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Last modified by Xiaoling on 2025/04/27 16:45
From version 150.54
edited by Xiaoling
on 2022/06/11 09:21
Change comment: There is no comment for this version
To version 144.1
edited by Xiaoling
on 2022/06/10 17:29
Change comment: Uploaded new attachment "image-20220610172924-4.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]]
... ... @@ -86,6 +86,8 @@
86 86  * IP66 Waterproof Enclosure
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
60 +
61 +
89 89  == 1.3  Specification ==
90 90  
91 91  === 1.3.1  Rated environmental conditions ===
... ... @@ -92,12 +92,12 @@
92 92  
93 93  [[image:image-20220610154839-1.png]]
94 94  
95 -(((
96 -**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)**
97 -)))
68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
98 98  
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)**
99 99  
100 100  
73 +
101 101  === 1.3.2  Effective measurement range Reference beam pattern ===
102 102  
103 103  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -107,10 +107,7 @@
107 107  [[image:1654852253176-749.png]]
108 108  
109 109  
110 -
111 -(((
112 112  **(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.**
113 -)))
114 114  
115 115  
116 116  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -129,6 +129,8 @@
129 129  * Sewer
130 130  * Bottom water level monitoring
131 131  
102 +
103 +
132 132  == 1.6  Pin mapping and power on ==
133 133  
134 134  
... ... @@ -175,17 +175,11 @@
175 175  [[image:image-20220607170145-1.jpeg]]
176 176  
177 177  
178 -(((
179 179  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
180 -)))
181 181  
182 -(((
183 183  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
184 -)))
185 185  
186 -(((
187 187  **Add APP EUI in the application**
188 -)))
189 189  
190 190  [[image:image-20220610161353-4.png]]
191 191  
... ... @@ -228,15 +228,11 @@
228 228  == 2.3  ​Uplink Payload ==
229 229  
230 230  (((
231 -(((
232 232  LDDS75 will uplink payload via LoRaWAN with below payload format: 
233 -)))
234 234  
235 -(((
236 236  Uplink payload includes in total 4 bytes.
237 237  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
238 238  )))
239 -)))
240 240  
241 241  (((
242 242  
... ... @@ -247,12 +247,12 @@
247 247  **Size (bytes)**
248 248  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
249 249  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
250 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
251 251  
252 252  (unit: mm)
253 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
254 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
255 -)))|[[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]]
256 256  
257 257  [[image:1654850511545-399.png]]
258 258  
... ... @@ -271,13 +271,9 @@
271 271  
272 272  === 2.3.2  Distance ===
273 273  
274 -(((
275 275  Get the distance. Flat object range 280mm - 7500mm.
276 -)))
277 277  
278 -(((
279 279  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.**
280 -)))
281 281  
282 282  
283 283  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -284,9 +284,10 @@
284 284  * 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.
285 285  
286 286  
245 +
287 287  === 2.3.3  Interrupt Pin ===
288 288  
289 -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.
290 290  
291 291  **Example:**
292 292  
... ... @@ -312,18 +312,14 @@
312 312  
313 313  === 2.3.5  Sensor Flag ===
314 314  
315 -(((
316 316  0x01: Detect Ultrasonic Sensor
317 -)))
318 318  
319 -(((
320 320  0x00: No Ultrasonic Sensor
321 -)))
322 322  
323 323  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
324 324  
325 -=== 2.3.6  Decode payload in The Things Network ===
326 -
327 327  While using TTN network, you can add the payload format to decode the payload.
328 328  
329 329  
... ... @@ -331,9 +331,7 @@
331 331  
332 332  The payload decoder function for TTN V3 is here:
333 333  
334 -(((
335 335  LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
336 -)))
337 337  
338 338  
339 339  
... ... @@ -864,17 +864,10 @@
864 864  == 2.8  ​Firmware Change Log ==
865 865  
866 866  
867 -(((
868 868  **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/]]
869 -)))
870 870  
871 -(((
872 -
873 -)))
874 874  
875 -(((
876 876  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
877 -)))
878 878  
879 879  
880 880  
... ... @@ -883,13 +883,11 @@
883 883  
884 884  [[image:image-20220610172003-1.png]]
885 885  
886 -
887 887  [[image:image-20220610172003-2.png]]
888 888  
889 889  
835 +== 2.10  Battery Analysis  ==
890 890  
891 -== 2.10  Battery Analysis ==
892 -
893 893  === 2.10.1  Battery Type ===
894 894  
895 895  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.
... ... @@ -898,7 +898,7 @@
898 898  The battery related documents as below:
899 899  
900 900  * (((
901 -[[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]],
902 902  )))
903 903  * (((
904 904  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -914,7 +914,7 @@
914 914  === 2.10.2  Replace the battery ===
915 915  
916 916  (((
917 -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.
918 918  )))
919 919  
920 920  (((
... ... @@ -922,22 +922,22 @@
922 922  )))
923 923  
924 924  (((
925 -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)
926 926  )))
927 927  
928 928  
929 929  
930 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
931 931  
932 932  (((
933 933  (((
934 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
935 935  )))
936 936  )))
937 937  
938 938  * (((
939 939  (((
940 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
941 941  )))
942 942  )))
943 943  * (((
... ... @@ -952,7 +952,7 @@
952 952  )))
953 953  
954 954  (((
955 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
956 956  )))
957 957  )))
958 958  
... ... @@ -993,148 +993,351 @@
993 993  
994 994  * (((
995 995  (((
996 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
997 997  )))
998 998  )))
999 999  
1000 1000  (((
1001 1001  (((
1002 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
1003 1003  )))
1004 1004  )))
1005 1005  
1006 1006  
1007 1007  
1008 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
1009 1009  
1010 -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.
1011 1011  
1012 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
1013 1013  
958 +[[image:image-20220607171554-8.png]]
1014 1014  
1015 -Or if you have below board, use below connection:
1016 1016  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
1017 1017  
1018 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
1019 1019  
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 +)))
1020 1020  
1021 -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 +)))
1022 1022  
980 +== 4.2  Set Interrupt Mode ==
1023 1023  
1024 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
1025 1025  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
1026 1026  
986 +[[image:image-20220610105806-2.png]]
1027 1027  
1028 -== 3.2  Set Transmit Interval Time ==
1029 1029  
1030 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1031 1031  
1032 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1033 1033  
1034 -[[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 +)))
1035 1035  
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 +)))
1036 1036  
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 +
1037 1037  (((
1038 -(% 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.
1039 1039  )))
1040 1040  
1041 1041  (((
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 +
1042 1042  (((
1043 -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 +)))
1044 1044  
1045 -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 +)))
1046 1046  
1047 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1048 -* 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.
1049 1049  )))
1050 1050  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1051 1051  
1052 -
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]],
1053 1053  )))
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 +)))
1054 1054  
1055 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1056 1056  
1057 -Feature, Set Interrupt mode for GPIO_EXIT.
1058 1058  
1059 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1060 1060  
1061 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1062 1062  
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 +)))
1063 1063  
1064 -(% style="color:#037691" %)**Downlink Command: 0x06**
1065 1065  
1066 -Format: Command Code (0x06) followed by 3 bytes.
1067 1067  
1068 -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 ===
1069 1069  
1070 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1071 -* 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 +)))
1072 1072  
1073 -= 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 +)))
1074 1074  
1075 -== 4.1  What is the frequency plan for LDDS75? ==
1076 1076  
1077 -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"]]
1078 1078  
1186 += 6.  Use AT Command =
1079 1079  
1188 +== 6.1  Access AT Commands ==
1080 1080  
1081 -== 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.
1082 1082  
1083 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1084 -When downloading the images, choose the required image file for download. ​
1192 +[[image:1654593668970-604.png]]
1085 1085  
1194 +**Connection:**
1086 1086  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1087 1087  
1088 -== 4.3  Can I use LDDS75 in condensation environment? ==
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1089 1089  
1090 -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**
1091 1091  
1092 1092  
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 +)))
1093 1093  
1094 -= 5.  Trouble Shooting =
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1095 1095  
1096 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1097 1097  
1098 -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]]
1099 1099  
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1100 1100  
1101 -== 5.2  AT Command input doesn't work ==
1102 1102  
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 +(((
1103 1103  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 +)))
1104 1104  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1105 1105  (((
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 +(((
1106 1106  
1107 1107  )))
1108 1108  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1109 1109  
1110 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1111 1111  
1112 1112  
1113 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1114 1114  
1262 += 9.  Order Info =
1115 1115  
1116 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1117 1117  
1118 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1119 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1120 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1121 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1122 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1123 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1124 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1125 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1126 1126  
1127 -(% style="color:blue" %)**YY**(%%): Battery Option
1128 1128  
1129 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1130 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1131 1131  
1132 -= 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
1133 1133  
1279 += 10. ​ Packing Info =
1134 1134  
1281 +
1135 1135  **Package Includes**:
1136 1136  
1137 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1138 1138  
1139 1139  **Dimension and weight**:
1140 1140  
... ... @@ -1143,7 +1143,7 @@
1143 1143  * Package Size / pcs : cm
1144 1144  * Weight / pcs : g
1145 1145  
1146 -= 8.  ​Support =
1293 += 11.  ​Support =
1147 1147  
1148 1148  * 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.
1149 1149  * 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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