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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.48
edited by Xiaoling
on 2022/06/11 09:18
Change comment: There is no comment for this version
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]]
... ... @@ -87,6 +87,7 @@
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
89 89  
61 +
90 90  == 1.3  Specification ==
91 91  
92 92  === 1.3.1  Rated environmental conditions ===
... ... @@ -93,12 +93,12 @@
93 93  
94 94  [[image:image-20220610154839-1.png]]
95 95  
96 -(((
97 -**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)**
98 -)))
68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
99 99  
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)**
100 100  
101 101  
73 +
102 102  === 1.3.2  Effective measurement range Reference beam pattern ===
103 103  
104 104  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -108,10 +108,7 @@
108 108  [[image:1654852253176-749.png]]
109 109  
110 110  
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 -)))
115 115  
116 116  
117 117  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -178,17 +178,11 @@
178 178  [[image:image-20220607170145-1.jpeg]]
179 179  
180 180  
181 -(((
182 182  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
183 -)))
184 184  
185 -(((
186 186  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
187 -)))
188 188  
189 -(((
190 190  **Add APP EUI in the application**
191 -)))
192 192  
193 193  [[image:image-20220610161353-4.png]]
194 194  
... ... @@ -231,15 +231,11 @@
231 231  == 2.3  ​Uplink Payload ==
232 232  
233 233  (((
234 -(((
235 235  LDDS75 will uplink payload via LoRaWAN with below payload format: 
236 -)))
237 237  
238 -(((
239 239  Uplink payload includes in total 4 bytes.
240 240  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
241 241  )))
242 -)))
243 243  
244 244  (((
245 245  
... ... @@ -250,12 +250,12 @@
250 250  **Size (bytes)**
251 251  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
252 252  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
253 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
254 254  
255 255  (unit: mm)
256 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
257 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
258 -)))|[[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]]
259 259  
260 260  [[image:1654850511545-399.png]]
261 261  
... ... @@ -274,21 +274,19 @@
274 274  
275 275  === 2.3.2  Distance ===
276 276  
277 -(((
278 278  Get the distance. Flat object range 280mm - 7500mm.
279 -)))
280 280  
281 -(((
282 282  For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
283 -)))
284 284  
285 285  
286 286  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
287 287  * 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.
288 288  
244 +
245 +
289 289  === 2.3.3  Interrupt Pin ===
290 290  
291 -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.
292 292  
293 293  **Example:**
294 294  
... ... @@ -319,9 +319,9 @@
319 319  0x00: No Ultrasonic Sensor
320 320  
321 321  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
322 322  
323 -=== 2.3.6  Decode payload in The Things Network ===
324 -
325 325  While using TTN network, you can add the payload format to decode the payload.
326 326  
327 327  
... ... @@ -855,6 +855,8 @@
855 855  * Solid ON for 5 seconds once device successful Join the network.
856 856  * Blink once when device transmit a packet.
857 857  
815 +
816 +
858 858  == 2.8  ​Firmware Change Log ==
859 859  
860 860  
... ... @@ -870,13 +870,11 @@
870 870  
871 871  [[image:image-20220610172003-1.png]]
872 872  
873 -
874 874  [[image:image-20220610172003-2.png]]
875 875  
876 876  
835 +== 2.10  Battery Analysis  ==
877 877  
878 -== 2.10  Battery Analysis ==
879 -
880 880  === 2.10.1  Battery Type ===
881 881  
882 882  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.
... ... @@ -885,7 +885,7 @@
885 885  The battery related documents as below:
886 886  
887 887  * (((
888 -[[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]],
889 889  )))
890 890  * (((
891 891  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -901,7 +901,7 @@
901 901  === 2.10.2  Replace the battery ===
902 902  
903 903  (((
904 -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.
905 905  )))
906 906  
907 907  (((
... ... @@ -909,22 +909,22 @@
909 909  )))
910 910  
911 911  (((
912 -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)
913 913  )))
914 914  
915 915  
916 916  
917 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
918 918  
919 919  (((
920 920  (((
921 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
922 922  )))
923 923  )))
924 924  
925 925  * (((
926 926  (((
927 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
928 928  )))
929 929  )))
930 930  * (((
... ... @@ -939,7 +939,7 @@
939 939  )))
940 940  
941 941  (((
942 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
943 943  )))
944 944  )))
945 945  
... ... @@ -980,148 +980,351 @@
980 980  
981 981  * (((
982 982  (((
983 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
984 984  )))
985 985  )))
986 986  
987 987  (((
988 988  (((
989 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
990 990  )))
991 991  )))
992 992  
993 993  
994 994  
995 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
996 996  
997 -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.
998 998  
999 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
1000 1000  
958 +[[image:image-20220607171554-8.png]]
1001 1001  
1002 -Or if you have below board, use below connection:
1003 1003  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
1004 1004  
1005 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
1006 1006  
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 +)))
1007 1007  
1008 -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 +)))
1009 1009  
980 +== 4.2  Set Interrupt Mode ==
1010 1010  
1011 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
1012 1012  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
1013 1013  
986 +[[image:image-20220610105806-2.png]]
1014 1014  
1015 -== 3.2  Set Transmit Interval Time ==
1016 1016  
1017 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1018 1018  
1019 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1020 1020  
1021 -[[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 +)))
1022 1022  
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 +)))
1023 1023  
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 +
1024 1024  (((
1025 -(% 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.
1026 1026  )))
1027 1027  
1028 1028  (((
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 +
1029 1029  (((
1030 -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 +)))
1031 1031  
1032 -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 +)))
1033 1033  
1034 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1035 -* 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.
1036 1036  )))
1037 1037  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1038 1038  
1039 -
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]],
1040 1040  )))
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 +)))
1041 1041  
1042 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1043 1043  
1044 -Feature, Set Interrupt mode for GPIO_EXIT.
1045 1045  
1046 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1047 1047  
1048 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1049 1049  
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 +)))
1050 1050  
1051 -(% style="color:#037691" %)**Downlink Command: 0x06**
1052 1052  
1053 -Format: Command Code (0x06) followed by 3 bytes.
1054 1054  
1055 -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 ===
1056 1056  
1057 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1058 -* 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 +)))
1059 1059  
1060 -= 4.  FAQ =
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 +)))
1061 1061  
1062 -== 4.1  What is the frequency plan for LDDS75? ==
1063 1063  
1064 -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"]]
1065 1065  
1186 += 6.  Use AT Command =
1066 1066  
1188 +== 6.1  Access AT Commands ==
1067 1067  
1068 -== 4.2  How to change the LoRa Frequency Bands/Region ==
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.
1069 1069  
1070 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1071 -When downloading the images, choose the required image file for download. ​
1192 +[[image:1654593668970-604.png]]
1072 1072  
1194 +**Connection:**
1073 1073  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1074 1074  
1075 -== 4.3  Can I use LDDS75 in condensation environment? ==
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1076 1076  
1077 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1200 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1078 1078  
1079 1079  
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 +)))
1080 1080  
1081 -= 5.  Trouble Shooting =
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1082 1082  
1083 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1084 1084  
1085 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1214 + [[image:1654593712276-618.png]]
1086 1086  
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1087 1087  
1088 -== 5.2  AT Command input doesn't work ==
1089 1089  
1219 += 7.  FAQ =
1220 +
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 +(((
1090 1090  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 +)))
1091 1091  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1092 1092  (((
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 +(((
1093 1093  
1094 1094  )))
1095 1095  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1096 1096  
1097 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1098 1098  
1099 1099  
1100 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1101 1101  
1262 += 9.  Order Info =
1102 1102  
1103 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1104 1104  
1105 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1106 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1107 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1108 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1109 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1110 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1111 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1112 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1113 1113  
1114 -(% style="color:blue" %)**YY**(%%): Battery Option
1115 1115  
1116 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1117 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1118 1118  
1119 -= 7. ​ Packing Info =
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
1120 1120  
1279 += 10. ​ Packing Info =
1121 1121  
1281 +
1122 1122  **Package Includes**:
1123 1123  
1124 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1125 1125  
1126 1126  **Dimension and weight**:
1127 1127  
... ... @@ -1130,7 +1130,7 @@
1130 1130  * Package Size / pcs : cm
1131 1131  * Weight / pcs : g
1132 1132  
1133 -= 8.  ​Support =
1293 += 11.  ​Support =
1134 1134  
1135 1135  * 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.
1136 1136  * 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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