Last modified by Xiaoling on 2025/04/27 16:45

From version 150.51
edited by Xiaoling
on 2022/06/11 09:19
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]]
... ... @@ -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" %) ** **
... ... @@ -130,6 +130,7 @@
130 130  * Bottom water level monitoring
131 131  
132 132  
103 +
133 133  == 1.6  Pin mapping and power on ==
134 134  
135 135  
... ... @@ -176,17 +176,11 @@
176 176  [[image:image-20220607170145-1.jpeg]]
177 177  
178 178  
179 -(((
180 180  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
181 -)))
182 182  
183 -(((
184 184  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
185 -)))
186 186  
187 -(((
188 188  **Add APP EUI in the application**
189 -)))
190 190  
191 191  [[image:image-20220610161353-4.png]]
192 192  
... ... @@ -229,15 +229,11 @@
229 229  == 2.3  ​Uplink Payload ==
230 230  
231 231  (((
232 -(((
233 233  LDDS75 will uplink payload via LoRaWAN with below payload format: 
234 -)))
235 235  
236 -(((
237 237  Uplink payload includes in total 4 bytes.
238 238  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
239 239  )))
240 -)))
241 241  
242 242  (((
243 243  
... ... @@ -248,12 +248,12 @@
248 248  **Size (bytes)**
249 249  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
250 250  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
251 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
252 252  
253 253  (unit: mm)
254 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
255 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
256 -)))|[[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]]
257 257  
258 258  [[image:1654850511545-399.png]]
259 259  
... ... @@ -272,13 +272,9 @@
272 272  
273 273  === 2.3.2  Distance ===
274 274  
275 -(((
276 276  Get the distance. Flat object range 280mm - 7500mm.
277 -)))
278 278  
279 -(((
280 280  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.**
281 -)))
282 282  
283 283  
284 284  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -288,7 +288,7 @@
288 288  
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  
... ... @@ -314,18 +314,14 @@
314 314  
315 315  === 2.3.5  Sensor Flag ===
316 316  
317 -(((
318 318  0x01: Detect Ultrasonic Sensor
319 -)))
320 320  
321 -(((
322 322  0x00: No Ultrasonic Sensor
323 -)))
324 324  
325 325  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
326 326  
327 -=== 2.3.6  Decode payload in The Things Network ===
328 -
329 329  While using TTN network, you can add the payload format to decode the payload.
330 330  
331 331  
... ... @@ -333,9 +333,7 @@
333 333  
334 334  The payload decoder function for TTN V3 is here:
335 335  
336 -(((
337 337  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/]]
338 -)))
339 339  
340 340  
341 341  
... ... @@ -861,6 +861,8 @@
861 861  * Solid ON for 5 seconds once device successful Join the network.
862 862  * Blink once when device transmit a packet.
863 863  
815 +
816 +
864 864  == 2.8  ​Firmware Change Log ==
865 865  
866 866  
... ... @@ -876,13 +876,11 @@
876 876  
877 877  [[image:image-20220610172003-1.png]]
878 878  
879 -
880 880  [[image:image-20220610172003-2.png]]
881 881  
882 882  
835 +== 2.10  Battery Analysis  ==
883 883  
884 -== 2.10  Battery Analysis ==
885 -
886 886  === 2.10.1  Battery Type ===
887 887  
888 888  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.
... ... @@ -891,7 +891,7 @@
891 891  The battery related documents as below:
892 892  
893 893  * (((
894 -[[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]],
895 895  )))
896 896  * (((
897 897  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -907,7 +907,7 @@
907 907  === 2.10.2  Replace the battery ===
908 908  
909 909  (((
910 -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 wont be voltage drop between battery and main board.
911 911  )))
912 912  
913 913  (((
... ... @@ -915,22 +915,22 @@
915 915  )))
916 916  
917 917  (((
918 -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 cant 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)
919 919  )))
920 920  
921 921  
922 922  
923 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
924 924  
925 925  (((
926 926  (((
927 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
928 928  )))
929 929  )))
930 930  
931 931  * (((
932 932  (((
933 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
934 934  )))
935 935  )))
936 936  * (((
... ... @@ -945,7 +945,7 @@
945 945  )))
946 946  
947 947  (((
948 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
949 949  )))
950 950  )))
951 951  
... ... @@ -986,148 +986,351 @@
986 986  
987 987  * (((
988 988  (((
989 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
990 990  )))
991 991  )))
992 992  
993 993  (((
994 994  (((
995 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
996 996  )))
997 997  )))
998 998  
999 999  
1000 1000  
1001 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
1002 1002  
1003 -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.
1004 1004  
1005 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
1006 1006  
958 +[[image:image-20220607171554-8.png]]
1007 1007  
1008 -Or if you have below board, use below connection:
1009 1009  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
1010 1010  
1011 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
1012 1012  
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 +)))
1013 1013  
1014 -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 +)))
1015 1015  
980 +== 4.2  Set Interrupt Mode ==
1016 1016  
1017 - [[image:image-20220610172924-6.png||height="601" width="860"]]
982 +Feature, Set Interrupt mode for GPIO_EXIT.
1018 1018  
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
1019 1019  
986 +[[image:image-20220610105806-2.png]]
1020 1020  
1021 -== 3.2  Set Transmit Interval Time ==
1022 1022  
1023 -Feature: Change LoRaWAN End Node Transmit Interval.
989 +(((
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
991 +)))
1024 1024  
1025 -(% style="color:#037691" %)**AT Command: AT+TDC**
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1026 1026  
1027 -[[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 +)))
1028 1028  
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 +)))
1029 1029  
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 +
1030 1030  (((
1031 -(% 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.
1032 1032  )))
1033 1033  
1034 1034  (((
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 +
1035 1035  (((
1036 -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 +)))
1037 1037  
1038 -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 +)))
1039 1039  
1040 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1041 -* 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.
1042 1042  )))
1043 1043  
1129 +(((
1130 +Instruction to use as below:
1131 +)))
1044 1044  
1045 -
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]],
1046 1046  )))
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 +)))
1047 1047  
1048 -== 3.3  Set Interrupt Mode ==
1162 +[[image:image-20220607172042-11.png]]
1049 1049  
1050 -Feature, Set Interrupt mode for GPIO_EXIT.
1051 1051  
1052 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1053 1053  
1054 -[[image:image-20220610174917-9.png]]
1166 +=== 5.3.1  ​Battery Note ===
1055 1055  
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 +)))
1056 1056  
1057 -(% style="color:#037691" %)**Downlink Command: 0x06**
1058 1058  
1059 -Format: Command Code (0x06) followed by 3 bytes.
1060 1060  
1061 -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 ===
1062 1062  
1063 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1064 -* 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 +)))
1065 1065  
1066 -= 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 +)))
1067 1067  
1068 -== 4.1  What is the frequency plan for LDDS75? ==
1069 1069  
1070 -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"]]
1071 1071  
1186 += 6.  Use AT Command =
1072 1072  
1188 +== 6.1  Access AT Commands ==
1073 1073  
1074 -== 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.
1075 1075  
1076 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1077 -When downloading the images, choose the required image file for download. ​
1192 +[[image:1654593668970-604.png]]
1078 1078  
1194 +**Connection:**
1079 1079  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1080 1080  
1081 -== 4.3  Can I use LDDS75 in condensation environment? ==
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1082 1082  
1083 -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**
1084 1084  
1085 1085  
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 +)))
1086 1086  
1087 -= 5.  Trouble Shooting =
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1088 1088  
1089 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1090 1090  
1091 -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]]
1092 1092  
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1093 1093  
1094 -== 5.2  AT Command input doesn't work ==
1095 1095  
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 +(((
1096 1096  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 +)))
1097 1097  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1098 1098  (((
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 +(((
1099 1099  
1100 1100  )))
1101 1101  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1102 1102  
1103 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1104 1104  
1105 1105  
1106 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1107 1107  
1262 += 9.  Order Info =
1108 1108  
1109 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1110 1110  
1111 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1112 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1113 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1114 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1115 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1116 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1117 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1118 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1119 1119  
1120 -(% style="color:blue" %)**YY**(%%): Battery Option
1121 1121  
1122 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1123 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1124 1124  
1125 -= 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
1126 1126  
1279 += 10. ​ Packing Info =
1127 1127  
1281 +
1128 1128  **Package Includes**:
1129 1129  
1130 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1131 1131  
1132 1132  **Dimension and weight**:
1133 1133  
... ... @@ -1136,7 +1136,7 @@
1136 1136  * Package Size / pcs : cm
1137 1137  * Weight / pcs : g
1138 1138  
1139 -= 8.  ​Support =
1293 += 11.  ​Support =
1140 1140  
1141 1141  * 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.
1142 1142  * 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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