Last modified by Xiaoling on 2025/04/27 16:45
<
From version < 150.40 >
edited by Xiaoling
on 2022/06/11 09:14
To version < 146.1 >
edited by Xiaoling
on 2022/06/10 17:29
>
Change comment: Uploaded new attachment "image-20220610172924-6.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -3,7 +3,6 @@
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 ==
... ... @@ -20,51 +20,24 @@
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 48  LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 -)))
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  
70 70  [[image:1654847051249-359.png]]
... ... @@ -94,12 +94,12 @@
94 94  
95 95  [[image:image-20220610154839-1.png]]
96 96  
97 -(((
98 -**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)**
99 -)))
68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
100 100  
70 +**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)**
101 101  
102 102  
73 +
103 103  === 1.3.2  Effective measurement range Reference beam pattern ===
104 104  
105 105  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -109,7 +109,6 @@
109 109  [[image:1654852253176-749.png]]
110 110  
111 111  
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.**
114 114  
115 115  
... ... @@ -131,7 +131,6 @@
131 131  
132 132  
133 133  
134 -
135 135  == 1.6  Pin mapping and power on ==
136 136  
137 137  
... ... @@ -240,12 +240,12 @@
240 240  **Size (bytes)**
241 241  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
242 242  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
243 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
244 244  
245 245  (unit: mm)
246 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
247 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
248 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
215 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
216 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
217 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
249 249  
250 250  [[image:1654850511545-399.png]]
251 251  
... ... @@ -272,9 +272,11 @@
272 272  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
273 273  * 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.
274 274  
244 +
245 +
275 275  === 2.3.3  Interrupt Pin ===
276 276  
277 -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.
248 +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.
278 278  
279 279  **Example:**
280 280  
... ... @@ -305,9 +305,9 @@
305 305  0x00: No Ultrasonic Sensor
306 306  
307 307  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
308 308  
309 -=== 2.3.6  Decode payload in The Things Network ===
310 -
311 311  While using TTN network, you can add the payload format to decode the payload.
312 312  
313 313  
... ... @@ -841,6 +841,8 @@
841 841  * Solid ON for 5 seconds once device successful Join the network.
842 842  * Blink once when device transmit a packet.
843 843  
815 +
816 +
844 844  == 2.8  ​Firmware Change Log ==
845 845  
846 846  
... ... @@ -856,13 +856,11 @@
856 856  
857 857  [[image:image-20220610172003-1.png]]
858 858  
859 -
860 860  [[image:image-20220610172003-2.png]]
861 861  
862 862  
835 +== 2.10  Battery Analysis  ==
863 863  
864 -== 2.10  Battery Analysis ==
865 -
866 866  === 2.10.1  Battery Type ===
867 867  
868 868  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.
... ... @@ -871,7 +871,7 @@
871 871  The battery related documents as below:
872 872  
873 873  * (((
874 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
875 875  )))
876 876  * (((
877 877  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -887,7 +887,7 @@
887 887  === 2.10.2  Replace the battery ===
888 888  
889 889  (((
890 -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.
861 +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.
891 891  )))
892 892  
893 893  (((
... ... @@ -895,22 +895,22 @@
895 895  )))
896 896  
897 897  (((
898 -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)
869 +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)
899 899  )))
900 900  
901 901  
902 902  
903 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
904 904  
905 905  (((
906 906  (((
907 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
908 908  )))
909 909  )))
910 910  
911 911  * (((
912 912  (((
913 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
914 914  )))
915 915  )))
916 916  * (((
... ... @@ -925,7 +925,7 @@
925 925  )))
926 926  
927 927  (((
928 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
929 929  )))
930 930  )))
931 931  
... ... @@ -966,150 +966,351 @@
966 966  
967 967  * (((
968 968  (((
969 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
970 970  )))
971 971  )))
972 972  
973 973  (((
974 974  (((
975 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
976 976  )))
977 977  )))
978 978  
979 979  
980 980  
981 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
982 982  
983 -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.
954 +Feature: Change LoRaWAN End Node Transmit Interval.
984 984  
985 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
986 986  
958 +[[image:image-20220607171554-8.png]]
987 987  
988 -Or if you have below board, use below connection:
989 989  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
990 990  
991 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
992 992  
969 +(((
970 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
971 +)))
993 993  
994 -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:
973 +* (((
974 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
975 +)))
976 +* (((
977 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
978 +)))
995 995  
980 +== 4.2  Set Interrupt Mode ==
996 996  
997 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
998 998  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
999 999  
986 +[[image:image-20220610105806-2.png]]
1000 1000  
1001 -== 3.2  Set Transmit Interval Time ==
1002 1002  
1003 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1004 1004  
1005 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1006 1006  
1007 -[[image:image-20220610173409-7.png]]
997 +(((
998 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
999 +)))
1008 1008  
1001 +* (((
1002 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1003 +)))
1004 +* (((
1005 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1006 +)))
1009 1009  
1008 +== 4.3  Get Firmware Version Info ==
1009 +
1010 +Feature: use downlink to get firmware version.
1011 +
1012 +(% style="color:#037691" %)**Downlink Command: 0x26**
1013 +
1014 +[[image:image-20220607171917-10.png]]
1015 +
1016 +* Reply to the confirmation package: 26 01
1017 +* Reply to non-confirmed packet: 26 00
1018 +
1019 +Device will send an uplink after got this downlink command. With below payload:
1020 +
1021 +Configures info payload:
1022 +
1023 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1024 +|=(((
1025 +**Size(bytes)**
1026 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1027 +|**Value**|Software Type|(((
1028 +Frequency
1029 +
1030 +Band
1031 +)))|Sub-band|(((
1032 +Firmware
1033 +
1034 +Version
1035 +)))|Sensor Type|Reserve|(((
1036 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1037 +Always 0x02
1038 +)))
1039 +
1040 +**Software Type**: Always 0x03 for LLDS12
1041 +
1042 +
1043 +**Frequency Band**:
1044 +
1045 +*0x01: EU868
1046 +
1047 +*0x02: US915
1048 +
1049 +*0x03: IN865
1050 +
1051 +*0x04: AU915
1052 +
1053 +*0x05: KZ865
1054 +
1055 +*0x06: RU864
1056 +
1057 +*0x07: AS923
1058 +
1059 +*0x08: AS923-1
1060 +
1061 +*0x09: AS923-2
1062 +
1063 +*0xa0: AS923-3
1064 +
1065 +
1066 +**Sub-Band**: value 0x00 ~~ 0x08
1067 +
1068 +
1069 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1070 +
1071 +
1072 +**Sensor Type**:
1073 +
1074 +0x01: LSE01
1075 +
1076 +0x02: LDDS75
1077 +
1078 +0x03: LDDS20
1079 +
1080 +0x04: LLMS01
1081 +
1082 +0x05: LSPH01
1083 +
1084 +0x06: LSNPK01
1085 +
1086 +0x07: LLDS12
1087 +
1088 +
1089 +
1090 += 5.  Battery & How to replace =
1091 +
1092 +== 5.1  Battery Type ==
1093 +
1010 1010  (((
1011 -(% style="color:#037691" %)**Downlink Command: 0x01**
1095 +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.
1012 1012  )))
1013 1013  
1014 1014  (((
1099 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1100 +)))
1101 +
1102 +[[image:1654593587246-335.png]]
1103 +
1104 +
1105 +Minimum Working Voltage for the LLDS12:
1106 +
1107 +LLDS12:  2.45v ~~ 3.6v
1108 +
1109 +
1110 +
1111 +== 5.2  Replace Battery ==
1112 +
1015 1015  (((
1016 -Format: Command Code (0x01) followed by 3 bytes time value.
1114 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1115 +)))
1017 1017  
1018 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1117 +(((
1118 +And make sure the positive and negative pins match.
1119 +)))
1019 1019  
1020 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1021 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1121 +
1122 +
1123 +== 5.3  Power Consumption Analyze ==
1124 +
1125 +(((
1126 +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.
1022 1022  )))
1023 1023  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1024 1024  
1025 -
1133 +
1134 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1135 +
1136 +[[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/]]
1137 +
1138 +
1139 +**Step 2**: Open it and choose
1140 +
1141 +* Product Model
1142 +* Uplink Interval
1143 +* Working Mode
1144 +
1145 +And the Life expectation in difference case will be shown on the right.
1146 +
1147 +[[image:1654593605679-189.png]]
1148 +
1149 +
1150 +The battery related documents as below:
1151 +
1152 +* (((
1153 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1026 1026  )))
1155 +* (((
1156 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1157 +)))
1158 +* (((
1159 +[[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]]
1160 +)))
1027 1027  
1028 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1029 1029  
1030 -Feature, Set Interrupt mode for GPIO_EXIT.
1031 1031  
1032 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1033 1033  
1034 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1035 1035  
1168 +(((
1169 +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.
1170 +)))
1036 1036  
1037 -(% style="color:#037691" %)**Downlink Command: 0x06**
1038 1038  
1039 -Format: Command Code (0x06) followed by 3 bytes.
1040 1040  
1041 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1174 +=== ​5.3.2  Replace the battery ===
1042 1042  
1043 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1044 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1176 +(((
1177 +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.
1178 +)))
1045 1045  
1180 +(((
1181 +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)
1182 +)))
1046 1046  
1047 -= 4.  FAQ =
1048 1048  
1049 -== 4.1  What is the frequency plan for LDDS75? ==
1050 1050  
1051 -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"]]
1186 += 6.  Use AT Command =
1052 1052  
1188 +== 6.1  Access AT Commands ==
1053 1053  
1190 +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.
1054 1054  
1055 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1192 +[[image:1654593668970-604.png]]
1056 1056  
1057 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1058 -When downloading the images, choose the required image file for download. ​
1194 +**Connection:**
1059 1059  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1060 1060  
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1061 1061  
1062 -== 4.3  Can I use LDDS75 in condensation environment? ==
1200 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1063 1063  
1064 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1065 1065  
1203 +(((
1204 +(((
1205 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1206 +)))
1066 1066  
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1067 1067  
1068 -= 5.  Trouble Shooting =
1069 1069  
1070 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1214 + [[image:1654593712276-618.png]]
1071 1071  
1072 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1073 1073  
1074 1074  
1075 -== 5.2  AT Command input doesn't work ==
1219 += 7.  FAQ =
1076 1076  
1221 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1222 +
1223 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1224 +When downloading the images, choose the required image file for download. ​
1225 +
1226 +
1227 += 8.  Trouble Shooting =
1228 +
1229 +== 8.1  AT Commands input doesn’t work ==
1230 +
1231 +
1232 +(((
1077 1077  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.
1234 +)))
1078 1078  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1079 1079  (((
1241 +(% 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.)
1242 +)))
1243 +
1244 +(((
1245 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1246 +)))
1247 +
1248 +(((
1080 1080  
1081 1081  )))
1082 1082  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1083 1083  
1084 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1085 1085  
1086 1086  
1087 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1088 1088  
1262 += 9.  Order Info =
1089 1089  
1090 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1091 1091  
1092 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1093 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1094 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1095 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1096 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1097 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1098 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1099 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1100 1100  
1101 -(% style="color:blue" %)**YY**(%%): Battery Option
1102 1102  
1103 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1104 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1105 1105  
1270 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1271 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1272 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1273 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1274 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1275 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1276 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1277 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1106 1106  
1107 -= 7. ​ Packing Info =
1279 += 10. ​ Packing Info =
1108 1108  
1109 1109  
1110 1110  **Package Includes**:
1111 1111  
1112 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1113 1113  
1114 1114  **Dimension and weight**:
1115 1115  
... ... @@ -1118,8 +1118,7 @@
1118 1118  * Package Size / pcs : cm
1119 1119  * Weight / pcs : g
1120 1120  
1293 += 11.  ​Support =
1121 1121  
1122 -= 8.  ​Support =
1123 -
1124 1124  * 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.
1125 1125  * 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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