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Last modified by Xiaoling on 2025/04/27 13:54
From version 147.2
edited by Xiaoling
on 2022/06/10 17:34
Change comment: There is no comment for this version
To version 151.10
edited by Xiaoling
on 2022/06/11 09:36
Change comment: There is no comment for this version

Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654846127817-788.png?rev=1.1||alt="1654846127817-788.png"]]
3 3  
4 4  **Contents:**
5 5  
6 +* [[1.  Introduction>>path:#H1.A0Introduction]]
7 +** [[1.1 ​ What is LoRaWAN Distance Detection Sensor>>path:#H1.1200BWhatisLoRaWANDistanceDetectionSensor]]
8 +** [[​1.2  Features>>path:#H200B1.2A0Features]]
9 +** [[1.3  Specification>>path:#H1.3A0Specification]]
10 +*** [[1.3.1  Rated environmental conditions>>path:#H1.3.1A0Ratedenvironmentalconditions]]
11 +*** [[1.3.2  Effective measurement range Reference beam pattern>>path:#H1.3.2A0EffectivemeasurementrangeReferencebeampattern]]
12 +** [[1.5 ​ Applications>>path:#H1.5200BApplications]]
13 +** [[1.6  Pin mapping and power on>>path:#H1.6A0Pinmappingandpoweron]]
14 +* [[2.  Configure LDDS75 to connect to LoRaWAN network>>path:#H2.A0ConfigureLDDS75toconnecttoLoRaWANnetwork]]
15 +** [[2.1  How it works>>path:#H2.1A0Howitworks]]
16 +** [[2.2  ​Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2A0200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
17 +** [[2.3  ​Uplink Payload>>path:#H2.3A0200BUplinkPayload]]
18 +*** [[2.3.1  Battery Info>>path:#H2.3.1A0BatteryInfo]]
19 +*** [[2.3.2  Distance>>path:#H2.3.2A0Distance]]
20 +*** [[2.3.3  Interrupt Pin>>path:#H2.3.3A0InterruptPin]]
21 +*** [[2.3.4  DS18B20 Temperature sensor>>path:#H2.3.4A0DS18B20Temperaturesensor]]
22 +*** [[2.3.5  Sensor Flag>>path:#H2.3.5A0SensorFlag]]
23 +*** [[2.3.6  Decode payload in The Things Network>>path:#H2.3.6A0DecodepayloadinTheThingsNetwork]]
24 +** [[2.4  Uplink Interval>>path:#H2.4A0UplinkInterval]]
25 +** [[2.5  ​Show Data in DataCake IoT Server>>path:#H2.5A0200BShowDatainDataCakeIoTServer]]
26 +** [[2.6  Frequency Plans>>path:#H2.6A0FrequencyPlans]]
27 +*** [[2.6.1  EU863-870 (EU868)>>path:#H2.6.1A0EU863-87028EU86829]]
28 +*** [[2.6.2  US902-928(US915)>>path:#H2.6.2A0US902-92828US91529]]
29 +*** [[2.6.3  CN470-510 (CN470)>>path:#H2.6.3A0CN470-51028CN47029]]
30 +*** [[2.6.4  AU915-928(AU915)>>path:#H2.6.4A0AU915-92828AU91529]]
31 +*** [[2.6.5  AS920-923 & AS923-925 (AS923)>>path:#H2.6.5A0AS920-92326AS923-92528AS92329]]
32 +*** [[2.6.6  KR920-923 (KR920)>>path:#H2.6.6A0KR920-92328KR92029]]
33 +*** [[2.6.7  IN865-867 (IN865)>>path:#H2.6.7A0IN865-86728IN86529]]
34 +** [[2.7  LED Indicator>>path:#H2.7A0LEDIndicator]]
35 +** [[2.8  ​Firmware Change Log>>path:#H2.8A0200BFirmwareChangeLog]]
36 +** [[2.9  Mechanical>>path:#H2.9A0Mechanical]]
37 +** [[2.10  Battery Analysis>>path:#H2.10A0BatteryAnalysis]]
38 +*** [[2.10.1  Battery Type>>path:#H2.10.1A0BatteryType]]
39 +*** [[2.10.2  Replace the battery>>path:#H2.10.2A0Replacethebattery]]
40 +* [[3.  Configure LDDS75 via AT Command or LoRaWAN Downlink>>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]
41 +** [[3.1  Access AT Commands>>path:#H3.1A0AccessATCommands]]
42 +** [[3.2  Set Transmit Interval Time>>path:#H3.2A0SetTransmitIntervalTime]]
43 +** [[3.3  Set Interrupt Mode>>path:#H3.3A0SetInterruptMode]]
44 +* [[4.  FAQ>>path:#H4.A0FAQ]]
45 +** [[4.1  What is the frequency plan for LDDS75?>>path:#H4.1A0WhatisthefrequencyplanforLDDS753F]]
46 +** [[4.2  How to change the LoRa Frequency Bands/Region>>path:#H4.2A0HowtochangetheLoRaFrequencyBands2FRegion]]
47 +** [[4.3  Can I use LDDS75 in condensation environment?>>path:#H4.3A0CanIuseLDDS75incondensationenvironment3F]]
48 +* [[5.  Trouble Shooting>>path:#H5.A0TroubleShooting]]
49 +** [[5.1  Why I can’t join TTN V3 in US915 / AU915 bands?>>path:#H5.1A0WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F]]
50 +** [[5.2  AT Command input doesn't work>>path:#H5.2A0ATCommandinputdoesn27twork]]
51 +* [[6.  Order Info>>path:#H6.A0OrderInfo]]
52 +* [[7. ​ Packing Info>>path:#H7.200BPackingInfo]]
53 +* [[8.  ​Support>>path:#H8.A0200BSupport]]
6 6  
7 7  
8 8  
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10 10  
11 11  
12 12  
61 +
13 13  = 1.  Introduction =
14 14  
15 15  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
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18 18  
19 19  
20 20  (((
70 +(((
21 21  The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 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.
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22 22  
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75 +
76 +)))
23 23  
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24 24  It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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25 25  
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83 +
84 +)))
26 26  
86 +(((
27 27  The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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28 28  
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29 29  
94 +(((
30 30  LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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31 31  
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99 +
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32 32  
102 +(((
33 33  Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
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34 34  
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35 35  
36 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
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111 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
37 37  )))
38 38  )))
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39 39  
40 40  
41 -[[image:1654847051249-359.png]]
117 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847051249-359.png?rev=1.1||alt="1654847051249-359.png"]]
42 42  
43 43  
44 44  
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58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 60  
137 +
138 +
61 61  == 1.3  Specification ==
62 62  
63 63  === 1.3.1  Rated environmental conditions ===
64 64  
65 -[[image:image-20220610154839-1.png]]
143 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610154839-1.png?rev=1.1||alt="image-20220610154839-1.png"]]
66 66  
67 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
145 +(((
146 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
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68 68  
69 -**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
70 70  
71 71  
72 -
73 73  === 1.3.2  Effective measurement range Reference beam pattern ===
74 74  
75 75  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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76 76  
77 77  
78 78  
79 -[[image:1654852253176-749.png]]
157 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
80 80  
81 81  
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82 82  **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
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83 83  
84 84  
85 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
166 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]](% style="display:none" %) ** **
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87 87  
88 88  
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99 99  * Bottom water level monitoring
100 100  
101 101  
183 +
184 +
102 102  == 1.6  Pin mapping and power on ==
103 103  
104 104  
105 -[[image:1654847583902-256.png]]
188 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847583902-256.png?rev=1.1||alt="1654847583902-256.png"]]
106 106  
107 107  
108 108  
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115 115  )))
116 116  
117 117  (((
118 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
201 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]to set the keys in the LDDS75.
119 119  )))
120 120  
121 121  
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127 127  )))
128 128  
129 129  (((
130 -[[image:1654848616367-242.png]]
213 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654848616367-242.png?rev=1.1||alt="1654848616367-242.png"]]
131 131  )))
132 132  
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142 142  Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
143 143  )))
144 144  
145 -[[image:image-20220607170145-1.jpeg]]
228 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220607170145-1.jpeg?rev=1.1||alt="image-20220607170145-1.jpeg"]]
146 146  
147 147  
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148 148  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
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149 149  
235 +(((
150 150  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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151 151  
239 +(((
152 152  **Add APP EUI in the application**
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153 153  
154 -[[image:image-20220610161353-4.png]]
243 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-4.png?rev=1.1||alt="image-20220610161353-4.png"]]
155 155  
156 -[[image:image-20220610161353-5.png]]
245 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-5.png?rev=1.1||alt="image-20220610161353-5.png"]]
157 157  
158 -[[image:image-20220610161353-6.png]]
247 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-6.png?rev=1.1||alt="image-20220610161353-6.png"]]
159 159  
160 160  
161 -[[image:image-20220610161353-7.png]]
250 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-7.png?rev=1.1||alt="image-20220610161353-7.png"]]
162 162  
163 163  
164 164  You can also choose to create the device manually.
165 165  
166 - [[image:image-20220610161538-8.png]]
255 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-8.png?rev=1.1||alt="image-20220610161538-8.png"]]
167 167  
168 168  
169 169  
170 170  **Add APP KEY and DEV EUI**
171 171  
172 -[[image:image-20220610161538-9.png]]
261 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-9.png?rev=1.1||alt="image-20220610161538-9.png"]]
173 173  
174 174  
175 175  
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178 178  
179 179  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
180 180  
181 -[[image:image-20220610161724-10.png]]
270 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161724-10.png?rev=1.1||alt="image-20220610161724-10.png"]]
182 182  
183 183  
184 184  (((
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185 185  (% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 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.
186 186  )))
187 187  
188 -[[image:1654849068701-275.png]]
277 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654849068701-275.png?rev=1.1||alt="1654849068701-275.png"]]
189 189  
190 190  
191 191  
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192 192  == 2.3  ​Uplink Payload ==
193 193  
194 194  (((
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195 195  LDDS75 will uplink payload via LoRaWAN with below payload format: 
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196 196  
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197 197  Uplink payload includes in total 4 bytes.
198 198  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
199 199  )))
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200 200  
201 201  (((
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206 206  |=(% style="width: 62.5px;" %)(((
207 207  **Size (bytes)**
208 208  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
209 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
210 -[[Distance>>||anchor="H2.3.3A0Distance"]]
302 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>path:#H2.3.1A0BatteryInfo]]|(((
303 +[[Distance>>path:#H2.3.2A0Distance]]
211 211  
212 212  (unit: mm)
213 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
306 +)))|[[Digital Interrupt (Optional)>>path:#H2.3.3A0InterruptPin]]|(((
307 +[[Temperature (Optional )>>path:#H2.3.4A0DS18B20Temperaturesensor]]
308 +)))|[[Sensor Flag>>path:#H2.3.5A0SensorFlag]]
216 216  
217 -[[image:1654850511545-399.png]]
310 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
218 218  
219 219  
220 220  
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231 231  
232 232  === 2.3.2  Distance ===
233 233  
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234 234  Get the distance. Flat object range 280mm - 7500mm.
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235 235  
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236 236  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:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
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237 237  
238 238  
239 239  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
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240 240  * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
241 241  
242 242  
340 +
341 +
243 243  === 2.3.3  Interrupt Pin ===
244 244  
245 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
344 +This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H3.3A0SetInterruptMode]] for the hardware and software set up.
246 246  
247 247  **Example:**
248 248  
... ... @@ -268,28 +268,34 @@
268 268  
269 269  === 2.3.5  Sensor Flag ===
270 270  
370 +(((
271 271  0x01: Detect Ultrasonic Sensor
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272 272  
374 +(((
273 273  0x00: No Ultrasonic Sensor
376 +)))
274 274  
275 275  
276 -===
277 -(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
278 278  
380 +=== 2.3.6  Decode payload in The Things Network ===
381 +
279 279  While using TTN network, you can add the payload format to decode the payload.
280 280  
281 281  
282 -[[image:1654850829385-439.png]]
385 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
283 283  
284 284  The payload decoder function for TTN V3 is here:
285 285  
389 +(((
286 286  LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
391 +)))
287 287  
288 288  
289 289  
290 290  == 2.4  Uplink Interval ==
291 291  
292 -The LDDS75 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"]]
397 +The LDDS75 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>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
293 293  
294 294  
295 295  
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312 312  )))
313 313  
314 314  
315 -[[image:1654592790040-760.png]]
420 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
316 316  
317 317  
318 -[[image:1654592800389-571.png]]
423 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
319 319  
320 320  
321 321  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
... ... @@ -322,12 +322,12 @@
322 322  
323 323  (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
324 324  
325 -[[image:1654851029373-510.png]]
430 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
326 326  
327 327  
328 328  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
329 329  
330 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
435 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png" height="595" width="1088"]]
331 331  
332 332  
333 333  
... ... @@ -810,13 +810,22 @@
810 810  * Blink once when device transmit a packet.
811 811  
812 812  
918 +
919 +
813 813  == 2.8  ​Firmware Change Log ==
814 814  
815 815  
923 +(((
816 816  **Firmware download link: **[[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/]]
925 +)))
817 817  
927 +(((
928 +
929 +)))
818 818  
819 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
931 +(((
932 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
933 +)))
820 820  
821 821  
822 822  
... ... @@ -823,13 +823,15 @@
823 823  == 2.9  Mechanical ==
824 824  
825 825  
826 -[[image:image-20220610172003-1.png]]
940 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
827 827  
828 -[[image:image-20220610172003-2.png]]
829 829  
943 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
830 830  
831 -== 2.10  Battery Analysis ==
832 832  
946 +
947 +== 2.10  Battery Analysis ==
948 +
833 833  === 2.10.1  Battery Type ===
834 834  
835 835  The LDDS75 battery is a combination of a 4000mAh or 8500mAh 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.
... ... @@ -838,7 +838,7 @@
838 838  The battery related documents as below:
839 839  
840 840  * (((
841 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
957 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
842 842  )))
843 843  * (((
844 844  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -847,7 +847,7 @@
847 847  [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
848 848  )))
849 849  
850 - [[image:image-20220610172400-3.png]]
966 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172400-3.png?rev=1.1||alt="image-20220610172400-3.png"]]
851 851  
852 852  
853 853  
... ... @@ -854,7 +854,7 @@
854 854  === 2.10.2  Replace the battery ===
855 855  
856 856  (((
857 -You can change the battery in the LDDS75.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.
973 +You can change the battery in the LDDS75.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.
858 858  )))
859 859  
860 860  (((
... ... @@ -862,12 +862,12 @@
862 862  )))
863 863  
864 864  (((
865 -The default battery pack of LDDS75 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)
981 +The default battery pack of LDDS75 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)
866 866  )))
867 867  
868 868  
869 869  
870 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
986 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
871 871  
872 872  (((
873 873  (((
... ... @@ -877,12 +877,12 @@
877 877  
878 878  * (((
879 879  (((
880 -AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
996 +AT Command Connection: See [[FAQ>>path:#H4.A0FAQ]].
881 881  )))
882 882  )))
883 883  * (((
884 884  (((
885 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1001 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
886 886  )))
887 887  )))
888 888  
... ... @@ -921,7 +921,7 @@
921 921  
922 922  (((
923 923  (((
924 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1040 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
925 925  )))
926 926  )))
927 927  
... ... @@ -949,19 +949,21 @@
949 949  
950 950  LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
951 951  
952 -[[image:image-20220610172924-4.png||height="483" width="988"]]
1068 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-4.png?width=988&height=483&rev=1.1||alt="image-20220610172924-4.png" height="483" width="988"]]
953 953  
954 954  
955 955  Or if you have below board, use below connection:
956 956  
957 957  
958 -[[image:image-20220610172924-5.png]]
1074 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-5.png?rev=1.1||alt="image-20220610172924-5.png"]]
959 959  
960 960  
1077 +(((
961 961  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1079 +)))
962 962  
963 963  
964 - [[image:image-20220610172924-6.png||height="601" width="860"]]
1082 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-6.png?width=860&height=601&rev=1.1||alt="image-20220610172924-6.png" height="601" width="860"]]
965 965  
966 966  
967 967  
... ... @@ -971,307 +971,118 @@
971 971  
972 972  (% style="color:#037691" %)**AT Command: AT+TDC**
973 973  
974 -[[image:image-20220610173409-7.png]]
1092 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610173409-7.png?rev=1.1||alt="image-20220610173409-7.png"]]
975 975  
976 976  
977 -
978 -
979 979  (((
980 -(% style="color:#037691" %)**Downlink Command: 0x06**
1096 +(% style="color:#037691" %)**Downlink Command: 0x01**
981 981  )))
982 982  
983 983  (((
984 -Format: Command Code (0x06) followed by 3 bytes.
985 -)))
986 -
987 987  (((
988 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
989 -)))
1101 +Format: Command Code (0x01) followed by 3 bytes time value.
990 990  
991 -* (((
992 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
993 -)))
994 -* (((
995 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
996 -)))
997 -
998 -== 3.3  Get Firmware Version Info ==
999 -
1000 -Feature: use downlink to get firmware version.
1001 -
1002 -(% style="color:#037691" %)**Downlink Command: 0x26**
1003 -
1004 -[[image:image-20220607171917-10.png]]
1005 -
1006 -* Reply to the confirmation package: 26 01
1007 -* Reply to non-confirmed packet: 26 00
1008 -
1009 -Device will send an uplink after got this downlink command. With below payload:
1010 -
1011 -Configures info payload:
1012 -
1013 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1014 -|=(((
1015 -**Size(bytes)**
1016 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1017 -|**Value**|Software Type|(((
1018 -Frequency
1019 -
1020 -Band
1021 -)))|Sub-band|(((
1022 -Firmware
1023 -
1024 -Version
1025 -)))|Sensor Type|Reserve|(((
1026 -[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1027 -Always 0x02
1028 -)))
1029 -
1030 -**Software Type**: Always 0x03 for LLDS12
1031 -
1032 -
1033 -**Frequency Band**:
1034 -
1035 -*0x01: EU868
1036 -
1037 -*0x02: US915
1038 -
1039 -*0x03: IN865
1040 -
1041 -*0x04: AU915
1042 -
1043 -*0x05: KZ865
1044 -
1045 -*0x06: RU864
1046 -
1047 -*0x07: AS923
1048 -
1049 -*0x08: AS923-1
1050 -
1051 -*0x09: AS923-2
1052 -
1053 -*0xa0: AS923-3
1054 -
1055 -
1056 -**Sub-Band**: value 0x00 ~~ 0x08
1057 -
1058 -
1059 -**Firmware Version**: 0x0100, Means: v1.0.0 version
1060 -
1061 -
1062 -**Sensor Type**:
1063 -
1064 -0x01: LSE01
1065 -
1066 -0x02: LDDS75
1067 -
1068 -0x03: LDDS20
1069 -
1070 -0x04: LLMS01
1071 -
1072 -0x05: LSPH01
1073 -
1074 -0x06: LSNPK01
1075 -
1076 -0x07: LLDS12
1077 -
1078 -
1079 -
1080 -= 5.  Battery & How to replace =
1081 -
1082 -== 5.1  Battery Type ==
1083 -
1084 1084  (((
1085 -LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1104 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1086 1086  )))
1087 1087  
1088 -(((
1089 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1107 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1108 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1090 1090  )))
1091 -
1092 -[[image:1654593587246-335.png]]
1093 -
1094 -
1095 -Minimum Working Voltage for the LLDS12:
1096 -
1097 -LLDS12:  2.45v ~~ 3.6v
1098 -
1099 -
1100 -
1101 -== 5.2  Replace Battery ==
1102 -
1103 -(((
1104 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1105 1105  )))
1106 1106  
1107 -(((
1108 -And make sure the positive and negative pins match.
1109 -)))
1110 1110  
1111 1111  
1112 1112  
1113 -== 5.3  Power Consumption Analyze ==
1114 1114  
1115 -(((
1116 -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.
1117 -)))
1116 +== 3.3  Set Interrupt Mode ==
1118 1118  
1119 -(((
1120 -Instruction to use as below:
1121 -)))
1118 +Feature, Set Interrupt mode for GPIO_EXIT.
1122 1122  
1120 +(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1123 1123  
1124 -**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1122 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610174917-9.png?rev=1.1||alt="image-20220610174917-9.png"]]
1125 1125  
1126 -[[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/]]
1127 1127  
1125 +(% style="color:#037691" %)**Downlink Command: 0x06**
1128 1128  
1129 -**Step 2**: Open it and choose
1127 +Format: Command Code (0x06) followed by 3 bytes.
1130 1130  
1131 -* Product Model
1132 -* Uplink Interval
1133 -* Working Mode
1134 -
1135 -And the Life expectation in difference case will be shown on the right.
1136 -
1137 -[[image:1654593605679-189.png]]
1138 -
1139 -
1140 -The battery related documents as below:
1141 -
1142 -* (((
1143 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1144 -)))
1145 -* (((
1146 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1147 -)))
1148 -* (((
1149 -[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
1150 -)))
1151 -
1152 -[[image:image-20220607172042-11.png]]
1153 -
1154 -
1155 -
1156 -=== 5.3.1  ​Battery Note ===
1157 -
1158 1158  (((
1159 -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.
1130 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1160 1160  )))
1161 1161  
1133 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1134 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1162 1162  
1163 1163  
1164 -=== ​5.3.2  Replace the battery ===
1165 1165  
1166 -(((
1167 -You can change the battery in the LLDS12.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.
1168 -)))
1169 1169  
1170 -(((
1171 -The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 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)
1172 -)))
1139 += 4.  FAQ =
1173 1173  
1141 +== 4.1  What is the frequency plan for LDDS75? ==
1174 1174  
1143 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>path:/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/#H1.Introduction]]
1175 1175  
1176 -= 6.  Use AT Command =
1177 1177  
1178 -== 6.1  Access AT Commands ==
1179 1179  
1180 -LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1147 +== 4.2  How to change the LoRa Frequency Bands/Region ==
1181 1181  
1182 -[[image:1654593668970-604.png]]
1149 +You can follow the instructions for [[how to upgrade image>>path:#H2.8A0200BFirmwareChangeLog]].
1150 +When downloading the images, choose the required image file for download. ​
1183 1183  
1184 -**Connection:**
1185 1185  
1186 -(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1187 1187  
1188 -(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1154 +== 4.3  Can I use LDDS75 in condensation environment? ==
1189 1189  
1190 -(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1156 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1191 1191  
1192 1192  
1193 -(((
1194 -(((
1195 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1196 -)))
1197 1197  
1198 -(((
1199 -LLDS12 will output system info once power on as below:
1200 -)))
1201 -)))
1160 += 5.  Trouble Shooting =
1202 1202  
1162 +== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1203 1203  
1204 - [[image:1654593712276-618.png]]
1164 +It is due to channel mapping. Please see below link:  [[Frequency band>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1205 1205  
1206 -Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1207 1207  
1167 +== 5.2  AT Command input doesn't work ==
1208 1208  
1209 -= 7.  FAQ =
1210 -
1211 -== 7.1  How to change the LoRa Frequency Bands/Region ==
1212 -
1213 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1214 -When downloading the images, choose the required image file for download. ​
1215 -
1216 -
1217 -= 8.  Trouble Shooting =
1218 -
1219 -== 8.1  AT Commands input doesn’t work ==
1220 -
1221 -
1222 -(((
1223 1223  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.
1224 -)))
1225 1225  
1226 -
1227 -== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1228 -
1229 -
1230 1230  (((
1231 -(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1232 -)))
1233 -
1234 -(((
1235 -Troubleshooting: Please avoid use of this product under such circumstance in practice.
1236 -)))
1237 -
1238 -(((
1239 1239  
1240 1240  )))
1241 1241  
1242 -(((
1243 -(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1244 -)))
1245 1245  
1246 -(((
1247 -Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1248 -)))
1176 += 6.  Order Info =
1249 1249  
1250 1250  
1179 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1251 1251  
1252 -= 9.  Order Info =
1253 1253  
1182 +(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1254 1254  
1255 -Part Number: (% style="color:blue" %)**LLDS12-XX**
1184 +* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1185 +* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1186 +* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1187 +* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1188 +* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1189 +* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1190 +* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1191 +* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1256 1256  
1193 +(% style="color:blue" %)**YY**(%%): Battery Option
1257 1257  
1258 -(% style="color:blue" %)**XX**(%%): The default frequency band
1195 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1196 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1259 1259  
1260 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1261 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1262 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1263 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1264 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1265 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1266 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1267 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1198 += 7. ​ Packing Info =
1268 1268  
1269 -= 10. ​ Packing Info =
1270 1270  
1271 -
1272 1272  **Package Includes**:
1273 1273  
1274 -* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1203 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
1275 1275  
1276 1276  **Dimension and weight**:
1277 1277  
... ... @@ -1280,7 +1280,7 @@
1280 1280  * Package Size / pcs : cm
1281 1281  * Weight / pcs : g
1282 1282  
1283 -= 11.  ​Support =
1212 += 8.  ​Support =
1284 1284  
1285 1285  * 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.
1286 1286  * 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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