Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 140.6 >
edited by Xiaoling
on 2022/06/10 17:12
To version < 149.2 >
edited by Xiaoling
on 2022/06/10 17:49
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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.
... ... @@ -538,7 +538,6 @@
538 538  
539 539  
540 540  
541 -
542 542  === 2.6.4  AU915-928(AU915) ===
543 543  
544 544  (((
... ... @@ -695,7 +695,6 @@
695 695  
696 696  
697 697  
698 -
699 699  === 2.6.6  KR920-923 (KR920) ===
700 700  
701 701  (((
... ... @@ -768,7 +768,6 @@
768 768  
769 769  
770 770  
771 -
772 772  === 2.6.7  IN865-867 (IN865) ===
773 773  
774 774  (((
... ... @@ -805,18 +805,20 @@
805 805  
806 806  
807 807  
808 -
809 809  == 2.7  LED Indicator ==
810 810  
811 -The LLDS12 has an internal LED which is to show the status of different state.
801 +The LDDS75 has an internal LED which is to show the status of different state.
812 812  
813 -* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
803 +
804 +* Blink once when device power on.
805 +* The device detects the sensor and flashes 5 times.
806 +* Solid ON for 5 seconds once device successful Join the network.
814 814  * Blink once when device transmit a packet.
815 815  
816 816  == 2.8  ​Firmware Change Log ==
817 817  
818 818  
819 -**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/]]
812 +**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/]]
820 820  
821 821  
822 822  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -823,71 +823,58 @@
823 823  
824 824  
825 825  
826 -= 3.  LiDAR ToF Measurement =
819 +== 2.9  Mechanical ==
827 827  
828 -== 3.1 Principle of Distance Measurement ==
829 829  
830 -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.
822 +[[image:image-20220610172003-1.png]]
831 831  
832 -[[image:1654831757579-263.png]]
824 +[[image:image-20220610172003-2.png]]
833 833  
834 834  
827 +== 2.10  Battery Analysis ==
835 835  
836 -== 3.2 Distance Measurement Characteristics ==
829 +=== 2.10.1  Battery Type ===
837 837  
838 -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:
831 +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  
840 -[[image:1654831774373-275.png]]
841 841  
834 +The battery related documents as below:
842 842  
843 -(((
844 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
836 +* (((
837 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
845 845  )))
846 -
847 -(((
848 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
839 +* (((
840 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
849 849  )))
850 -
851 -(((
852 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
842 +* (((
843 +[[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]]
853 853  )))
854 854  
846 + [[image:image-20220610172400-3.png]]
855 855  
856 -(((
857 -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:
858 -)))
859 859  
860 860  
861 -[[image:1654831797521-720.png]]
850 +=== 2.10.2  Replace the battery ===
862 862  
852 +(((
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.
854 +)))
863 863  
864 864  (((
865 -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.
857 +
866 866  )))
867 867  
868 -[[image:1654831810009-716.png]]
869 -
870 -
871 871  (((
872 -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.
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)
873 873  )))
874 874  
875 875  
876 876  
877 -== 3.3 Notice of usage: ==
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
878 878  
879 -Possible invalid /wrong reading for LiDAR ToF tech:
880 -
881 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
882 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
883 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
884 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
885 -
886 -= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
887 -
888 888  (((
889 889  (((
890 -Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
870 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
891 891  )))
892 892  )))
893 893  
... ... @@ -908,7 +908,7 @@
908 908  )))
909 909  
910 910  (((
911 -There are two kinds of commands to configure LLDS12, they are:
891 +There are two kinds of commands to configure LDDS75, they are:
912 912  )))
913 913  )))
914 914  
... ... @@ -949,296 +949,96 @@
949 949  
950 950  * (((
951 951  (((
952 -(% style="color:#4f81bd" %)** Commands special design for LLDS12**
932 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
953 953  )))
954 954  )))
955 955  
956 956  (((
957 957  (((
958 -These commands only valid for LLDS12, as below:
938 +These commands only valid for LDDS75, as below:
959 959  )))
960 960  )))
961 961  
962 962  
963 963  
964 -== 4.1  Set Transmit Interval Time ==
944 +== 3.1  Access AT Commands ==
965 965  
966 -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.
967 967  
968 -(% style="color:#037691" %)**AT Command: AT+TDC**
948 +[[image:image-20220610172924-4.png||height="483" width="988"]]
969 969  
970 -[[image:image-20220607171554-8.png]]
971 971  
951 +Or if you have below board, use below connection:
972 972  
973 -(((
974 -(% style="color:#037691" %)**Downlink Command: 0x01**
975 -)))
976 976  
977 -(((
978 -Format: Command Code (0x01) followed by 3 bytes time value.
979 -)))
954 +[[image:image-20220610172924-5.png]]
980 980  
981 -(((
982 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
983 -)))
984 984  
985 -* (((
986 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
987 -)))
988 -* (((
989 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
990 -)))
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:
991 991  
992 -== 4.2  Set Interrupt Mode ==
993 993  
994 -Feature, Set Interrupt mode for GPIO_EXIT.
960 + [[image:image-20220610172924-6.png||height="601" width="860"]]
995 995  
996 -(% style="color:#037691" %)**AT Command: AT+INTMOD**
997 997  
998 -[[image:image-20220610105806-2.png]]
999 999  
964 +== 3.2  Set Transmit Interval Time ==
1000 1000  
1001 -(((
1002 -(% style="color:#037691" %)**Downlink Command: 0x06**
1003 -)))
966 +Feature: Change LoRaWAN End Node Transmit Interval.
1004 1004  
1005 -(((
1006 -Format: Command Code (0x06) followed by 3 bytes.
1007 -)))
968 +(% style="color:#037691" %)**AT Command: AT+TDC**
1008 1008  
1009 -(((
1010 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1011 -)))
970 +[[image:image-20220610173409-7.png]]
1012 1012  
1013 -* (((
1014 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1015 -)))
1016 -* (((
1017 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1018 -)))
1019 1019  
1020 -== 4.3  Get Firmware Version Info ==
1021 -
1022 -Feature: use downlink to get firmware version.
1023 -
1024 -(% style="color:#037691" %)**Downlink Command: 0x26**
1025 -
1026 -[[image:image-20220607171917-10.png]]
1027 -
1028 -* Reply to the confirmation package: 26 01
1029 -* Reply to non-confirmed packet: 26 00
1030 -
1031 -Device will send an uplink after got this downlink command. With below payload:
1032 -
1033 -Configures info payload:
1034 -
1035 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1036 -|=(((
1037 -**Size(bytes)**
1038 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1039 -|**Value**|Software Type|(((
1040 -Frequency
1041 -
1042 -Band
1043 -)))|Sub-band|(((
1044 -Firmware
1045 -
1046 -Version
1047 -)))|Sensor Type|Reserve|(((
1048 -[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1049 -Always 0x02
1050 -)))
1051 -
1052 -**Software Type**: Always 0x03 for LLDS12
1053 -
1054 -
1055 -**Frequency Band**:
1056 -
1057 -*0x01: EU868
1058 -
1059 -*0x02: US915
1060 -
1061 -*0x03: IN865
1062 -
1063 -*0x04: AU915
1064 -
1065 -*0x05: KZ865
1066 -
1067 -*0x06: RU864
1068 -
1069 -*0x07: AS923
1070 -
1071 -*0x08: AS923-1
1072 -
1073 -*0x09: AS923-2
1074 -
1075 -*0xa0: AS923-3
1076 -
1077 -
1078 -**Sub-Band**: value 0x00 ~~ 0x08
1079 -
1080 -
1081 -**Firmware Version**: 0x0100, Means: v1.0.0 version
1082 -
1083 -
1084 -**Sensor Type**:
1085 -
1086 -0x01: LSE01
1087 -
1088 -0x02: LDDS75
1089 -
1090 -0x03: LDDS20
1091 -
1092 -0x04: LLMS01
1093 -
1094 -0x05: LSPH01
1095 -
1096 -0x06: LSNPK01
1097 -
1098 -0x07: LLDS12
1099 -
1100 -
1101 -
1102 -= 5.  Battery & How to replace =
1103 -
1104 -== 5.1  Battery Type ==
1105 -
1106 1106  (((
1107 -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**
1108 1108  )))
1109 1109  
1110 1110  (((
1111 -The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1112 -)))
1113 -
1114 -[[image:1654593587246-335.png]]
1115 -
1116 -
1117 -Minimum Working Voltage for the LLDS12:
1118 -
1119 -LLDS12:  2.45v ~~ 3.6v
1120 -
1121 -
1122 -
1123 -== 5.2  Replace Battery ==
1124 -
1125 1125  (((
1126 -Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1127 -)))
979 +Format: Command Code (0x01) followed by 3 bytes time value.
1128 1128  
1129 -(((
1130 -And make sure the positive and negative pins match.
1131 -)))
981 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1132 1132  
1133 -
1134 -
1135 -== 5.3  Power Consumption Analyze ==
1136 -
1137 -(((
1138 -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
1139 1139  )))
1140 1140  
1141 -(((
1142 -Instruction to use as below:
1143 -)))
1144 1144  
1145 -
1146 -**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1147 -
1148 -[[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/]]
1149 -
1150 -
1151 -**Step 2**: Open it and choose
1152 -
1153 -* Product Model
1154 -* Uplink Interval
1155 -* Working Mode
1156 -
1157 -And the Life expectation in difference case will be shown on the right.
1158 -
1159 -[[image:1654593605679-189.png]]
1160 -
1161 -
1162 -The battery related documents as below:
1163 -
1164 -* (((
1165 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
988 +
1166 1166  )))
1167 -* (((
1168 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1169 -)))
1170 -* (((
1171 -[[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]]
1172 -)))
1173 1173  
1174 -[[image:image-20220607172042-11.png]]
991 +== 3.3  Set Interrupt Mode ==
1175 1175  
993 +Feature, Set Interrupt mode for GPIO_EXIT.
1176 1176  
995 +(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1177 1177  
1178 -=== 5.3.1  ​Battery Note ===
997 +[[image:image-20220610174917-9.png]]
1179 1179  
1180 -(((
1181 -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.
1182 -)))
1183 1183  
1000 +(% style="color:#037691" %)**Downlink Command: 0x06**
1184 1184  
1002 +Format: Command Code (0x06) followed by 3 bytes.
1185 1185  
1186 -=== ​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.
1187 1187  
1188 -(((
1189 -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.
1190 -)))
1006 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1007 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1191 1191  
1192 -(((
1193 -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)
1194 -)))
1195 1195  
1196 1196  
1011 += 4.  FAQ =
1197 1197  
1198 -= 6.  Use AT Command =
1013 +== 4.1  How to change the LoRa Frequency Bands/Region ==
1199 1199  
1200 -== 6.1  Access AT Commands ==
1201 -
1202 -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.
1203 -
1204 -[[image:1654593668970-604.png]]
1205 -
1206 -**Connection:**
1207 -
1208 -(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1209 -
1210 -(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1211 -
1212 -(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1213 -
1214 -
1215 -(((
1216 -(((
1217 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1218 -)))
1219 -
1220 -(((
1221 -LLDS12 will output system info once power on as below:
1222 -)))
1223 -)))
1224 -
1225 -
1226 - [[image:1654593712276-618.png]]
1227 -
1228 -Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1229 -
1230 -
1231 -= 7.  FAQ =
1232 -
1233 -== 7.1  How to change the LoRa Frequency Bands/Region ==
1234 -
1235 1235  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1236 1236  When downloading the images, choose the required image file for download. ​
1237 1237  
1238 1238  
1239 -= 8.  Trouble Shooting =
1019 += 5.  Trouble Shooting =
1240 1240  
1241 -== 8.1  AT Commands input doesn’t work ==
1021 +== 5.1  AT Commands input doesn’t work ==
1242 1242  
1243 1243  
1244 1244  (((
... ... @@ -1246,7 +1246,7 @@
1246 1246  )))
1247 1247  
1248 1248  
1249 -== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1029 +== 5.2  Significant error between the output distant value of LiDAR and actual distance ==
1250 1250  
1251 1251  
1252 1252  (((
... ... @@ -1271,10 +1271,10 @@
1271 1271  
1272 1272  
1273 1273  
1274 -= 9.  Order Info =
1054 += 6.  Order Info =
1275 1275  
1276 1276  
1277 -Part Number: (% style="color:blue" %)**LLDS12-XX**
1057 +Part Number: (% style="color:blue" %)**LDDS75-XX-YY**
1278 1278  
1279 1279  
1280 1280  (% style="color:blue" %)**XX**(%%): The default frequency band
... ... @@ -1288,12 +1288,18 @@
1288 1288  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1289 1289  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1290 1290  
1291 -= 10. ​ Packing Info =
1071 +(% style="color:blue" %)**YY**(%%): Battery Option
1292 1292  
1073 +* (% style="color:red" %)**4**(%%): 4000mAh battery
1074 +* (% style="color:red" %)**8**(%%): 8500mAh battery
1293 1293  
1076 +
1077 += 7. ​ Packing Info =
1078 +
1079 +
1294 1294  **Package Includes**:
1295 1295  
1296 -* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1082 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
1297 1297  
1298 1298  **Dimension and weight**:
1299 1299  
... ... @@ -1302,7 +1302,8 @@
1302 1302  * Package Size / pcs : cm
1303 1303  * Weight / pcs : g
1304 1304  
1305 -= 11.  ​Support =
1306 1306  
1092 += 8.  ​Support =
1093 +
1307 1307  * 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.
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