Skip to Content
Last modified by Xiaoling on 2025/04/27 16:45
From version 150.47
edited by Xiaoling
on 2022/06/11 09:17
Change comment: There is no comment for this version
To version 145.1
edited by Xiaoling
on 2022/06/10 17:29
Change comment: Uploaded new attachment "image-20220610172924-5.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  
... ... @@ -282,9 +282,11 @@
282 282  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
283 283  * 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.
284 284  
244 +
245 +
285 285  === 2.3.3  Interrupt Pin ===
286 286  
287 -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.
288 288  
289 289  **Example:**
290 290  
... ... @@ -315,9 +315,9 @@
315 315  0x00: No Ultrasonic Sensor
316 316  
317 317  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
318 318  
319 -=== 2.3.6  Decode payload in The Things Network ===
320 -
321 321  While using TTN network, you can add the payload format to decode the payload.
322 322  
323 323  
... ... @@ -851,6 +851,8 @@
851 851  * Solid ON for 5 seconds once device successful Join the network.
852 852  * Blink once when device transmit a packet.
853 853  
815 +
816 +
854 854  == 2.8  ​Firmware Change Log ==
855 855  
856 856  
... ... @@ -866,13 +866,11 @@
866 866  
867 867  [[image:image-20220610172003-1.png]]
868 868  
869 -
870 870  [[image:image-20220610172003-2.png]]
871 871  
872 872  
835 +== 2.10  Battery Analysis  ==
873 873  
874 -== 2.10  Battery Analysis ==
875 -
876 876  === 2.10.1  Battery Type ===
877 877  
878 878  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.
... ... @@ -881,7 +881,7 @@
881 881  The battery related documents as below:
882 882  
883 883  * (((
884 -[[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]],
885 885  )))
886 886  * (((
887 887  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -897,7 +897,7 @@
897 897  === 2.10.2  Replace the battery ===
898 898  
899 899  (((
900 -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.
901 901  )))
902 902  
903 903  (((
... ... @@ -905,22 +905,22 @@
905 905  )))
906 906  
907 907  (((
908 -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)
909 909  )))
910 910  
911 911  
912 912  
913 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
914 914  
915 915  (((
916 916  (((
917 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
918 918  )))
919 919  )))
920 920  
921 921  * (((
922 922  (((
923 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
924 924  )))
925 925  )))
926 926  * (((
... ... @@ -935,7 +935,7 @@
935 935  )))
936 936  
937 937  (((
938 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
939 939  )))
940 940  )))
941 941  
... ... @@ -976,148 +976,351 @@
976 976  
977 977  * (((
978 978  (((
979 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
980 980  )))
981 981  )))
982 982  
983 983  (((
984 984  (((
985 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
986 986  )))
987 987  )))
988 988  
989 989  
990 990  
991 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
992 992  
993 -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.
994 994  
995 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
996 996  
958 +[[image:image-20220607171554-8.png]]
997 997  
998 -Or if you have below board, use below connection:
999 999  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
1000 1000  
1001 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
1002 1002  
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 +)))
1003 1003  
1004 -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 +)))
1005 1005  
980 +== 4.2  Set Interrupt Mode ==
1006 1006  
1007 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
1008 1008  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
1009 1009  
986 +[[image:image-20220610105806-2.png]]
1010 1010  
1011 -== 3.2  Set Transmit Interval Time ==
1012 1012  
1013 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1014 1014  
1015 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1016 1016  
1017 -[[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 +)))
1018 1018  
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 +)))
1019 1019  
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 +
1020 1020  (((
1021 -(% 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.
1022 1022  )))
1023 1023  
1024 1024  (((
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 +
1025 1025  (((
1026 -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 +)))
1027 1027  
1028 -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 +)))
1029 1029  
1030 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1031 -* 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.
1032 1032  )))
1033 1033  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1034 1034  
1035 -
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]],
1036 1036  )))
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 +)))
1037 1037  
1038 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1039 1039  
1040 -Feature, Set Interrupt mode for GPIO_EXIT.
1041 1041  
1042 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1043 1043  
1044 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1045 1045  
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 +)))
1046 1046  
1047 -(% style="color:#037691" %)**Downlink Command: 0x06**
1048 1048  
1049 -Format: Command Code (0x06) followed by 3 bytes.
1050 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.
1174 +=== ​5.3.2  Replace the battery ===
1052 1052  
1053 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1054 -* 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 +)))
1055 1055  
1056 -= 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 +)))
1057 1057  
1058 -== 4.1  What is the frequency plan for LDDS75? ==
1059 1059  
1060 -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"]]
1061 1061  
1186 += 6.  Use AT Command =
1062 1062  
1188 +== 6.1  Access AT Commands ==
1063 1063  
1064 -== 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.
1065 1065  
1066 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1067 -When downloading the images, choose the required image file for download. ​
1192 +[[image:1654593668970-604.png]]
1068 1068  
1194 +**Connection:**
1069 1069  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1070 1070  
1071 -== 4.3  Can I use LDDS75 in condensation environment? ==
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1072 1072  
1073 -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**
1074 1074  
1075 1075  
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 +)))
1076 1076  
1077 -= 5.  Trouble Shooting =
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1078 1078  
1079 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1080 1080  
1081 -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]]
1082 1082  
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1083 1083  
1084 -== 5.2  AT Command input doesn't work ==
1085 1085  
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 +(((
1086 1086  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 +)))
1087 1087  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1088 1088  (((
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 +(((
1089 1089  
1090 1090  )))
1091 1091  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1092 1092  
1093 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1094 1094  
1095 1095  
1096 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1097 1097  
1262 += 9.  Order Info =
1098 1098  
1099 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1100 1100  
1101 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1102 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1103 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1104 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1105 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1106 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1107 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1108 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1109 1109  
1110 -(% style="color:blue" %)**YY**(%%): Battery Option
1111 1111  
1112 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1113 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1114 1114  
1115 -= 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
1116 1116  
1279 += 10. ​ Packing Info =
1117 1117  
1281 +
1118 1118  **Package Includes**:
1119 1119  
1120 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1121 1121  
1122 1122  **Dimension and weight**:
1123 1123  
... ... @@ -1126,7 +1126,7 @@
1126 1126  * Package Size / pcs : cm
1127 1127  * Weight / pcs : g
1128 1128  
1129 -= 8.  ​Support =
1293 += 11.  ​Support =
1130 1130  
1131 1131  * 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.
1132 1132  * 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]].
image-20220610172924-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -68.6 KB
Content
image-20220610173409-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -11.8 KB
Content
image-20220610174836-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.3 KB
Content
image-20220610174917-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -34.3 KB
Content