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

From version 150.34
edited by Xiaoling
on 2022/06/11 09:10
Change comment: There is no comment for this version
To version 143.1
edited by Xiaoling
on 2022/06/10 17:24
Change comment: Uploaded new attachment "image-20220610172400-3.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 ==
... ... @@ -35,7 +35,7 @@
35 35  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.
36 36  
37 37  
38 -(% 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
39 39  )))
40 40  )))
41 41  
... ... @@ -59,6 +59,8 @@
59 59  * IP66 Waterproof Enclosure
60 60  * 4000mAh or 8500mAh Battery for long term use
61 61  
60 +
61 +
62 62  == 1.3  Specification ==
63 63  
64 64  === 1.3.1  Rated environmental conditions ===
... ... @@ -80,7 +80,6 @@
80 80  [[image:1654852253176-749.png]]
81 81  
82 82  
83 -
84 84  **(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.**
85 85  
86 86  
... ... @@ -100,6 +100,8 @@
100 100  * Sewer
101 101  * Bottom water level monitoring
102 102  
102 +
103 +
103 103  == 1.6  Pin mapping and power on ==
104 104  
105 105  
... ... @@ -208,12 +208,12 @@
208 208  **Size (bytes)**
209 209  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
210 210  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
211 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
212 212  
213 213  (unit: mm)
214 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
215 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
216 -)))|[[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]]
217 217  
218 218  [[image:1654850511545-399.png]]
219 219  
... ... @@ -241,9 +241,10 @@
241 241  * 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.
242 242  
243 243  
245 +
244 244  === 2.3.3  Interrupt Pin ===
245 245  
246 -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.
247 247  
248 248  **Example:**
249 249  
... ... @@ -274,9 +274,9 @@
274 274  0x00: No Ultrasonic Sensor
275 275  
276 276  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
277 277  
278 -=== 2.3.6  Decode payload in The Things Network ===
279 -
280 280  While using TTN network, you can add the payload format to decode the payload.
281 281  
282 282  
... ... @@ -802,19 +802,15 @@
802 802  
803 803  == 2.7  LED Indicator ==
804 804  
805 -The LDDS75 has an internal LED which is to show the status of different state.
807 +The LLDS12 has an internal LED which is to show the status of different state.
806 806  
807 -
808 -* Blink once when device power on.
809 -* The device detects the sensor and flashes 5 times.
810 -* Solid ON for 5 seconds once device successful Join the network.
809 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
811 811  * Blink once when device transmit a packet.
812 812  
813 -
814 814  == 2.8  ​Firmware Change Log ==
815 815  
816 816  
817 -**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/]]
815 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
818 818  
819 819  
820 820  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -821,66 +821,77 @@
821 821  
822 822  
823 823  
824 -== 2.9  Mechanical ==
822 += 3LiDAR ToF Measurement =
825 825  
824 +== 3.1 Principle of Distance Measurement ==
826 826  
827 -[[image:image-20220610172003-1.png]]
826 +The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
828 828  
828 +[[image:1654831757579-263.png]]
829 829  
830 -[[image:image-20220610172003-2.png]]
831 831  
832 832  
832 +== 3.2 Distance Measurement Characteristics ==
833 833  
834 -== 2.10  Battery Analysis ==
834 +With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
835 835  
836 -=== 2.10.1  Battery Type ===
836 +[[image:1654831774373-275.png]]
837 837  
838 -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.
839 839  
839 +(((
840 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
841 +)))
840 840  
841 -The battery related documents as below:
843 +(((
844 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
845 +)))
842 842  
843 -* (((
844 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
847 +(((
848 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
845 845  )))
846 -* (((
847 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
848 -)))
849 -* (((
850 -[[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]]
851 -)))
852 852  
853 - [[image:image-20220610172400-3.png]]
854 854  
852 +(((
853 +Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
854 +)))
855 855  
856 856  
857 -=== 2.10.2  Replace the battery ===
857 +[[image:1654831797521-720.png]]
858 858  
859 -(((
860 -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 -)))
862 862  
863 863  (((
864 -
861 +In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
865 865  )))
866 866  
864 +[[image:1654831810009-716.png]]
865 +
866 +
867 867  (((
868 -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)
868 +If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
869 869  )))
870 870  
871 871  
872 872  
873 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
873 +== 3.3 Notice of usage: ==
874 874  
875 +Possible invalid /wrong reading for LiDAR ToF tech:
876 +
877 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
878 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
879 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
880 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
881 +
882 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
883 +
875 875  (((
876 876  (((
877 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
886 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
878 878  )))
879 879  )))
880 880  
881 881  * (((
882 882  (((
883 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
892 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
884 884  )))
885 885  )))
886 886  * (((
... ... @@ -895,7 +895,7 @@
895 895  )))
896 896  
897 897  (((
898 -There are two kinds of commands to configure LDDS75, they are:
907 +There are two kinds of commands to configure LLDS12, they are:
899 899  )))
900 900  )))
901 901  
... ... @@ -936,152 +936,351 @@
936 936  
937 937  * (((
938 938  (((
939 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
948 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
940 940  )))
941 941  )))
942 942  
943 943  (((
944 944  (((
945 -These commands only valid for LDDS75, as below:
954 +These commands only valid for LLDS12, as below:
946 946  )))
947 947  )))
948 948  
949 949  
950 950  
951 -== 3.1  Access AT Commands ==
960 +== 4.1  Set Transmit Interval Time ==
952 952  
953 -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.
962 +Feature: Change LoRaWAN End Node Transmit Interval.
954 954  
955 -[[image:image-20220610172924-4.png||height="483" width="988"]]
964 +(% style="color:#037691" %)**AT Command: AT+TDC**
956 956  
966 +[[image:image-20220607171554-8.png]]
957 957  
958 -Or if you have below board, use below connection:
959 959  
969 +(((
970 +(% style="color:#037691" %)**Downlink Command: 0x01**
971 +)))
960 960  
961 -[[image:image-20220610172924-5.png]]
973 +(((
974 +Format: Command Code (0x01) followed by 3 bytes time value.
975 +)))
962 962  
977 +(((
978 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
979 +)))
963 963  
964 -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:
981 +* (((
982 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
983 +)))
984 +* (((
985 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
986 +)))
965 965  
988 +== 4.2  Set Interrupt Mode ==
966 966  
967 - [[image:image-20220610172924-6.png||height="601" width="860"]]
990 +Feature, Set Interrupt mode for GPIO_EXIT.
968 968  
992 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
969 969  
994 +[[image:image-20220610105806-2.png]]
970 970  
971 -== 3.2  Set Transmit Interval Time ==
972 972  
973 -Feature: Change LoRaWAN End Node Transmit Interval.
997 +(((
998 +(% style="color:#037691" %)**Downlink Command: 0x06**
999 +)))
974 974  
975 -(% style="color:#037691" %)**AT Command: AT+TDC**
1001 +(((
1002 +Format: Command Code (0x06) followed by 3 bytes.
1003 +)))
976 976  
977 -[[image:image-20220610173409-7.png]]
1005 +(((
1006 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1007 +)))
978 978  
1009 +* (((
1010 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1011 +)))
1012 +* (((
1013 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1014 +)))
979 979  
1016 +== 4.3  Get Firmware Version Info ==
1017 +
1018 +Feature: use downlink to get firmware version.
1019 +
1020 +(% style="color:#037691" %)**Downlink Command: 0x26**
1021 +
1022 +[[image:image-20220607171917-10.png]]
1023 +
1024 +* Reply to the confirmation package: 26 01
1025 +* Reply to non-confirmed packet: 26 00
1026 +
1027 +Device will send an uplink after got this downlink command. With below payload:
1028 +
1029 +Configures info payload:
1030 +
1031 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1032 +|=(((
1033 +**Size(bytes)**
1034 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1035 +|**Value**|Software Type|(((
1036 +Frequency
1037 +
1038 +Band
1039 +)))|Sub-band|(((
1040 +Firmware
1041 +
1042 +Version
1043 +)))|Sensor Type|Reserve|(((
1044 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1045 +Always 0x02
1046 +)))
1047 +
1048 +**Software Type**: Always 0x03 for LLDS12
1049 +
1050 +
1051 +**Frequency Band**:
1052 +
1053 +*0x01: EU868
1054 +
1055 +*0x02: US915
1056 +
1057 +*0x03: IN865
1058 +
1059 +*0x04: AU915
1060 +
1061 +*0x05: KZ865
1062 +
1063 +*0x06: RU864
1064 +
1065 +*0x07: AS923
1066 +
1067 +*0x08: AS923-1
1068 +
1069 +*0x09: AS923-2
1070 +
1071 +*0xa0: AS923-3
1072 +
1073 +
1074 +**Sub-Band**: value 0x00 ~~ 0x08
1075 +
1076 +
1077 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1078 +
1079 +
1080 +**Sensor Type**:
1081 +
1082 +0x01: LSE01
1083 +
1084 +0x02: LDDS75
1085 +
1086 +0x03: LDDS20
1087 +
1088 +0x04: LLMS01
1089 +
1090 +0x05: LSPH01
1091 +
1092 +0x06: LSNPK01
1093 +
1094 +0x07: LLDS12
1095 +
1096 +
1097 +
1098 += 5.  Battery & How to replace =
1099 +
1100 +== 5.1  Battery Type ==
1101 +
980 980  (((
981 -(% style="color:#037691" %)**Downlink Command: 0x01**
1103 +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.
982 982  )))
983 983  
984 984  (((
1107 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1108 +)))
1109 +
1110 +[[image:1654593587246-335.png]]
1111 +
1112 +
1113 +Minimum Working Voltage for the LLDS12:
1114 +
1115 +LLDS12:  2.45v ~~ 3.6v
1116 +
1117 +
1118 +
1119 +== 5.2  Replace Battery ==
1120 +
985 985  (((
986 -Format: Command Code (0x01) followed by 3 bytes time value.
1122 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1123 +)))
987 987  
988 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1125 +(((
1126 +And make sure the positive and negative pins match.
1127 +)))
989 989  
990 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
991 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1129 +
1130 +
1131 +== 5.3  Power Consumption Analyze ==
1132 +
1133 +(((
1134 +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.
992 992  )))
993 993  
1137 +(((
1138 +Instruction to use as below:
1139 +)))
994 994  
995 -
1141 +
1142 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1143 +
1144 +[[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/]]
1145 +
1146 +
1147 +**Step 2**: Open it and choose
1148 +
1149 +* Product Model
1150 +* Uplink Interval
1151 +* Working Mode
1152 +
1153 +And the Life expectation in difference case will be shown on the right.
1154 +
1155 +[[image:1654593605679-189.png]]
1156 +
1157 +
1158 +The battery related documents as below:
1159 +
1160 +* (((
1161 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
996 996  )))
1163 +* (((
1164 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1165 +)))
1166 +* (((
1167 +[[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]]
1168 +)))
997 997  
998 -== 3.3  Set Interrupt Mode ==
1170 +[[image:image-20220607172042-11.png]]
999 999  
1000 -Feature, Set Interrupt mode for GPIO_EXIT.
1001 1001  
1002 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1003 1003  
1004 -[[image:image-20220610174917-9.png]]
1174 +=== 5.3.1  ​Battery Note ===
1005 1005  
1176 +(((
1177 +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.
1178 +)))
1006 1006  
1007 -(% style="color:#037691" %)**Downlink Command: 0x06**
1008 1008  
1009 -Format: Command Code (0x06) followed by 3 bytes.
1010 1010  
1011 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1182 +=== ​5.3.2  Replace the battery ===
1012 1012  
1013 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1014 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1184 +(((
1185 +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.
1186 +)))
1015 1015  
1188 +(((
1189 +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)
1190 +)))
1016 1016  
1017 1017  
1018 -= 4.  FAQ =
1019 1019  
1020 -== 4.1  What is the frequency plan for LDDS75? ==
1194 += 6Use AT Command =
1021 1021  
1022 -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"]]
1196 +== 6.1  Access AT Commands ==
1023 1023  
1198 +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.
1024 1024  
1200 +[[image:1654593668970-604.png]]
1025 1025  
1026 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1202 +**Connection:**
1027 1027  
1028 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1029 -When downloading the images, choose the required image file for download. ​
1204 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1030 1030  
1206 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1031 1031  
1208 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1032 1032  
1033 -== 4.3  Can I use LDDS75 in condensation environment? ==
1034 1034  
1035 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1211 +(((
1212 +(((
1213 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1214 +)))
1036 1036  
1216 +(((
1217 +LLDS12 will output system info once power on as below:
1218 +)))
1219 +)))
1037 1037  
1038 1038  
1039 -= 5.  Trouble Shooting =
1222 + [[image:1654593712276-618.png]]
1040 1040  
1041 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1224 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1042 1042  
1043 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1044 1044  
1227 += 7.  FAQ =
1045 1045  
1046 -== 5.2  AT Command input doesn't work ==
1229 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1047 1047  
1231 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1232 +When downloading the images, choose the required image file for download. ​
1233 +
1234 +
1235 += 8.  Trouble Shooting =
1236 +
1237 +== 8.1  AT Commands input doesn’t work ==
1238 +
1239 +
1240 +(((
1048 1048  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.
1242 +)))
1049 1049  
1244 +
1245 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1246 +
1247 +
1050 1050  (((
1051 -
1249 +(% 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.)
1052 1052  )))
1053 1053  
1252 +(((
1253 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1254 +)))
1054 1054  
1055 -= 6.  Order Info =
1256 +(((
1257 +
1258 +)))
1056 1056  
1260 +(((
1261 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1262 +)))
1057 1057  
1058 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1264 +(((
1265 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1266 +)))
1059 1059  
1060 1060  
1061 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1062 1062  
1063 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1064 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1065 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1066 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1067 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1068 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1069 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1070 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1270 += 9.  Order Info =
1071 1071  
1072 -(% style="color:blue" %)**YY**(%%): Battery Option
1073 1073  
1074 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1075 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1273 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1076 1076  
1077 1077  
1276 +(% style="color:blue" %)**XX**(%%): The default frequency band
1078 1078  
1079 -= 7. ​ Packing Info =
1278 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1279 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1280 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1281 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1282 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1283 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1284 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1285 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1080 1080  
1287 += 10. ​ Packing Info =
1081 1081  
1289 +
1082 1082  **Package Includes**:
1083 1083  
1084 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1292 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1085 1085  
1086 1086  **Dimension and weight**:
1087 1087  
... ... @@ -1090,9 +1090,7 @@
1090 1090  * Package Size / pcs : cm
1091 1091  * Weight / pcs : g
1092 1092  
1301 += 11.  ​Support =
1093 1093  
1094 -
1095 -= 8.  ​Support =
1096 -
1097 1097  * 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.
1098 1098  * 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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