Last modified by Xiaoling on 2025/04/27 16:45

From version 152.4
edited by Xiaoling
on 2022/06/14 17:19
Change comment: There is no comment for this version
To version 147.3
edited by Xiaoling
on 2022/06/10 17:36
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -1,21 +1,15 @@
1 1  (% style="text-align:center" %)
2 2  [[image:1654846127817-788.png]]
3 3  
4 +**Contents:**
4 4  
5 5  
6 6  
7 7  
8 -**Table of Contents:**
9 9  
10 -{{toc/}}
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 -
18 -
19 19  = 1.  Introduction =
20 20  
21 21  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -24,31 +24,24 @@
24 24  
25 25  
26 26  (((
27 -(((
28 28  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.
29 -)))
30 30  
31 -(((
23 +
32 32  It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
33 -)))
34 34  
35 -(((
26 +
36 36  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.
37 -)))
38 38  
39 -(((
29 +
40 40  LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
41 -)))
42 42  
43 -(((
32 +
44 44  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.
45 -)))
46 46  
47 -(((
48 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
35 +
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
49 49  )))
50 50  )))
51 -)))
52 52  
53 53  
54 54  [[image:1654847051249-359.png]]
... ... @@ -71,7 +71,6 @@
71 71  * 4000mAh or 8500mAh Battery for long term use
72 72  
73 73  
74 -
75 75  == 1.3  Specification ==
76 76  
77 77  === 1.3.1  Rated environmental conditions ===
... ... @@ -78,11 +78,9 @@
78 78  
79 79  [[image:image-20220610154839-1.png]]
80 80  
81 -(((
82 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
83 83  
84 -**~ 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)**
85 -)))
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)**
86 86  
87 87  
88 88  
... ... @@ -95,10 +95,7 @@
95 95  [[image:1654852253176-749.png]]
96 96  
97 97  
98 -
99 -(((
100 100  **(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.**
101 -)))
102 102  
103 103  
104 104  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -118,7 +118,6 @@
118 118  * Bottom water level monitoring
119 119  
120 120  
121 -
122 122  == 1.6  Pin mapping and power on ==
123 123  
124 124  
... ... @@ -155,8 +155,6 @@
155 155  )))
156 156  
157 157  (((
158 -
159 -
160 160  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
161 161  )))
162 162  
... ... @@ -167,19 +167,11 @@
167 167  [[image:image-20220607170145-1.jpeg]]
168 168  
169 169  
170 -(((
171 171  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
172 -)))
173 173  
174 -(((
175 175  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
176 -)))
177 177  
178 -(((
179 -
180 -
181 181  **Add APP EUI in the application**
182 -)))
183 183  
184 184  [[image:image-20220610161353-4.png]]
185 185  
... ... @@ -222,15 +222,11 @@
222 222  == 2.3  ​Uplink Payload ==
223 223  
224 224  (((
225 -(((
226 226  LDDS75 will uplink payload via LoRaWAN with below payload format: 
227 -)))
228 228  
229 -(((
230 230  Uplink payload includes in total 4 bytes.
231 231  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
232 232  )))
233 -)))
234 234  
235 235  (((
236 236  
... ... @@ -241,12 +241,12 @@
241 241  **Size (bytes)**
242 242  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
243 243  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
244 -[[Distance>>||anchor="H2.3.2A0Distance"]]
210 +[[Distance>>||anchor="H2.3.3A0Distance"]]
245 245  
246 246  (unit: mm)
247 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
248 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
249 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
213 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
250 250  
251 251  [[image:1654850511545-399.png]]
252 252  
... ... @@ -265,13 +265,9 @@
265 265  
266 266  === 2.3.2  Distance ===
267 267  
268 -(((
269 269  Get the distance. Flat object range 280mm - 7500mm.
270 -)))
271 271  
272 -(((
273 273  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.**
274 -)))
275 275  
276 276  
277 277  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -278,10 +278,9 @@
278 278  * 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.
279 279  
280 280  
281 -
282 282  === 2.3.3  Interrupt Pin ===
283 283  
284 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
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.
285 285  
286 286  **Example:**
287 287  
... ... @@ -307,18 +307,14 @@
307 307  
308 308  === 2.3.5  Sensor Flag ===
309 309  
310 -(((
311 311  0x01: Detect Ultrasonic Sensor
312 -)))
313 313  
314 -(((
315 315  0x00: No Ultrasonic Sensor
316 -)))
317 317  
318 318  
276 +===
277 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
319 319  
320 -=== 2.3.6  Decode payload in The Things Network ===
321 -
322 322  While using TTN network, you can add the payload format to decode the payload.
323 323  
324 324  
... ... @@ -326,9 +326,7 @@
326 326  
327 327  The payload decoder function for TTN V3 is here:
328 328  
329 -(((
330 330  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/]]
331 -)))
332 332  
333 333  
334 334  
... ... @@ -855,21 +855,13 @@
855 855  * Blink once when device transmit a packet.
856 856  
857 857  
858 -
859 859  == 2.8  ​Firmware Change Log ==
860 860  
861 861  
862 -(((
863 863  **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/]]
864 -)))
865 865  
866 -(((
867 -
868 -)))
869 869  
870 -(((
871 871  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
872 -)))
873 873  
874 874  
875 875  
... ... @@ -878,13 +878,11 @@
878 878  
879 879  [[image:image-20220610172003-1.png]]
880 880  
881 -
882 882  [[image:image-20220610172003-2.png]]
883 883  
884 884  
831 +== 2.10  Battery Analysis ==
885 885  
886 -== 2.10  Battery Analysis ==
887 -
888 888  === 2.10.1  Battery Type ===
889 889  
890 890  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.
... ... @@ -893,7 +893,7 @@
893 893  The battery related documents as below:
894 894  
895 895  * (((
896 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
841 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
897 897  )))
898 898  * (((
899 899  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -909,7 +909,7 @@
909 909  === 2.10.2  Replace the battery ===
910 910  
911 911  (((
912 -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.
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 wont be voltage drop between battery and main board.
913 913  )))
914 914  
915 915  (((
... ... @@ -917,12 +917,12 @@
917 917  )))
918 918  
919 919  (((
920 -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)
865 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user cant 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)
921 921  )))
922 922  
923 923  
924 924  
925 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
870 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
926 926  
927 927  (((
928 928  (((
... ... @@ -932,7 +932,7 @@
932 932  
933 933  * (((
934 934  (((
935 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
936 936  )))
937 937  )))
938 938  * (((
... ... @@ -1013,9 +1013,7 @@
1013 1013  [[image:image-20220610172924-5.png]]
1014 1014  
1015 1015  
1016 -(((
1017 1017  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:
1018 -)))
1019 1019  
1020 1020  
1021 1021   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -1031,6 +1031,8 @@
1031 1031  [[image:image-20220610173409-7.png]]
1032 1032  
1033 1033  
977 +
978 +
1034 1034  (((
1035 1035  (% style="color:#037691" %)**Downlink Command: 0x01**
1036 1036  )))
... ... @@ -1039,108 +1039,293 @@
1039 1039  (((
1040 1040  Format: Command Code (0x01) followed by 3 bytes time value.
1041 1041  
1042 -(((
1043 1043  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1044 -)))
1045 1045  
1046 1046  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1047 1047  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1048 1048  )))
992 +
993 +
994 +
1049 1049  )))
1050 1050  
997 +== 3.3  Get Firmware Version Info ==
1051 1051  
999 +Feature: use downlink to get firmware version.
1052 1052  
1001 +(% style="color:#037691" %)**Downlink Command: 0x26**
1053 1053  
1003 +[[image:image-20220607171917-10.png]]
1054 1054  
1055 -== 3.3  Set Interrupt Mode ==
1005 +* Reply to the confirmation package: 26 01
1006 +* Reply to non-confirmed packet: 26 00
1056 1056  
1057 -Feature, Set Interrupt mode for GPIO_EXIT.
1008 +Device will send an uplink after got this downlink command. With below payload:
1058 1058  
1059 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1010 +Configures info payload:
1060 1060  
1061 -[[image:image-20220610174917-9.png]]
1012 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1013 +|=(((
1014 +**Size(bytes)**
1015 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1016 +|**Value**|Software Type|(((
1017 +Frequency
1062 1062  
1019 +Band
1020 +)))|Sub-band|(((
1021 +Firmware
1063 1063  
1064 -(% style="color:#037691" %)**Downlink Command: 0x06**
1023 +Version
1024 +)))|Sensor Type|Reserve|(((
1025 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1026 +Always 0x02
1027 +)))
1065 1065  
1066 -Format: Command Code (0x06) followed by 3 bytes.
1029 +**Software Type**: Always 0x03 for LLDS12
1067 1067  
1031 +
1032 +**Frequency Band**:
1033 +
1034 +*0x01: EU868
1035 +
1036 +*0x02: US915
1037 +
1038 +*0x03: IN865
1039 +
1040 +*0x04: AU915
1041 +
1042 +*0x05: KZ865
1043 +
1044 +*0x06: RU864
1045 +
1046 +*0x07: AS923
1047 +
1048 +*0x08: AS923-1
1049 +
1050 +*0x09: AS923-2
1051 +
1052 +*0xa0: AS923-3
1053 +
1054 +
1055 +**Sub-Band**: value 0x00 ~~ 0x08
1056 +
1057 +
1058 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1059 +
1060 +
1061 +**Sensor Type**:
1062 +
1063 +0x01: LSE01
1064 +
1065 +0x02: LDDS75
1066 +
1067 +0x03: LDDS20
1068 +
1069 +0x04: LLMS01
1070 +
1071 +0x05: LSPH01
1072 +
1073 +0x06: LSNPK01
1074 +
1075 +0x07: LLDS12
1076 +
1077 +
1078 +
1079 += 5.  Battery & How to replace =
1080 +
1081 +== 5.1  Battery Type ==
1082 +
1068 1068  (((
1069 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1084 +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.
1070 1070  )))
1071 1071  
1072 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1073 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1087 +(((
1088 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1089 +)))
1074 1074  
1091 +[[image:1654593587246-335.png]]
1075 1075  
1076 1076  
1077 -= 4.  FAQ =
1094 +Minimum Working Voltage for the LLDS12:
1078 1078  
1079 -== 4.1  What is the frequency plan for LDDS75? ==
1096 +LLDS12:  2.45v ~~ 3.6v
1080 1080  
1081 -LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1082 1082  
1083 1083  
1100 +== 5.2  Replace Battery ==
1084 1084  
1085 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1102 +(((
1103 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1104 +)))
1086 1086  
1087 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1088 -When downloading the images, choose the required image file for download. ​
1106 +(((
1107 +And make sure the positive and negative pins match.
1108 +)))
1089 1089  
1090 1090  
1091 1091  
1092 -== 4.3  Can I use LDDS75 in condensation environment? ==
1112 +== 5.3  Power Consumption Analyze ==
1093 1093  
1094 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1114 +(((
1115 +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.
1116 +)))
1095 1095  
1118 +(((
1119 +Instruction to use as below:
1120 +)))
1096 1096  
1097 1097  
1098 -= 5.  Trouble Shooting =
1123 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1099 1099  
1100 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1125 +[[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/]]
1101 1101  
1102 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1103 1103  
1128 +**Step 2**: Open it and choose
1104 1104  
1105 -== 5.2  AT Command input doesn't work ==
1130 +* Product Model
1131 +* Uplink Interval
1132 +* Working Mode
1106 1106  
1134 +And the Life expectation in difference case will be shown on the right.
1135 +
1136 +[[image:1654593605679-189.png]]
1137 +
1138 +
1139 +The battery related documents as below:
1140 +
1141 +* (((
1142 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1143 +)))
1144 +* (((
1145 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1146 +)))
1147 +* (((
1148 +[[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]]
1149 +)))
1150 +
1151 +[[image:image-20220607172042-11.png]]
1152 +
1153 +
1154 +
1155 +=== 5.3.1  ​Battery Note ===
1156 +
1157 +(((
1158 +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.
1159 +)))
1160 +
1161 +
1162 +
1163 +=== ​5.3.2  Replace the battery ===
1164 +
1165 +(((
1166 +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.
1167 +)))
1168 +
1169 +(((
1170 +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)
1171 +)))
1172 +
1173 +
1174 +
1175 += 6.  Use AT Command =
1176 +
1177 +== 6.1  Access AT Commands ==
1178 +
1179 +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.
1180 +
1181 +[[image:1654593668970-604.png]]
1182 +
1183 +**Connection:**
1184 +
1185 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1186 +
1187 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1188 +
1189 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1190 +
1191 +
1192 +(((
1193 +(((
1194 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1195 +)))
1196 +
1197 +(((
1198 +LLDS12 will output system info once power on as below:
1199 +)))
1200 +)))
1201 +
1202 +
1203 + [[image:1654593712276-618.png]]
1204 +
1205 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1206 +
1207 +
1208 += 7.  FAQ =
1209 +
1210 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1211 +
1212 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1213 +When downloading the images, choose the required image file for download. ​
1214 +
1215 +
1216 += 8.  Trouble Shooting =
1217 +
1218 +== 8.1  AT Commands input doesn’t work ==
1219 +
1220 +
1221 +(((
1107 1107  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.
1223 +)))
1108 1108  
1225 +
1226 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1227 +
1228 +
1109 1109  (((
1110 -
1230 +(% 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.)
1111 1111  )))
1112 1112  
1233 +(((
1234 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1235 +)))
1113 1113  
1114 -= 6.  Order Info =
1237 +(((
1238 +
1239 +)))
1115 1115  
1241 +(((
1242 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1243 +)))
1116 1116  
1117 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1245 +(((
1246 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1247 +)))
1118 1118  
1119 1119  
1120 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1121 1121  
1122 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1123 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1124 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1125 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1126 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1127 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1128 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1129 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1251 += 9.  Order Info =
1130 1130  
1131 -(% style="color:blue" %)**YY**(%%): Battery Option
1132 1132  
1133 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1134 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1254 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1135 1135  
1136 1136  
1257 +(% style="color:blue" %)**XX**(%%): The default frequency band
1137 1137  
1138 -= 7. ​ Packing Info =
1259 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1260 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1261 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1262 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1263 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1264 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1265 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1266 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1139 1139  
1268 += 10. ​ Packing Info =
1140 1140  
1270 +
1141 1141  **Package Includes**:
1142 1142  
1143 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1273 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1144 1144  
1145 1145  **Dimension and weight**:
1146 1146  
... ... @@ -1149,9 +1149,7 @@
1149 1149  * Package Size / pcs : cm
1150 1150  * Weight / pcs : g
1151 1151  
1282 += 11.  ​Support =
1152 1152  
1153 -
1154 -= 8.  ​Support =
1155 -
1156 1156  * 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.
1157 1157  * 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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