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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LDDS45 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,9 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:1654912614655-664.png||height="530" width="628"]]
2 +[[image:1654846127817-788.png]]
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -20,53 +20,27 @@
20 20  
21 21  
22 22  (((
23 -(((
24 24  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.
25 -)))
26 26  
27 -(((
28 -
29 -)))
30 30  
31 -(((
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 -(((
36 -
37 -)))
38 38  
39 -(((
40 40  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.
41 -)))
42 42  
43 -(((
44 -
45 -)))
46 46  
47 -(((
48 -LDDS75 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 -)))
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*.
50 50  
51 -(((
52 -
53 -)))
54 54  
55 -(((
56 56  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.
57 -)))
58 58  
59 -(((
60 -
61 -)))
62 62  
63 -(((
64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
65 65  )))
66 66  )))
67 -)))
68 68  
69 69  
41 +[[image:1654847051249-359.png]]
70 70  
71 71  
72 72  
... ... @@ -86,7 +86,6 @@
86 86  * 4000mAh or 8500mAh Battery for long term use
87 87  
88 88  
89 -
90 90  == 1.3  Specification ==
91 91  
92 92  === 1.3.1  Rated environmental conditions ===
... ... @@ -93,12 +93,12 @@
93 93  
94 94  [[image:image-20220610154839-1.png]]
95 95  
96 -(((
97 -**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)**
98 -)))
67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
99 99  
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)**
100 100  
101 101  
72 +
102 102  === 1.3.2  Effective measurement range Reference beam pattern ===
103 103  
104 104  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -108,10 +108,7 @@
108 108  [[image:1654852253176-749.png]]
109 109  
110 110  
111 -
112 -(((
113 113  **(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.**
114 -)))
115 115  
116 116  
117 117  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -131,7 +131,6 @@
131 131  * Bottom water level monitoring
132 132  
133 133  
134 -
135 135  == 1.6  Pin mapping and power on ==
136 136  
137 137  
... ... @@ -178,17 +178,11 @@
178 178  [[image:image-20220607170145-1.jpeg]]
179 179  
180 180  
181 -(((
182 182  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
183 -)))
184 184  
185 -(((
186 186  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
187 -)))
188 188  
189 -(((
190 190  **Add APP EUI in the application**
191 -)))
192 192  
193 193  [[image:image-20220610161353-4.png]]
194 194  
... ... @@ -231,15 +231,11 @@
231 231  == 2.3  ​Uplink Payload ==
232 232  
233 233  (((
234 -(((
235 235  LDDS75 will uplink payload via LoRaWAN with below payload format: 
236 -)))
237 237  
238 -(((
239 239  Uplink payload includes in total 4 bytes.
240 240  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
241 241  )))
242 -)))
243 243  
244 244  (((
245 245  
... ... @@ -250,12 +250,12 @@
250 250  **Size (bytes)**
251 251  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
252 252  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
253 -[[Distance>>||anchor="H2.3.2A0Distance"]]
210 +[[Distance>>||anchor="H2.3.3A0Distance"]]
254 254  
255 255  (unit: mm)
256 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
257 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
258 -)))|[[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]]
259 259  
260 260  [[image:1654850511545-399.png]]
261 261  
... ... @@ -274,13 +274,9 @@
274 274  
275 275  === 2.3.2  Distance ===
276 276  
277 -(((
278 278  Get the distance. Flat object range 280mm - 7500mm.
279 -)))
280 280  
281 -(((
282 282  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.**
283 -)))
284 284  
285 285  
286 286  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -287,10 +287,9 @@
287 287  * 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.
288 288  
289 289  
290 -
291 291  === 2.3.3  Interrupt Pin ===
292 292  
293 -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.
294 294  
295 295  **Example:**
296 296  
... ... @@ -316,18 +316,14 @@
316 316  
317 317  === 2.3.5  Sensor Flag ===
318 318  
319 -(((
320 320  0x01: Detect Ultrasonic Sensor
321 -)))
322 322  
323 -(((
324 324  0x00: No Ultrasonic Sensor
325 -)))
326 326  
327 327  
276 +===
277 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
328 328  
329 -=== 2.3.6  Decode payload in The Things Network ===
330 -
331 331  While using TTN network, you can add the payload format to decode the payload.
332 332  
333 333  
... ... @@ -335,9 +335,7 @@
335 335  
336 336  The payload decoder function for TTN V3 is here:
337 337  
338 -(((
339 339  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/]]
340 -)))
341 341  
342 342  
343 343  
... ... @@ -864,21 +864,13 @@
864 864  * Blink once when device transmit a packet.
865 865  
866 866  
867 -
868 868  == 2.8  ​Firmware Change Log ==
869 869  
870 870  
871 -(((
872 872  **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/]]
873 -)))
874 874  
875 -(((
876 -
877 -)))
878 878  
879 -(((
880 880  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
881 -)))
882 882  
883 883  
884 884  
... ... @@ -887,13 +887,11 @@
887 887  
888 888  [[image:image-20220610172003-1.png]]
889 889  
890 -
891 891  [[image:image-20220610172003-2.png]]
892 892  
893 893  
831 +== 2.10  Battery Analysis ==
894 894  
895 -== 2.10  Battery Analysis ==
896 -
897 897  === 2.10.1  Battery Type ===
898 898  
899 899  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.
... ... @@ -902,7 +902,7 @@
902 902  The battery related documents as below:
903 903  
904 904  * (((
905 -[[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]],
906 906  )))
907 907  * (((
908 908  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -918,7 +918,7 @@
918 918  === 2.10.2  Replace the battery ===
919 919  
920 920  (((
921 -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.
922 922  )))
923 923  
924 924  (((
... ... @@ -926,12 +926,12 @@
926 926  )))
927 927  
928 928  (((
929 -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)
930 930  )))
931 931  
932 932  
933 933  
934 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
870 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
935 935  
936 936  (((
937 937  (((
... ... @@ -941,7 +941,7 @@
941 941  
942 942  * (((
943 943  (((
944 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
880 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
945 945  )))
946 946  )))
947 947  * (((
... ... @@ -1022,9 +1022,7 @@
1022 1022  [[image:image-20220610172924-5.png]]
1023 1023  
1024 1024  
1025 -(((
1026 1026  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:
1027 -)))
1028 1028  
1029 1029  
1030 1030   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -1040,116 +1040,304 @@
1040 1040  [[image:image-20220610173409-7.png]]
1041 1041  
1042 1042  
977 +
978 +
1043 1043  (((
1044 -(% style="color:#037691" %)**Downlink Command: 0x01**
980 +(% style="color:#037691" %)**Downlink Command: 0x06**
1045 1045  )))
1046 1046  
1047 1047  (((
984 +Format: Command Code (0x06) followed by 3 bytes.
985 +)))
986 +
1048 1048  (((
1049 -Format: Command Code (0x01) followed by 3 bytes time value.
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 +)))
1050 1050  
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 +
1051 1051  (((
1052 -If the downlink payload=0100003C, it means set the END Nodes Transmit Interval to 0x00003C=60(S), while type code is 01.
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.
1053 1053  )))
1054 1054  
1055 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1056 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1088 +(((
1089 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1057 1057  )))
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.
1058 1058  )))
1059 1059  
1107 +(((
1108 +And make sure the positive and negative pins match.
1109 +)))
1060 1060  
1061 1061  
1062 1062  
1113 +== 5.3  Power Consumption Analyze ==
1063 1063  
1064 -== 3.3  Set Interrupt Mode ==
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 +)))
1065 1065  
1066 -Feature, Set Interrupt mode for GPIO_EXIT.
1119 +(((
1120 +Instruction to use as below:
1121 +)))
1067 1067  
1068 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1069 1069  
1070 -[[image:image-20220610174917-9.png]]
1124 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1071 1071  
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/]]
1072 1072  
1073 -(% style="color:#037691" %)**Downlink Command: 0x06**
1074 1074  
1075 -Format: Command Code (0x06) followed by 3 bytes.
1129 +**Step 2**: Open it and choose
1076 1076  
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 +
1077 1077  (((
1078 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
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.
1079 1079  )))
1080 1080  
1081 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1082 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1084 1084  
1164 +=== ​5.3.2  Replace the battery ===
1085 1085  
1086 -= 4.  FAQ =
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 +)))
1087 1087  
1088 -== 4.1  What is the frequency plan for LDDS75? ==
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 +)))
1089 1089  
1090 -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"]]
1091 1091  
1092 1092  
1176 += 6.  Use AT Command =
1093 1093  
1094 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1178 +== 6.1  Access AT Commands ==
1095 1095  
1096 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1097 -When downloading the images, choose the required image file for download. ​
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.
1098 1098  
1182 +[[image:1654593668970-604.png]]
1099 1099  
1184 +**Connection:**
1100 1100  
1101 -== 4.3  Can I use LDDS75 in condensation environment? ==
1186 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1102 1102  
1103 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1188 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1104 1104  
1190 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1105 1105  
1106 1106  
1107 -= 5.  Trouble Shooting =
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 +)))
1108 1108  
1109 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1198 +(((
1199 +LLDS12 will output system info once power on as below:
1200 +)))
1201 +)))
1110 1110  
1111 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1112 1112  
1204 + [[image:1654593712276-618.png]]
1113 1113  
1114 -== 5.2  AT Command input doesn't work ==
1206 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1115 1115  
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 +(((
1116 1116  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 +)))
1117 1117  
1226 +
1227 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1228 +
1229 +
1118 1118  (((
1119 -
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.)
1120 1120  )))
1121 1121  
1234 +(((
1235 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1236 +)))
1122 1122  
1123 -= 6.  Order Info =
1238 +(((
1239 +
1240 +)))
1124 1124  
1242 +(((
1243 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1244 +)))
1125 1125  
1126 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1246 +(((
1247 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1248 +)))
1127 1127  
1128 1128  
1129 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1130 1130  
1131 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1132 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1133 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1134 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1135 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1136 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1137 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1138 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1252 += 9.  Order Info =
1139 1139  
1140 -(% style="color:blue" %)**YY**(%%): Battery Option
1141 1141  
1142 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1143 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1255 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1144 1144  
1145 1145  
1258 +(% style="color:blue" %)**XX**(%%): The default frequency band
1146 1146  
1147 -= 7. ​ Packing Info =
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
1148 1148  
1269 += 10. ​ Packing Info =
1149 1149  
1271 +
1150 1150  **Package Includes**:
1151 1151  
1152 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1274 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1153 1153  
1154 1154  **Dimension and weight**:
1155 1155  
... ... @@ -1158,9 +1158,7 @@
1158 1158  * Package Size / pcs : cm
1159 1159  * Weight / pcs : g
1160 1160  
1283 += 11.  ​Support =
1161 1161  
1162 -
1163 -= 8.  ​Support =
1164 -
1165 1165  * 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.
1166 1166  * 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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