Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 143.4 >
edited by Xiaoling
on 2022/06/10 17:25
To version < 147.8 >
edited by Xiaoling
on 2022/06/10 17:44
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -57,8 +57,6 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 -
61 -
62 62  == 1.3  Specification ==
63 63  
64 64  === 1.3.1  Rated environmental conditions ===
... ... @@ -99,8 +99,6 @@
99 99  * Sewer
100 100  * Bottom water level monitoring
101 101  
102 -
103 -
104 104  == 1.6  Pin mapping and power on ==
105 105  
106 106  
... ... @@ -241,8 +241,6 @@
241 241  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
242 242  * 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.
243 243  
244 -
245 -
246 246  === 2.3.3  Interrupt Pin ===
247 247  
248 248  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.
... ... @@ -812,8 +812,6 @@
812 812  * Solid ON for 5 seconds once device successful Join the network.
813 813  * Blink once when device transmit a packet.
814 814  
815 -
816 -
817 817  == 2.8  ​Firmware Change Log ==
818 818  
819 819  
... ... @@ -832,7 +832,7 @@
832 832  [[image:image-20220610172003-2.png]]
833 833  
834 834  
835 -== 2.10  Battery Analysis  ==
827 +== 2.10  Battery Analysis ==
836 836  
837 837  === 2.10.1  Battery Type ===
838 838  
... ... @@ -857,80 +857,27 @@
857 857  
858 858  === 2.10.2  Replace the battery ===
859 859  
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 -
863 -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)
864 -
865 -
866 -
867 -= 3.  LiDAR ToF Measurement =
868 -
869 -== 3.1 Principle of Distance Measurement ==
870 -
871 -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.
872 -
873 -[[image:1654831757579-263.png]]
874 -
875 -
876 -
877 -== 3.2 Distance Measurement Characteristics ==
878 -
879 -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:
880 -
881 -[[image:1654831774373-275.png]]
882 -
883 -
884 884  (((
885 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
853 +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.
886 886  )))
887 887  
888 888  (((
889 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
857 +
890 890  )))
891 891  
892 892  (((
893 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
861 +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)
894 894  )))
895 895  
896 896  
897 -(((
898 -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:
899 -)))
900 900  
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
901 901  
902 -[[image:1654831797521-720.png]]
903 -
904 -
905 905  (((
906 -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.
907 -)))
908 -
909 -[[image:1654831810009-716.png]]
910 -
911 -
912 912  (((
913 -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.
870 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
914 914  )))
915 -
916 -
917 -
918 -== 3.3 Notice of usage: ==
919 -
920 -Possible invalid /wrong reading for LiDAR ToF tech:
921 -
922 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
923 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
924 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
925 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
926 -
927 -= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
928 -
929 -(((
930 -(((
931 -Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
932 932  )))
933 -)))
934 934  
935 935  * (((
936 936  (((
... ... @@ -949,7 +949,7 @@
949 949  )))
950 950  
951 951  (((
952 -There are two kinds of commands to configure LLDS12, they are:
891 +There are two kinds of commands to configure LDDS75, they are:
953 953  )))
954 954  )))
955 955  
... ... @@ -990,252 +990,87 @@
990 990  
991 991  * (((
992 992  (((
993 -(% style="color:#4f81bd" %)** Commands special design for LLDS12**
932 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
994 994  )))
995 995  )))
996 996  
997 997  (((
998 998  (((
999 -These commands only valid for LLDS12, as below:
938 +These commands only valid for LDDS75, as below:
1000 1000  )))
1001 1001  )))
1002 1002  
1003 1003  
1004 1004  
1005 -== 4.1  Set Transmit Interval Time ==
944 +== 3.1  Access AT Commands ==
1006 1006  
1007 -Feature: Change LoRaWAN End Node Transmit Interval.
946 +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.
1008 1008  
1009 -(% style="color:#037691" %)**AT Command: AT+TDC**
948 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1010 1010  
1011 -[[image:image-20220607171554-8.png]]
1012 1012  
951 +Or if you have below board, use below connection:
1013 1013  
1014 -(((
1015 -(% style="color:#037691" %)**Downlink Command: 0x01**
1016 -)))
1017 1017  
1018 -(((
1019 -Format: Command Code (0x01) followed by 3 bytes time value.
1020 -)))
954 +[[image:image-20220610172924-5.png]]
1021 1021  
1022 -(((
1023 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1024 -)))
1025 1025  
1026 -* (((
1027 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1028 -)))
1029 -* (((
1030 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1031 -)))
957 +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:
1032 1032  
1033 -== 4.2  Set Interrupt Mode ==
1034 1034  
1035 -Feature, Set Interrupt mode for GPIO_EXIT.
960 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1036 1036  
1037 -(% style="color:#037691" %)**AT Command: AT+INTMOD**
1038 1038  
1039 -[[image:image-20220610105806-2.png]]
1040 1040  
964 +== 3.2  Set Transmit Interval Time ==
1041 1041  
1042 -(((
1043 -(% style="color:#037691" %)**Downlink Command: 0x06**
1044 -)))
966 +Feature: Change LoRaWAN End Node Transmit Interval.
1045 1045  
1046 -(((
1047 -Format: Command Code (0x06) followed by 3 bytes.
1048 -)))
968 +(% style="color:#037691" %)**AT Command: AT+TDC**
1049 1049  
1050 -(((
1051 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1052 -)))
970 +[[image:image-20220610173409-7.png]]
1053 1053  
1054 -* (((
1055 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1056 -)))
1057 -* (((
1058 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1059 -)))
1060 1060  
1061 -== 4.3  Get Firmware Version Info ==
1062 -
1063 -Feature: use downlink to get firmware version.
1064 -
1065 -(% style="color:#037691" %)**Downlink Command: 0x26**
1066 -
1067 -[[image:image-20220607171917-10.png]]
1068 -
1069 -* Reply to the confirmation package: 26 01
1070 -* Reply to non-confirmed packet: 26 00
1071 -
1072 -Device will send an uplink after got this downlink command. With below payload:
1073 -
1074 -Configures info payload:
1075 -
1076 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1077 -|=(((
1078 -**Size(bytes)**
1079 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1080 -|**Value**|Software Type|(((
1081 -Frequency
1082 -
1083 -Band
1084 -)))|Sub-band|(((
1085 -Firmware
1086 -
1087 -Version
1088 -)))|Sensor Type|Reserve|(((
1089 -[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1090 -Always 0x02
1091 -)))
1092 -
1093 -**Software Type**: Always 0x03 for LLDS12
1094 -
1095 -
1096 -**Frequency Band**:
1097 -
1098 -*0x01: EU868
1099 -
1100 -*0x02: US915
1101 -
1102 -*0x03: IN865
1103 -
1104 -*0x04: AU915
1105 -
1106 -*0x05: KZ865
1107 -
1108 -*0x06: RU864
1109 -
1110 -*0x07: AS923
1111 -
1112 -*0x08: AS923-1
1113 -
1114 -*0x09: AS923-2
1115 -
1116 -*0xa0: AS923-3
1117 -
1118 -
1119 -**Sub-Band**: value 0x00 ~~ 0x08
1120 -
1121 -
1122 -**Firmware Version**: 0x0100, Means: v1.0.0 version
1123 -
1124 -
1125 -**Sensor Type**:
1126 -
1127 -0x01: LSE01
1128 -
1129 -0x02: LDDS75
1130 -
1131 -0x03: LDDS20
1132 -
1133 -0x04: LLMS01
1134 -
1135 -0x05: LSPH01
1136 -
1137 -0x06: LSNPK01
1138 -
1139 -0x07: LLDS12
1140 -
1141 -
1142 -
1143 -= 5.  Battery & How to replace =
1144 -
1145 -== 5.1  Battery Type ==
1146 -
1147 1147  (((
1148 -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.
974 +(% style="color:#037691" %)**Downlink Command: 0x01**
1149 1149  )))
1150 1150  
1151 1151  (((
1152 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1153 -)))
1154 -
1155 -[[image:1654593587246-335.png]]
1156 -
1157 -
1158 -Minimum Working Voltage for the LLDS12:
1159 -
1160 -LLDS12:  2.45v ~~ 3.6v
1161 -
1162 -
1163 -
1164 -== 5.2  Replace Battery ==
1165 -
1166 1166  (((
1167 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1168 -)))
979 +Format: Command Code (0x01) followed by 3 bytes time value.
1169 1169  
1170 -(((
1171 -And make sure the positive and negative pins match.
1172 -)))
981 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1173 1173  
1174 -
1175 -
1176 -== 5.3  Power Consumption Analyze ==
1177 -
1178 -(((
1179 -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.
983 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
984 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1180 1180  )))
1181 1181  
1182 -(((
1183 -Instruction to use as below:
1184 -)))
1185 1185  
1186 -
1187 -**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1188 -
1189 -[[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/]]
1190 -
1191 -
1192 -**Step 2**: Open it and choose
1193 -
1194 -* Product Model
1195 -* Uplink Interval
1196 -* Working Mode
1197 -
1198 -And the Life expectation in difference case will be shown on the right.
1199 -
1200 -[[image:1654593605679-189.png]]
1201 -
1202 -
1203 -The battery related documents as below:
1204 -
1205 -* (((
1206 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
988 +
1207 1207  )))
1208 -* (((
1209 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1210 -)))
1211 -* (((
1212 -[[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]]
1213 -)))
1214 1214  
1215 -[[image:image-20220607172042-11.png]]
991 +== 3.3  Set Interrupt Mode ==
1216 1216  
993 +Feature, Set Interrupt mode for GPIO_EXIT.
1217 1217  
995 +(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1218 1218  
1219 -=== 5.3.1  ​Battery Note ===
997 +[[image:image-20220610105907-1.png]]
1220 1220  
1221 -(((
1222 -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.
1223 -)))
1224 1224  
1000 +(% style="color:#037691" %)**Downlink Command: 0x06**
1225 1225  
1002 +Format: Command Code (0x06) followed by 3 bytes.
1226 1226  
1227 -=== ​5.3.2  Replace the battery ===
1004 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1228 1228  
1229 -(((
1230 -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.
1231 -)))
1006 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1007 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1232 1232  
1233 -(((
1234 -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)
1235 -)))
1236 1236  
1237 1237  
1238 1238  
1012 +
1239 1239  = 6.  Use AT Command =
1240 1240  
1241 1241  == 6.1  Access AT Commands ==
... ... @@ -1312,7 +1312,7 @@
1312 1312  
1313 1313  
1314 1314  
1315 -= 9.  Order Info =
1089 += 6.  Order Info =
1316 1316  
1317 1317  
1318 1318  Part Number: (% style="color:blue" %)**LLDS12-XX**
... ... @@ -1329,12 +1329,19 @@
1329 1329  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1330 1330  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1331 1331  
1332 -= 10. ​ Packing Info =
1106 +**YY**: Battery Option
1333 1333  
1108 +* **4**: 4000mAh battery
1109 +* **8**: 8500mAh battery
1334 1334  
1111 +
1112 +
1113 += 7. ​ Packing Info =
1114 +
1115 +
1335 1335  **Package Includes**:
1336 1336  
1337 -* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1118 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
1338 1338  
1339 1339  **Dimension and weight**:
1340 1340  
... ... @@ -1343,7 +1343,9 @@
1343 1343  * Package Size / pcs : cm
1344 1344  * Weight / pcs : g
1345 1345  
1346 -= 11.  ​Support =
1347 1347  
1128 +
1129 += 8.  ​Support =
1130 +
1348 1348  * 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.
1349 1349  * 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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