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Last modified by Xiaoling on 2025/04/27 16:45
From version 151.12
edited by Xiaoling
on 2022/06/11 09:38
Change comment: There is no comment for this version
To version 147.8
edited by Xiaoling
on 2022/06/10 17:44
Change comment: There is no comment for this version

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]]
... ... @@ -86,9 +86,6 @@
86 86  * IP66 Waterproof Enclosure
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
89 -
90 -
91 -
92 92  == 1.3  Specification ==
93 93  
94 94  === 1.3.1  Rated environmental conditions ===
... ... @@ -95,12 +95,12 @@
95 95  
96 96  [[image:image-20220610154839-1.png]]
97 97  
98 -(((
99 -**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)**
100 -)))
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
101 101  
68 +**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)**
102 102  
103 103  
71 +
104 104  === 1.3.2  Effective measurement range Reference beam pattern ===
105 105  
106 106  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -110,10 +110,7 @@
110 110  [[image:1654852253176-749.png]]
111 111  
112 112  
113 -
114 -(((
115 115  **(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.**
116 -)))
117 117  
118 118  
119 119  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -132,9 +132,6 @@
132 132  * Sewer
133 133  * Bottom water level monitoring
134 134  
135 -
136 -
137 -
138 138  == 1.6  Pin mapping and power on ==
139 139  
140 140  
... ... @@ -181,17 +181,11 @@
181 181  [[image:image-20220607170145-1.jpeg]]
182 182  
183 183  
184 -(((
185 185  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
186 -)))
187 187  
188 -(((
189 189  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
190 -)))
191 191  
192 -(((
193 193  **Add APP EUI in the application**
194 -)))
195 195  
196 196  [[image:image-20220610161353-4.png]]
197 197  
... ... @@ -234,15 +234,11 @@
234 234  == 2.3  ​Uplink Payload ==
235 235  
236 236  (((
237 -(((
238 238  LDDS75 will uplink payload via LoRaWAN with below payload format: 
239 -)))
240 240  
241 -(((
242 242  Uplink payload includes in total 4 bytes.
243 243  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
244 244  )))
245 -)))
246 246  
247 247  (((
248 248  
... ... @@ -253,12 +253,12 @@
253 253  **Size (bytes)**
254 254  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
255 255  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
256 -[[Distance>>||anchor="H2.3.2A0Distance"]]
208 +[[Distance>>||anchor="H2.3.3A0Distance"]]
257 257  
258 258  (unit: mm)
259 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
260 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
261 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
211 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
212 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
213 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
262 262  
263 263  [[image:1654850511545-399.png]]
264 264  
... ... @@ -277,24 +277,17 @@
277 277  
278 278  === 2.3.2  Distance ===
279 279  
280 -(((
281 281  Get the distance. Flat object range 280mm - 7500mm.
282 -)))
283 283  
284 -(((
285 285  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.**
286 -)))
287 287  
288 288  
289 289  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
290 290  * 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.
291 291  
292 -
293 -
294 -
295 295  === 2.3.3  Interrupt Pin ===
296 296  
297 -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.
242 +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.
298 298  
299 299  **Example:**
300 300  
... ... @@ -320,18 +320,14 @@
320 320  
321 321  === 2.3.5  Sensor Flag ===
322 322  
323 -(((
324 324  0x01: Detect Ultrasonic Sensor
325 -)))
326 326  
327 -(((
328 328  0x00: No Ultrasonic Sensor
329 -)))
330 330  
331 331  
273 +===
274 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
332 332  
333 -=== 2.3.6  Decode payload in The Things Network ===
334 -
335 335  While using TTN network, you can add the payload format to decode the payload.
336 336  
337 337  
... ... @@ -339,9 +339,7 @@
339 339  
340 340  The payload decoder function for TTN V3 is here:
341 341  
342 -(((
343 343  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/]]
344 -)))
345 345  
346 346  
347 347  
... ... @@ -867,23 +867,13 @@
867 867  * Solid ON for 5 seconds once device successful Join the network.
868 868  * Blink once when device transmit a packet.
869 869  
870 -
871 -
872 -
873 873  == 2.8  ​Firmware Change Log ==
874 874  
875 875  
876 -(((
877 877  **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/]]
878 -)))
879 879  
880 -(((
881 -
882 -)))
883 883  
884 -(((
885 885  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
886 -)))
887 887  
888 888  
889 889  
... ... @@ -892,11 +892,9 @@
892 892  
893 893  [[image:image-20220610172003-1.png]]
894 894  
895 -
896 896  [[image:image-20220610172003-2.png]]
897 897  
898 898  
899 -
900 900  == 2.10  Battery Analysis ==
901 901  
902 902  === 2.10.1  Battery Type ===
... ... @@ -907,7 +907,7 @@
907 907  The battery related documents as below:
908 908  
909 909  * (((
910 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
837 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
911 911  )))
912 912  * (((
913 913  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -923,7 +923,7 @@
923 923  === 2.10.2  Replace the battery ===
924 924  
925 925  (((
926 -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.
853 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
927 927  )))
928 928  
929 929  (((
... ... @@ -931,12 +931,12 @@
931 931  )))
932 932  
933 933  (((
934 -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)
861 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
935 935  )))
936 936  
937 937  
938 938  
939 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
940 940  
941 941  (((
942 942  (((
... ... @@ -946,7 +946,7 @@
946 946  
947 947  * (((
948 948  (((
949 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
876 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
950 950  )))
951 951  )))
952 952  * (((
... ... @@ -1027,9 +1027,7 @@
1027 1027  [[image:image-20220610172924-5.png]]
1028 1028  
1029 1029  
1030 -(((
1031 1031  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:
1032 -)))
1033 1033  
1034 1034  
1035 1035   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -1053,19 +1053,16 @@
1053 1053  (((
1054 1054  Format: Command Code (0x01) followed by 3 bytes time value.
1055 1055  
1056 -(((
1057 1057  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1058 -)))
1059 1059  
1060 1060  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1061 1061  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1062 1062  )))
1063 -)))
1064 1064  
1065 1065  
988 +
989 +)))
1066 1066  
1067 -
1068 -
1069 1069  == 3.3  Set Interrupt Mode ==
1070 1070  
1071 1071  Feature, Set Interrupt mode for GPIO_EXIT.
... ... @@ -1072,7 +1072,7 @@
1072 1072  
1073 1073  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1074 1074  
1075 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
1076 1076  
1077 1077  
1078 1078  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1079,9 +1079,7 @@
1079 1079  
1080 1080  Format: Command Code (0x06) followed by 3 bytes.
1081 1081  
1082 -(((
1083 1083  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1084 -)))
1085 1085  
1086 1086  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1087 1087  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
... ... @@ -1089,65 +1089,107 @@
1089 1089  
1090 1090  
1091 1091  
1092 -= 4.  FAQ =
1093 1093  
1094 -== 4.1  What is the frequency plan for LDDS75? ==
1013 += 6.  Use AT Command =
1095 1095  
1096 -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"]]
1015 +== 6.1  Access AT Commands ==
1097 1097  
1017 +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.
1098 1098  
1019 +[[image:1654593668970-604.png]]
1099 1099  
1100 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1021 +**Connection:**
1101 1101  
1102 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1103 -When downloading the images, choose the required image file for download. ​
1023 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1104 1104  
1025 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1105 1105  
1027 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1106 1106  
1107 -== 4.3  Can I use LDDS75 in condensation environment? ==
1108 1108  
1109 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1030 +(((
1031 +(((
1032 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1033 +)))
1110 1110  
1035 +(((
1036 +LLDS12 will output system info once power on as below:
1037 +)))
1038 +)))
1111 1111  
1112 1112  
1113 -= 5.  Trouble Shooting =
1041 + [[image:1654593712276-618.png]]
1114 1114  
1115 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1043 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1116 1116  
1117 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1118 1118  
1046 += 7.  FAQ =
1119 1119  
1120 -== 5.2  AT Command input doesn't work ==
1048 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1121 1121  
1050 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1051 +When downloading the images, choose the required image file for download. ​
1052 +
1053 +
1054 += 8.  Trouble Shooting =
1055 +
1056 +== 8.1  AT Commands input doesn’t work ==
1057 +
1058 +
1059 +(((
1122 1122  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.
1061 +)))
1123 1123  
1063 +
1064 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1065 +
1066 +
1124 1124  (((
1068 +(% 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.)
1069 +)))
1070 +
1071 +(((
1072 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1073 +)))
1074 +
1075 +(((
1125 1125  
1126 1126  )))
1127 1127  
1079 +(((
1080 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081 +)))
1128 1128  
1083 +(((
1084 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085 +)))
1086 +
1087 +
1088 +
1129 1129  = 6.  Order Info =
1130 1130  
1131 1131  
1132 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1092 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1133 1133  
1134 1134  
1135 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1095 +(% style="color:blue" %)**XX**(%%): The default frequency band
1136 1136  
1137 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1138 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1139 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1140 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1141 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1142 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1143 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1144 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1097 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1098 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1099 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1100 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1101 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1102 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1103 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1104 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1145 1145  
1146 -(% style="color:blue" %)**YY**(%%): Battery Option
1106 +**YY**: Battery Option
1147 1147  
1148 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1149 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1108 +* **4**: 4000mAh battery
1109 +* **8**: 8500mAh battery
1150 1150  
1111 +
1112 +
1151 1151  = 7. ​ Packing Info =
1152 1152  
1153 1153  
... ... @@ -1162,6 +1162,8 @@
1162 1162  * Package Size / pcs : cm
1163 1163  * Weight / pcs : g
1164 1164  
1127 +
1128 +
1165 1165  = 8.  ​Support =
1166 1166  
1167 1167  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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