivity (EC) ===
289 289  
278 +(((
279 +Obtain (% style="color:#4f81bd" %)**__soluble salt concentration__**(%%) in soil or (% style="color:#4f81bd" %)**__soluble ion concentration in liquid fertilizer__**(%%) or (% style="color:#4f81bd" %)**__planting medium__**(%%). The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).
280 +)))
290 290  
291 -=== 2.2.6 Use MQTT protocol to uplink data ===
282 +(((
283 +For example, if the data you get from the register is 0x00 0xC8, the soil conductivity is 00C8(H) = 200(D) = 200 uS/cm.
284 +)))
292 292  
286 +(((
287 +Generally, the EC value of irrigation water is less than 800uS / cm.
288 +)))
293 293  
294 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
295 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
296 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
297 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
298 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
299 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
300 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
290 +(((
291 +
292 +)))
301 301  
302 -[[image:1657249978444-674.png]]
303 -
304 -
305 -[[image:1657330723006-866.png]]
306 -
307 -
308 308  (((
309 -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.
295 +
310 310  )))
311 311  
298 +=== 2.3.7 MOD ===
312 312  
300 +Firmware version at least v2.1 supports changing mode.
313 313  
314 -=== 2.2.7 Use TCP protocol to uplink data ===
302 +For example, bytes[10]=90
315 315  
304 +mod=(bytes[10]>>7)&0x01=1.
316 316  
317 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
318 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
319 319  
320 -[[image:image-20220709093918-1.png]]
307 +**Downlink Command:**
321 321  
309 +If payload = 0x0A00, workmode=0
322 322  
323 -[[image:image-20220709093918-2.png]]
311 +If** **payload =** **0x0A01, workmode=1
324 324  
325 325  
326 326  
327 -=== 2.2.8 Change Update Interval ===
315 +=== 2.3.8 ​Decode payload in The Things Network ===
328 328  
317 +While using TTN network, you can add the payload format to decode the payload.
329 329  
330 -User can use below command to change the (% style="color:green" %)**uplink interval**.
331 331  
332 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
320 +[[image:1654505570700-128.png]]
333 333  
334 334  (((
335 -(% style="color:red" %)**NOTE 1: By default, the device will send an uplink message every 1 hour.**
323 +The payload decoder function for TTN is here:
324 +)))
336 336  
337 -
326 +(((
327 +LSE01 TTN Payload Decoder: [[https:~~/~~/www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0>>https://www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0]]
338 338  )))
339 339  
340 -(% style="color:red" %)**NOTE 2: When the firmware version is v1.3.2 and later firmware:**
341 341  
342 -(% 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).**
331 +== 2.4 Uplink Interval ==
343 343  
333 +The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
344 344  
345 345  
346 -== 2.3  Uplink Payload ==
347 347  
337 +== 2.5 Downlink Payload ==
348 348  
349 -=== 2.3.1  Before Firmware 1.3.2 ===
339 +By default, LSE50 prints the downlink payload to console port.
350 350  
341 +[[image:image-20220606165544-8.png]]
351 351  
352 -In this mode, uplink payload includes in total 14 bytes
353 353  
354 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
355 -|=(% style="width: 60px;" %)(((
356 -**Size(bytes)**
357 -)))|=(% style="width: 60px;" %)**6**|=(% style="width: 35px;" %)2|=(% style="width: 35px;" %)**2**|=(% style="width: 80px;" %)**1**|=(% style="width: 100px;" %)**2**|=(% style="width: 60px;" %)**1**
358 -|(% 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"]]
344 +(((
345 +(% style="color:blue" %)**Examples:**
346 +)))
359 359  
360 360  (((
361 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
349 +
362 362  )))
363 363  
352 +* (((
353 +(% style="color:blue" %)**Set TDC**
354 +)))
364 364  
365 -[[image:1657331036973-987.png]]
356 +(((
357 +If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01.
358 +)))
366 366  
360 +(((
361 +Payload:    01 00 00 1E    TDC=30S
362 +)))
367 367  
368 368  (((
369 -The payload is **ASCII** string, representative same HEX:
365 +Payload:    01 00 00 3C    TDC=60S
370 370  )))
371 371  
372 372  (((
373 -0x72403155615900640c6c19029200 where:
369 +
374 374  )))
375 375  
376 376  * (((
377 -Device ID: 0x724031556159 = 724031556159
373 +(% style="color:blue" %)**Reset**
378 378  )))
379 -* (((
380 -Version:  0x0064=100=1.0.0
375 +
376 +(((
377 +If payload = 0x04FF, it will reset the LSE01
381 381  )))
382 382  
383 -* (((
384 -BAT:  0x0c6c = 3180 mV = 3.180V
380 +
381 +* (% style="color:blue" %)**CFM**
382 +
383 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
384 +
385 +
386 +
387 +== 2.6 ​Show Data in DataCake IoT Server ==
388 +
389 +(((
390 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
385 385  )))
386 -* (((
387 -Signal: 0x19 = 25
392 +
393 +(((
394 +
388 388  )))
389 -* (((
390 -Distance: 0x0292= 658 mm
396 +
397 +(((
398 +(% style="color:blue" %)**Step 1**(%%):  Be sure that your device is programmed and properly connected to the network at this time.
391 391  )))
392 -* (((
393 -Interrupt: 0x00 = 0
394 394  
401 +(((
402 +(% style="color:blue" %)**Step 2**(%%):  To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:
403 +)))
395 395  
396 396  
406 +[[image:1654505857935-743.png]]
397 397  
398 -
399 -)))
400 400  
401 -=== **2.3.2  Since firmware v1.3.2** ===
409 +[[image:1654505874829-548.png]]
402 402  
403 403  
404 -In this mode, uplink payload includes 69 bytes in total by default.
412 +(% style="color:blue" %)**Step 3**(%%)**:**  Create an account or log in Datacake.
405 405  
406 -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.
414 +(% style="color:blue" %)**Step 4**(%%)**:**  Search the LSE01 and add DevEUI.
407 407  
408 -(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
409 -|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4
410 -|(% 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.......
411 411  
412 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
417 +[[image:1654505905236-553.png]]
413 413  
414 -[[image:image-20220908175246-1.png]]
415 415  
420 +After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
416 416  
417 -The payload is ASCII string, representative same HEX:
422 +[[image:1654505925508-181.png]]
418 418  
419 -0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
420 420  
421 -* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
422 -* (% style="color:red" %)Version: 0x0084=132=1.3.2
423 -* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
424 -* (% style="color:blue" %)Singal: 0x1e = 30
425 -* (% style="color:red" %)Mod: 0x01 = 1
426 -* Interrupt: 0x00= 0
427 -* Distance: 0x0039= 57 = 57
428 -* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
429 -* Distance,Time stamp : 00396319baf0
430 -* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
431 431  
426 +== 2.7 Frequency Plans ==
432 432  
428 +The LSE01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
433 433  
434 434  
431 +=== 2.7.1 EU863-870 (EU868) ===
435 435  
436 -== 2.4  Payload Explanation and Sensor Interface ==
433 +(% style="color:#037691" %)** Uplink:**
437 437  
435 +868.1 - SF7BW125 to SF12BW125
438 438  
439 -=== 2.4.1  Device ID ===
437 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
440 440  
439 +868.5 - SF7BW125 to SF12BW125
441 441  
442 -(((
443 -By default, the Device ID equal to the last 6 bytes of IMEI.
444 -)))
441 +867.1 - SF7BW125 to SF12BW125
445 445  
446 -(((
447 -User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
443 +867.3 - SF7BW125 to SF12BW125
448 448  
449 -
450 -)))
445 +867.5 - SF7BW125 to SF12BW125
451 451  
452 -(((
453 -(% style="color:blue" %)**Example :**
454 -)))
447 +867.7 - SF7BW125 to SF12BW125
455 455  
456 -(((
457 -AT+DEUI=A84041F15612
458 -)))
449 +867.9 - SF7BW125 to SF12BW125
459 459  
460 -(((
461 -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.
462 -)))
451 +868.8 - FSK
463 463  
464 464  
465 -(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
454 +(% style="color:#037691" %)** Downlink:**
466 466  
467 -(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
456 +Uplink channels 1-9 (RX1)
468 468  
469 -User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
458 +869.525 - SF9BW125 (RX2 downlink only)
470 470  
471 471  
472 -(% style="color:blue" %)**Example :**
473 473  
474 -AT+DEUI=868411056754138
462 +=== 2.7.2 US902-928(US915) ===
475 475  
464 +Used in USA, Canada and South America. Default use CHE=2
476 476  
466 +(% style="color:#037691" %)**Uplink:**
477 477  
478 -=== 2.4.2  Version Info ===
468 +903.9 - SF7BW125 to SF10BW125
479 479  
470 +904.1 - SF7BW125 to SF10BW125
480 480  
481 -(((
482 -Specify the software version: 0x64=100, means firmware version 1.00.
483 -)))
472 +904.3 - SF7BW125 to SF10BW125
484 484  
485 -(((
486 -For example: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.
487 -)))
474 +904.5 - SF7BW125 to SF10BW125
488 488  
476 +904.7 - SF7BW125 to SF10BW125
489 489  
478 +904.9 - SF7BW125 to SF10BW125
490 490  
491 -=== 2.4.3  Battery Info ===
480 +905.1 - SF7BW125 to SF10BW125
492 492  
482 +905.3 - SF7BW125 to SF10BW125
493 493  
494 -(((
495 -Ex1: 0x0B45 = 2885mV
496 -)))
497 497  
498 -(((
499 -Ex2: 0x0B49 = 2889mV
500 -)))
485 +(% style="color:#037691" %)**Downlink:**
501 501  
487 +923.3 - SF7BW500 to SF12BW500
502 502  
489 +923.9 - SF7BW500 to SF12BW500
503 503  
504 -=== 2.4.4  Signal Strength ===
491 +924.5 - SF7BW500 to SF12BW500
505 505  
493 +925.1 - SF7BW500 to SF12BW500
506 506  
507 -(((
508 -NB-IoT Network signal Strength.
509 -)))
495 +925.7 - SF7BW500 to SF12BW500
510 510  
511 -(((
512 -**Ex1: 0x1d = 29**
513 -)))
497 +926.3 - SF7BW500 to SF12BW500
514 514  
515 -(((
516 -(% style="color:blue" %)**0**(%%)  -113dBm or less
517 -)))
499 +926.9 - SF7BW500 to SF12BW500
518 518  
519 -(((
520 -(% style="color:blue" %)**1**(%%)  -111dBm
521 -)))
501 +927.5 - SF7BW500 to SF12BW500
522 522  
523 -(((
524 -(% style="color:blue" %)**2...30**(%%) -109dBm... -53dBm
525 -)))
503 +923.3 - SF12BW500(RX2 downlink only)
526 526  
527 -(((
528 -(% style="color:blue" %)**31**  (%%) -51dBm or greater
529 -)))
530 530  
531 -(((
532 -(% style="color:blue" %)**99**   (%%) Not known or not detectable
533 -)))
534 534  
507 +=== 2.7.3 CN470-510 (CN470) ===
535 535  
509 +Used in China, Default use CHE=1
536 536  
537 -=== 2.4.5  Distance ===
511 +(% style="color:#037691" %)**Uplink:**
538 538  
513 +486.3 - SF7BW125 to SF12BW125
539 539  
540 -Get the distance. Flat object range 280mm - 7500mm.
515 +486.5 - SF7BW125 to SF12BW125
541 541  
542 -(((
543 -For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
544 -)))
517 +486.7 - SF7BW125 to SF12BW125
545 545  
546 -(((
547 -(((
548 -(% style="color:blue" %)** 0B05(H) = 2821(D) = 2821mm.**
549 -)))
550 -)))
519 +486.9 - SF7BW125 to SF12BW125
551 551  
552 -(((
553 -
554 -)))
521 +487.1 - SF7BW125 to SF12BW125
555 555  
556 -(((
557 -
558 -)))
523 +487.3 - SF7BW125 to SF12BW125
559 559  
560 -=== 2.4.6  Digital Interrupt ===
525 +487.5 - SF7BW125 to SF12BW125
561 561  
527 +487.7 - SF7BW125 to SF12BW125
562 562  
563 -(((
564 -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.
565 -)))
566 566  
567 -(((
568 -The command is:
569 -)))
530 +(% style="color:#037691" %)**Downlink:**
570 570  
571 -(((
572 -(% 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]])**.**
573 -)))
532 +506.7 - SF7BW125 to SF12BW125
574 574  
534 +506.9 - SF7BW125 to SF12BW125
575 575  
576 -(((
577 -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.
578 -)))
536 +507.1 - SF7BW125 to SF12BW125
579 579  
538 +507.3 - SF7BW125 to SF12BW125
580 580  
581 -(((
582 -Example:
583 -)))
540 +507.5 - SF7BW125 to SF12BW125
584 584  
585 -(((
586 -0x(00): Normal uplink packet.
587 -)))
542 +507.7 - SF7BW125 to SF12BW125
588 588  
589 -(((
590 -0x(01): Interrupt Uplink Packet.
591 -)))
544 +507.9 - SF7BW125 to SF12BW125
592 592  
546 +508.1 - SF7BW125 to SF12BW125
593 593  
548 +505.3 - SF12BW125 (RX2 downlink only)
594 594  
595 -=== 2.4.7  ​+5V Output ===
596 596  
597 597  
598 -(((
599 -NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling. 
600 -)))
552 +=== 2.7.4 AU915-928(AU915) ===
601 601  
554 +Default use CHE=2
602 602  
603 -(((
604 -The 5V output time can be controlled by AT Command.
556 +(% style="color:#037691" %)**Uplink:**
605 605  
606 -
607 -)))
558 +916.8 - SF7BW125 to SF12BW125
608 608  
609 -(((
610 -(% style="color:blue" %)**AT+5VT=1000**
560 +917.0 - SF7BW125 to SF12BW125
611 611  
612 -
613 -)))
562 +917.2 - SF7BW125 to SF12BW125
614 614  
615 -(((
616 -Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
617 -)))
564 +917.4 - SF7BW125 to SF12BW125
618 618  
566 +917.6 - SF7BW125 to SF12BW125
619 619  
568 +917.8 - SF7BW125 to SF12BW125
620 620  
621 -== 2.5  Downlink Payload ==
570 +918.0 - SF7BW125 to SF12BW125
622 622  
572 +918.2 - SF7BW125 to SF12BW125
623 623  
624 -By default, NDDS75 prints the downlink payload to console port.
625 625  
626 -[[image:image-20220709100028-1.png]]
575 +(% style="color:#037691" %)**Downlink:**
627 627  
577 +923.3 - SF7BW500 to SF12BW500
628 628  
629 -(((
630 -(% style="color:blue" %)**Examples:**
631 -)))
579 +923.9 - SF7BW500 to SF12BW500
632 632  
633 -(((
634 -
635 -)))
581 +924.5 - SF7BW500 to SF12BW500
636 636  
637 -* (((
638 -(% style="color:blue" %)**Set TDC**
639 -)))
583 +925.1 - SF7BW500 to SF12BW500
640 640  
641 -(((
642 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
643 -)))
585 +925.7 - SF7BW500 to SF12BW500
644 644  
645 -(((
646 -Payload:    01 00 00 1E    TDC=30S
647 -)))
587 +926.3 - SF7BW500 to SF12BW500
648 648  
649 -(((
650 -Payload:    01 00 00 3C    TDC=60S
651 -)))
589 +926.9 - SF7BW500 to SF12BW500
652 652  
653 -(((
654 -
655 -)))
591 +927.5 - SF7BW500 to SF12BW500
656 656  
657 -* (((
658 -(% style="color:blue" %)**Reset**
659 -)))
593 +923.3 - SF12BW500(RX2 downlink only)
660 660  
661 -(((
662 -If payload = 0x04FF, it will reset the NDDS75
663 -)))
664 664  
665 665  
666 -* (% style="color:blue" %)**INTMOD**
597 +=== 2.7.5 AS920-923 & AS923-925 (AS923) ===
667 667  
668 -(((
669 -Downlink Payload: 06000003, Set AT+INTMOD=3
670 -)))
599 +(% style="color:#037691" %)**Default Uplink channel:**
671 671  
601 +923.2 - SF7BW125 to SF10BW125
672 672  
603 +923.4 - SF7BW125 to SF10BW125
673 673  
674 -== 2.6  Distance alarm function(Since firmware v1.3.2) ==
675 675  
606 +(% style="color:#037691" %)**Additional Uplink Channel**:
676 676  
677 -(% style="color:blue" %)** ➢ AT Command:**
608 +(OTAA mode, channel added by JoinAccept message)
678 678  
679 -(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
610 +(% style="color:#037691" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
680 680  
681 -² When min=0, and max≠0, Alarm higher than max
612 +922.2 - SF7BW125 to SF10BW125
682 682  
683 -² When min≠0, and max=0, Alarm lower than min
614 +922.4 - SF7BW125 to SF10BW125
684 684  
685 -² When min≠0 and max≠0, Alarm higher than max or lower than min
616 +922.6 - SF7BW125 to SF10BW125
686 686  
618 +922.8 - SF7BW125 to SF10BW125
687 687  
688 -(% style="color:blue" %)** Example:**
620 +923.0 - SF7BW125 to SF10BW125
689 689  
690 -**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
622 +922.0 - SF7BW125 to SF10BW125
691 691  
692 692  
625 +(% style="color:#037691" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
693 693  
694 -== 2.7  Set the number of data to be uploaded and the recording time ==
627 +923.6 - SF7BW125 to SF10BW125
695 695  
629 +923.8 - SF7BW125 to SF10BW125
696 696  
697 -(% style="color:blue" %)** ➢ AT Command:**
631 +924.0 - SF7BW125 to SF10BW125
698 698  
699 -(% 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)
633 +924.2 - SF7BW125 to SF10BW125
700 700  
701 -(% 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.
635 +924.4 - SF7BW125 to SF10BW125
702 702  
637 +924.6 - SF7BW125 to SF10BW125
703 703  
704 704  
705 -== 2.8  Read or Clear cached data ==
640 +(% style="color:#037691" %)** Downlink:**
706 706  
642 +Uplink channels 1-8 (RX1)
707 707  
708 -(% style="color:blue" %)** ➢ AT Command:**
644 +923.2 - SF10BW125 (RX2)
709 709  
710 -(% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data
711 711  
712 712  
713 -[[image:image-20220908175333-2.png]]
648 +=== 2.7.6 KR920-923 (KR920) ===
714 714  
650 +Default channel:
715 715  
716 -(% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/ Clear cached data
652 +922.1 - SF7BW125 to SF12BW125
717 717  
654 +922.3 - SF7BW125 to SF12BW125
718 718  
656 +922.5 - SF7BW125 to SF12BW125
719 719  
720 -== 2.9  ​LED Indicator ==
721 721  
659 +(% style="color:#037691" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
722 722  
723 -The NDDS75 has an internal LED which is to show the status of different state.
661 +922.1 - SF7BW125 to SF12BW125
724 724  
663 +922.3 - SF7BW125 to SF12BW125
725 725  
726 -* 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)
727 -* Then the LED will be on for 1 second means device is boot normally.
728 -* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
729 -* For each uplink probe, LED will be on for 500ms.
665 +922.5 - SF7BW125 to SF12BW125
730 730  
731 -(((
732 -
733 -)))
667 +922.7 - SF7BW125 to SF12BW125
734 734  
669 +922.9 - SF7BW125 to SF12BW125
735 735  
671 +923.1 - SF7BW125 to SF12BW125
736 736  
737 -== 2.10  ​Firmware Change Log ==
673 +923.3 - SF7BW125 to SF12BW125
738 738  
739 739  
740 -(((
741 -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]]
742 -)))
676 +(% style="color:#037691" %)**Downlink:**
743 743  
744 -(((
745 -
746 -)))
678 +Uplink channels 1-7(RX1)
747 747  
748 -(((
749 -Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
750 -)))
680 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
751 751  
752 752  
753 753  
754 -== 2.11  ​Battery Analysis ==
684 +=== 2.7.7 IN865-867 (IN865) ===
755 755  
686 +(% style="color:#037691" %)** Uplink:**
756 756  
757 -=== 2.11.1  ​Battery Type ===
688 +865.0625 - SF7BW125 to SF12BW125
758 758  
690 +865.4025 - SF7BW125 to SF12BW125
759 759  
692 +865.9850 - SF7BW125 to SF12BW125
693 +
694 +
695 +(% style="color:#037691" %) **Downlink:**
696 +
697 +Uplink channels 1-3 (RX1)
698 +
699 +866.550 - SF10BW125 (RX2)
700 +
701 +
702 +
703 +
704 +== 2.8 LED Indicator ==
705 +
706 +The LSE01 has an internal LED which is to show the status of different state.
707 +
708 +* Blink once when device power on.
709 +* Solid ON for 5 seconds once device successful Join the network.
710 +* Blink once when device transmit a packet.
711 +
712 +== 2.9 Installation in Soil ==
713 +
714 +**Measurement the soil surface**
715 +
716 +
717 +[[image:1654506634463-199.png]] ​
718 +
760 760  (((
761 -The NDDS75 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.
720 +(((
721 +Choose the proper measuring position. Avoid the probe to touch rocks or hard things. Split the surface soil according to the measured deep. Keep the measured as original density. Vertical insert the probe into the soil to be measured. Make sure not shake when inserting.
762 762  )))
723 +)))
763 763  
725 +
726 +
727 +[[image:1654506665940-119.png]]
728 +
764 764  (((
765 -The battery is designed to last for several years depends on the actually use environment and update interval. 
730 +Dig a hole with diameter > 20CM.
766 766  )))
767 767  
768 768  (((
769 -The battery related documents as below:
734 +Horizontal insert the probe to the soil and fill the hole for long term measurement.
770 770  )))
771 771  
772 -* [[Battery Dimension>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
773 -* [[Lithium-Thionyl Chloride Battery datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
774 -* [[Lithium-ion Battery-Capacitor datasheet>>http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
775 775  
738 +== 2.10 ​Firmware Change Log ==
739 +
776 776  (((
777 -[[image:image-20220709101450-2.png]]
741 +**Firmware download link:**
778 778  )))
779 779  
744 +(((
745 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
746 +)))
780 780  
748 +(((
749 +
750 +)))
781 781  
782 -=== 2.11.2  Power consumption Analyze ===
752 +(((
753 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
754 +)))
783 783  
756 +(((
757 +
758 +)))
784 784  
785 785  (((
786 -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.
761 +**V1.0.**
787 787  )))
788 788  
764 +(((
765 +Release
766 +)))
789 789  
768 +
769 +== 2.11 ​Battery Analysis ==
770 +
771 +=== 2.11.1 ​Battery Type ===
772 +
790 790  (((
791 -Instruction to use as below:
774 +The LSE01 battery is a combination of a 4000mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-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.
792 792  )))
793 793  
794 794  (((
795 -(% 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/]]
778 +The battery is designed to last for more than 5 years for the LSN50.
796 796  )))
797 797  
798 -
799 799  (((
800 -(% style="color:blue" %)**Step 2: **(%%) Open it and choose
782 +(((
783 +The battery-related documents are as below:
801 801  )))
785 +)))
802 802  
803 803  * (((
804 -Product Model
788 +[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
805 805  )))
806 806  * (((
807 -Uplink Interval
791 +[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]],
808 808  )))
809 809  * (((
810 -Working Mode
794 +[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], [[Tech Spec>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]]
811 811  )))
812 812  
813 -(((
814 -And the Life expectation in difference case will be shown on the right.
815 -)))
797 + [[image:image-20220610172436-1.png]]
816 816  
817 -[[image:image-20220709110451-3.png]]
818 818  
819 819  
801 +=== 2.11.2 ​Battery Note ===
820 820  
821 -=== 2.11.3  ​Battery Note ===
822 -
823 -
824 824  (((
825 825  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.
826 826  )))
... ... @@ -827,217 +827,326 @@
827 827  
828 828  
829 829  
830 -=== 2.11.4  Replace the battery ===
809 +=== 2.11.3 Replace the battery ===
831 831  
811 +(((
812 +If Battery is lower than 2.7v, user should replace the battery of LSE01.
813 +)))
832 832  
833 833  (((
834 -The default battery pack of NDDS75 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).
816 +You can change the battery in the LSE01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
835 835  )))
836 836  
819 +(((
820 +The default battery pack of LSE01 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
821 +)))
837 837  
838 838  
839 -= 3. ​ Access NB-IoT Module =
840 840  
825 += 3. ​Using the AT Commands =
841 841  
842 -(((
843 -Users can directly access the AT command set of the NB-IoT module.
844 -)))
827 +== 3.1 Access AT Commands ==
845 845  
846 -(((
847 -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/]] 
848 848  
849 -
850 -)))
830 +LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSE01 for using AT command, as below.
851 851  
852 -[[image:1657333200519-600.png]]
832 +[[image:1654501986557-872.png||height="391" width="800"]]
853 853  
854 854  
835 +Or if you have below board, use below connection:
855 855  
856 -= 4.  Using the AT Commands =
857 857  
838 +[[image:1654502005655-729.png||height="503" width="801"]]
858 858  
859 -== 4.1  Access AT Commands ==
860 860  
861 861  
862 -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]]
842 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSE01. LSE01 will output system info once power on as below:
863 863  
864 864  
865 -AT+<CMD>?  : Help on <CMD>
845 + [[image:1654502050864-459.png||height="564" width="806"]]
866 866  
867 -AT+<CMD>         : Run <CMD>
868 868  
869 -AT+<CMD>=<value> : Set the value
848 +Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0]]: [[https:~~/~~/www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0>>https://www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0]]
870 870  
871 -AT+<CMD>=?  : Get the value
872 872  
851 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>? **(%%) : Help on <CMD>
873 873  
853 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD> **(%%) : Run <CMD>
854 +
855 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=<value>**(%%) : Set the value
856 +
857 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=?**(%%)  : Get the value
858 +
859 +
874 874  (% style="color:#037691" %)**General Commands**(%%)      
875 875  
876 -AT  : Attention       
862 +(% style="background-color:#dcdcdc" %)**AT**(%%)  : Attention       
877 877  
878 -AT?  : Short Help     
864 +(% style="background-color:#dcdcdc" %)**AT?**(%%)  : Short Help     
879 879  
880 -ATZ  : MCU Reset    
866 +(% style="background-color:#dcdcdc" %)**ATZ**(%%)  : MCU Reset    
881 881  
882 -AT+TDC  : Application Data Transmission Interval
868 +(% style="background-color:#dcdcdc" %)**AT+TDC**(%%)  : Application Data Transmission Interval 
883 883  
884 -AT+CFG  : Print all configurations
885 885  
886 -AT+CFGMOD           : Working mode selection
871 +(% style="color:#037691" %)**Keys, IDs and EUIs management**
887 887  
888 -AT+INTMOD            : Set the trigger interrupt mode
873 +(% style="background-color:#dcdcdc" %)**AT+APPEUI**(%%)              : Application EUI      
889 889  
890 -AT+5VT  : Set extend the time of 5V power  
875 +(% style="background-color:#dcdcdc" %)**AT+APPKEY**(%%)              : Application Key     
891 891  
892 -AT+PRO  : Choose agreement
877 +(% style="background-color:#dcdcdc" %)**AT+APPSKEY**(%%)            : Application Session Key
893 893  
894 -AT+WEIGRE  : Get weight or set weight to 0
879 +(% style="background-color:#dcdcdc" %)**AT+DADDR**(%%)              : Device Address     
895 895  
896 -AT+WEIGAP  : Get or Set the GapValue of weight
881 +(% style="background-color:#dcdcdc" %)**AT+DEUI**(%%)                   : Device EUI     
897 897  
898 -AT+RXDL  : Extend the sending and receiving time
883 +(% style="background-color:#dcdcdc" %)**AT+NWKID**(%%)               : Network ID (You can enter this command change only after successful network connection) 
899 899  
900 -AT+CNTFAC  : Get or set counting parameters
885 +(% style="background-color:#dcdcdc" %)**AT+NWKSKEY**(%%)          : Network Session Key Joining and sending date on LoRa network  
901 901  
902 -AT+SERVADDR  : Server Address
887 +(% style="background-color:#dcdcdc" %)**AT+CFM**(%%)  : Confirm Mode       
903 903  
904 -AT+TR      : Get or Set record time"
889 +(% style="background-color:#dcdcdc" %)**AT+CFS**(%%)                     : Confirm Status       
905 905  
906 -AT+APN     : Get or set the APN
891 +(% style="background-color:#dcdcdc" %)**AT+JOIN**(%%)  : Join LoRa? Network       
907 907  
908 -AT+FBAND   : Get or Set whether to automatically modify the frequency band
893 +(% style="background-color:#dcdcdc" %)**AT+NJM**(%%)  : LoRa? Network Join Mode    
909 909  
910 -AT+DNSCFG  : Get or Set DNS Server
895 +(% style="background-color:#dcdcdc" %)**AT+NJS**(%%)                     : LoRa? Network Join Status    
911 911  
912 -AT+GETSENSORVALUE   : Returns the current sensor measurement
897 +(% style="background-color:#dcdcdc" %)**AT+RECV**(%%)                  : Print Last Received Data in Raw Format
913 913  
914 -AT+NOUD      : Get or Set the number of data to be uploaded
899 +(% style="background-color:#dcdcdc" %)**AT+RECVB**(%%)                : Print Last Received Data in Binary Format      
915 915  
916 -AT+CDP     : Read or Clear cached data
901 +(% style="background-color:#dcdcdc" %)**AT+SEND**(%%)                  : Send Text Data      
917 917  
918 -AT+LDDSALARM : Get or Set alarm of distance
903 +(% style="background-color:#dcdcdc" %)**AT+SENB**(%%)                  : Send Hexadecimal Data
919 919  
920 920  
921 -(% style="color:#037691" %)**COAP Management**      
906 +(% style="color:#037691" %)**LoRa Network Management**
922 922  
923 -AT+URI            : Resource parameters
908 +(% style="background-color:#dcdcdc" %)**AT+ADR**(%%)          : Adaptive Rate
924 924  
910 +(% style="background-color:#dcdcdc" %)**AT+CLASS**(%%)  : LoRa Class(Currently only support class A
925 925  
926 -(% style="color:#037691" %)**UDP Management**
912 +(% style="background-color:#dcdcdc" %)**AT+DCS**(%%)  : Duty Cycle Setting 
927 927  
928 -AT+CFM          : Upload confirmation mode (only valid for UDP)
914 +(% style="background-color:#dcdcdc" %)**AT+DR**(%%)  : Data Rate (Can Only be Modified after ADR=0)     
929 929  
916 +(% style="background-color:#dcdcdc" %)**AT+FCD**(%%)  : Frame Counter Downlink       
930 930  
931 -(% style="color:#037691" %)**MQTT Management**
918 +(% style="background-color:#dcdcdc" %)**AT+FCU**(%%)  : Frame Counter Uplink   
932 932  
933 -AT+CLIENT               : Get or Set MQTT client
920 +(% style="background-color:#dcdcdc" %)**AT+JN1DL**(%%)  : Join Accept Delay1
934 934  
935 -AT+UNAME  : Get or Set MQTT Username
922 +(% style="background-color:#dcdcdc" %)**AT+JN2DL**(%%)  : Join Accept Delay2
936 936  
937 -AT+PWD                  : Get or Set MQTT password
924 +(% style="background-color:#dcdcdc" %)**AT+PNM**(%%)  : Public Network Mode   
938 938  
939 -AT+PUBTOPIC  : Get or Set MQTT publish topic
926 +(% style="background-color:#dcdcdc" %)**AT+RX1DL**(%%)  : Receive Delay1      
940 940  
941 -AT+SUBTOPIC  : Get or Set MQTT subscription topic
928 +(% style="background-color:#dcdcdc" %)**AT+RX2DL**(%%)  : Receive Delay2      
942 942  
930 +(% style="background-color:#dcdcdc" %)**AT+RX2DR**(%%)  : Rx2 Window Data Rate 
943 943  
944 -(% style="color:#037691" %)**Information**          
932 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ**(%%)  : Rx2 Window Frequency
945 945  
946 -AT+FDR  : Factory Data Reset
934 +(% style="background-color:#dcdcdc" %)**AT+TXP**(%%)  : Transmit Power
947 947  
948 -AT+PWORD  : Serial Access Password
936 +(% style="background-color:#dcdcdc" %)**AT+ MOD**(%%)  : Set work mode
949 949  
950 950  
939 +(% style="color:#037691" %)**Information** 
951 951  
952 -= ​5.  FAQ =
941 +(% style="background-color:#dcdcdc" %)**AT+RSSI**(%%)           : RSSI of the Last Received Packet   
953 953  
943 +(% style="background-color:#dcdcdc" %)**AT+SNR**(%%)           : SNR of the Last Received Packet   
954 954  
955 -== 5.1 ​ How to Upgrade Firmware ==
945 +(% style="background-color:#dcdcdc" %)**AT+VER**(%%)           : Image Version and Frequency Band       
956 956  
947 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)           : Factory Data Reset
957 957  
949 +(% style="background-color:#dcdcdc" %)**AT+PORT**(%%)  : Application Port    
950 +
951 +(% style="background-color:#dcdcdc" %)**AT+CHS**(%%)  : Get or Set Frequency (Unit: Hz) for Single Channel Mode
952 +
953 + (% style="background-color:#dcdcdc" %)**AT+CHE**(%%)  : Get or Set eight channels mode, Only for US915, AU915, CN470
954 +
955 +
956 += ​4. FAQ =
957 +
958 +== 4.1 ​How to change the LoRa Frequency Bands/Region? ==
959 +
958 958  (((
959 -User can upgrade the firmware for 1) bug fix, 2) new feature release.
961 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
962 +When downloading the images, choose the required image file for download. ​
960 960  )))
961 961  
962 962  (((
963 -Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
966 +
964 964  )))
965 965  
966 966  (((
967 -(% style="color:red" %)**Notice, NDDS75 and LDDS75 share the same mother board. They use the same connection and method to update.**
970 +How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies.
968 968  )))
969 969  
973 +(((
974 +
975 +)))
970 970  
977 +(((
978 +You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA.
979 +)))
971 971  
972 -= 6.  Trouble Shooting =
981 +(((
982 +
983 +)))
973 973  
985 +(((
986 +For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets.
987 +)))
974 974  
975 -== 6.1  ​Connection problem when uploading firmware ==
989 +[[image:image-20220606154726-3.png]]
976 976  
977 977  
992 +When you use the TTN network, the US915 frequency bands use are:
993 +
994 +* 903.9 - SF7BW125 to SF10BW125
995 +* 904.1 - SF7BW125 to SF10BW125
996 +* 904.3 - SF7BW125 to SF10BW125
997 +* 904.5 - SF7BW125 to SF10BW125
998 +* 904.7 - SF7BW125 to SF10BW125
999 +* 904.9 - SF7BW125 to SF10BW125
1000 +* 905.1 - SF7BW125 to SF10BW125
1001 +* 905.3 - SF7BW125 to SF10BW125
1002 +* 904.6 - SF8BW500
1003 +
978 978  (((
979 -**Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
1005 +Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:
1006 +
1007 +* (% style="color:#037691" %)**AT+CHE=2**
1008 +* (% style="color:#037691" %)**ATZ**
980 980  )))
981 981  
982 -(% class="wikigeneratedid" %)
983 983  (((
984 984  
1013 +
1014 +to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink.
985 985  )))
986 986  
1017 +(((
1018 +
1019 +)))
987 987  
988 -== 6.2  AT Command input doesn't work ==
1021 +(((
1022 +The **AU915** band is similar. Below are the AU915 Uplink Channels.
1023 +)))
989 989  
1025 +[[image:image-20220606154825-4.png]]
990 990  
1027 +
1028 +== 4.2 ​Can I calibrate LSE01 to different soil types? ==
1029 +
1030 +LSE01 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/index.php?dir=LoRa_End_Node/LSE01/&file=Calibrate_to_other_Soil_20220605.pdf]].
1031 +
1032 +
1033 += 5. Trouble Shooting =
1034 +
1035 +== 5.1 ​Why I can't join TTN in US915 / AU915 bands? ==
1036 +
1037 +It is due to channel mapping. Please see the [[Eight Channel Mode>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.19EightChannelMode"]] section above for details.
1038 +
1039 +
1040 +== 5.2 AT Command input doesn't work ==
1041 +
991 991  (((
992 992  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.
1044 +)))
993 993  
994 -
1046 +
1047 +== 5.3 Device rejoin in at the second uplink packet ==
1048 +
1049 +(% style="color:#4f81bd" %)**Issue describe as below:**
1050 +
1051 +[[image:1654500909990-784.png]]
1052 +
1053 +
1054 +(% style="color:#4f81bd" %)**Cause for this issue:**
1055 +
1056 +(((
1057 +The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin.
995 995  )))
996 996  
997 997  
998 -= 7. ​ Order Info =
1061 +(% style="color:#4f81bd" %)**Solution: **
999 999  
1063 +All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below:
1000 1000  
1001 -Part Number**:** (% style="color:#4f81bd" %)**NSDDS75**
1065 +[[image:1654500929571-736.png||height="458" width="832"]]
1002 1002  
1003 1003  
1068 += 6. ​Order Info =
1069 +
1070 +
1071 +Part Number**:** (% style="color:#4f81bd" %)**LSE01-XX-YY**
1072 +
1073 +
1074 +(% style="color:#4f81bd" %)**XX**(%%)**:** The default frequency band
1075 +
1076 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1077 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1078 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1079 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1080 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1081 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1082 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1083 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1084 +
1085 +(% style="color:#4f81bd" %)**YY**(%%)**: **Battery Option
1086 +
1087 +* (% style="color:red" %)**4**(%%): 4000mAh battery
1088 +* (% style="color:red" %)**8**(%%): 8500mAh battery
1089 +
1004 1004  (% class="wikigeneratedid" %)
1005 1005  (((
1006 1006  
1007 1007  )))
1008 1008  
1009 -= 8.  Packing Info =
1095 += 7. Packing Info =
1010 1010  
1011 1011  (((
1012 1012  
1013 1013  
1014 1014  (% style="color:#037691" %)**Package Includes**:
1101 +)))
1015 1015  
1016 -* NDDS75 NB-IoT Distance Detect Sensor Node x 1
1017 -* External antenna x 1
1103 +* (((
1104 +LSE01 LoRaWAN Soil Moisture & EC Sensor x 1
1018 1018  )))
1019 1019  
1020 1020  (((
1021 1021  
1022 1022  
1023 -
1024 1024  (% style="color:#037691" %)**Dimension and weight**:
1111 +)))
1025 1025  
1026 -* Device Size: 13.0 x 5 x 4.5 cm
1027 -* Device Weight: 150g
1028 -* Package Size / pcs : 15 x 12x 5.5 cm
1029 -* Weight / pcs : 220g
1113 +* (((
1114 +Device Size: cm
1030 1030  )))
1116 +* (((
1117 +Device Weight: g
1118 +)))
1119 +* (((
1120 +Package Size / pcs : cm
1121 +)))
1122 +* (((
1123 +Weight / pcs : g
1031 1031  
1032 -(((
1033 1033  
1034 -
1035 -
1036 -
1037 1037  )))
1038 1038  
1039 -= 9.  Support =
1128 += 8. Support =
1040 1040  
1041 -
1042 1042  * 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.
1043 1043  * 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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