Last modified by Xiaoling on 2025/04/27 16:45
<
From version < 150.37 >
edited by Xiaoling
on 2022/06/11 09:13
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  
... ... @@ -129,6 +129,8 @@
129 129  * Sewer
130 130  * Bottom water level monitoring
131 131  
102 +
103 +
132 132  == 1.6  Pin mapping and power on ==
133 133  
134 134  
... ... @@ -237,12 +237,12 @@
237 237  **Size (bytes)**
238 238  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
239 239  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
240 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
241 241  
242 242  (unit: mm)
243 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
244 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
245 -)))|[[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]]
246 246  
247 247  [[image:1654850511545-399.png]]
248 248  
... ... @@ -269,9 +269,11 @@
269 269  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
270 270  * 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.
271 271  
244 +
245 +
272 272  === 2.3.3  Interrupt Pin ===
273 273  
274 -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.
275 275  
276 276  **Example:**
277 277  
... ... @@ -302,9 +302,9 @@
302 302  0x00: No Ultrasonic Sensor
303 303  
304 304  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
305 305  
306 -=== 2.3.6  Decode payload in The Things Network ===
307 -
308 308  While using TTN network, you can add the payload format to decode the payload.
309 309  
310 310  
... ... @@ -838,6 +838,8 @@
838 838  * Solid ON for 5 seconds once device successful Join the network.
839 839  * Blink once when device transmit a packet.
840 840  
815 +
816 +
841 841  == 2.8  ​Firmware Change Log ==
842 842  
843 843  
... ... @@ -853,13 +853,11 @@
853 853  
854 854  [[image:image-20220610172003-1.png]]
855 855  
856 -
857 857  [[image:image-20220610172003-2.png]]
858 858  
859 859  
835 +== 2.10  Battery Analysis  ==
860 860  
861 -== 2.10  Battery Analysis ==
862 -
863 863  === 2.10.1  Battery Type ===
864 864  
865 865  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.
... ... @@ -868,7 +868,7 @@
868 868  The battery related documents as below:
869 869  
870 870  * (((
871 -[[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]],
872 872  )))
873 873  * (((
874 874  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -884,7 +884,7 @@
884 884  === 2.10.2  Replace the battery ===
885 885  
886 886  (((
887 -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.
888 888  )))
889 889  
890 890  (((
... ... @@ -892,22 +892,22 @@
892 892  )))
893 893  
894 894  (((
895 -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)
896 896  )))
897 897  
898 898  
899 899  
900 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
901 901  
902 902  (((
903 903  (((
904 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
905 905  )))
906 906  )))
907 907  
908 908  * (((
909 909  (((
910 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
911 911  )))
912 912  )))
913 913  * (((
... ... @@ -922,7 +922,7 @@
922 922  )))
923 923  
924 924  (((
925 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
926 926  )))
927 927  )))
928 928  
... ... @@ -963,150 +963,351 @@
963 963  
964 964  * (((
965 965  (((
966 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
967 967  )))
968 968  )))
969 969  
970 970  (((
971 971  (((
972 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
973 973  )))
974 974  )))
975 975  
976 976  
977 977  
978 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
979 979  
980 -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.
981 981  
982 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
983 983  
958 +[[image:image-20220607171554-8.png]]
984 984  
985 -Or if you have below board, use below connection:
986 986  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
987 987  
988 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
989 989  
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 +)))
990 990  
991 -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 +)))
992 992  
980 +== 4.2  Set Interrupt Mode ==
993 993  
994 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
995 995  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
996 996  
986 +[[image:image-20220610105806-2.png]]
997 997  
998 -== 3.2  Set Transmit Interval Time ==
999 999  
1000 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1001 1001  
1002 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1003 1003  
1004 -[[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 +)))
1005 1005  
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 +)))
1006 1006  
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 +
1007 1007  (((
1008 -(% 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.
1009 1009  )))
1010 1010  
1011 1011  (((
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 +
1012 1012  (((
1013 -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 +)))
1014 1014  
1015 -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 +)))
1016 1016  
1017 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1018 -* 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.
1019 1019  )))
1020 1020  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1021 1021  
1022 -
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]],
1023 1023  )))
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 +)))
1024 1024  
1025 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1026 1026  
1027 -Feature, Set Interrupt mode for GPIO_EXIT.
1028 1028  
1029 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1030 1030  
1031 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1032 1032  
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 +)))
1033 1033  
1034 -(% style="color:#037691" %)**Downlink Command: 0x06**
1035 1035  
1036 -Format: Command Code (0x06) followed by 3 bytes.
1037 1037  
1038 -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 ===
1039 1039  
1040 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1041 -* 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 +)))
1042 1042  
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 +)))
1043 1043  
1044 -= 4.  FAQ =
1045 1045  
1046 -== 4.1  What is the frequency plan for LDDS75? ==
1047 1047  
1048 -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 =
1049 1049  
1188 +== 6.1  Access AT Commands ==
1050 1050  
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.
1051 1051  
1052 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1192 +[[image:1654593668970-604.png]]
1053 1053  
1054 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1055 -When downloading the images, choose the required image file for download. ​
1194 +**Connection:**
1056 1056  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1057 1057  
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1058 1058  
1059 -== 4.3  Can I use LDDS75 in condensation environment? ==
1200 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1060 1060  
1061 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1062 1062  
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 +)))
1063 1063  
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1064 1064  
1065 -= 5.  Trouble Shooting =
1066 1066  
1067 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1214 + [[image:1654593712276-618.png]]
1068 1068  
1069 -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"]].
1070 1070  
1071 1071  
1072 -== 5.2  AT Command input doesn't work ==
1219 += 7.  FAQ =
1073 1073  
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 +(((
1074 1074  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 +)))
1075 1075  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1076 1076  (((
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 +(((
1077 1077  
1078 1078  )))
1079 1079  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1080 1080  
1081 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1082 1082  
1083 1083  
1084 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1085 1085  
1262 += 9.  Order Info =
1086 1086  
1087 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1088 1088  
1089 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1090 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1091 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1092 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1093 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1094 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1095 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1096 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1097 1097  
1098 -(% style="color:blue" %)**YY**(%%): Battery Option
1099 1099  
1100 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1101 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1102 1102  
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
1103 1103  
1104 -= 7. ​ Packing Info =
1279 += 10. ​ Packing Info =
1105 1105  
1106 1106  
1107 1107  **Package Includes**:
1108 1108  
1109 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1110 1110  
1111 1111  **Dimension and weight**:
1112 1112  
... ... @@ -1115,8 +1115,7 @@
1115 1115  * Package Size / pcs : cm
1116 1116  * Weight / pcs : g
1117 1117  
1293 += 11.  ​Support =
1118 1118  
1119 -= 8.  ​Support =
1120 -
1121 1121  * 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.
1122 1122  * 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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