Skip to Content
Last modified by Xiaoling on 2025/04/27 16:45
From version 151.8
edited by Xiaoling
on 2022/06/11 09:36
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]]
... ... @@ -86,10 +86,6 @@
86 86  * IP66 Waterproof Enclosure
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
89 -
90 -
91 -
92 -
93 93  == 1.3  Specification ==
94 94  
95 95  === 1.3.1  Rated environmental conditions ===
... ... @@ -96,12 +96,12 @@
96 96  
97 97  [[image:image-20220610154839-1.png]]
98 98  
99 -(((
100 -**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)**
101 -)))
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
102 102  
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)**
103 103  
104 104  
71 +
105 105  === 1.3.2  Effective measurement range Reference beam pattern ===
106 106  
107 107  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -111,10 +111,7 @@
111 111  [[image:1654852253176-749.png]]
112 112  
113 113  
114 -
115 -(((
116 116  **(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.**
117 -)))
118 118  
119 119  
120 120  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -133,10 +133,6 @@
133 133  * Sewer
134 134  * Bottom water level monitoring
135 135  
136 -
137 -
138 -
139 -
140 140  == 1.6  Pin mapping and power on ==
141 141  
142 142  
... ... @@ -183,17 +183,11 @@
183 183  [[image:image-20220607170145-1.jpeg]]
184 184  
185 185  
186 -(((
187 187  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
188 -)))
189 189  
190 -(((
191 191  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
192 -)))
193 193  
194 -(((
195 195  **Add APP EUI in the application**
196 -)))
197 197  
198 198  [[image:image-20220610161353-4.png]]
199 199  
... ... @@ -236,15 +236,11 @@
236 236  == 2.3  ​Uplink Payload ==
237 237  
238 238  (((
239 -(((
240 240  LDDS75 will uplink payload via LoRaWAN with below payload format: 
241 -)))
242 242  
243 -(((
244 244  Uplink payload includes in total 4 bytes.
245 245  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
246 246  )))
247 -)))
248 248  
249 249  (((
250 250  
... ... @@ -255,12 +255,12 @@
255 255  **Size (bytes)**
256 256  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
257 257  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
258 -[[Distance>>||anchor="H2.3.2A0Distance"]]
208 +[[Distance>>||anchor="H2.3.3A0Distance"]]
259 259  
260 260  (unit: mm)
261 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
262 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
263 -)))|[[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]]
264 264  
265 265  [[image:1654850511545-399.png]]
266 266  
... ... @@ -279,25 +279,17 @@
279 279  
280 280  === 2.3.2  Distance ===
281 281  
282 -(((
283 283  Get the distance. Flat object range 280mm - 7500mm.
284 -)))
285 285  
286 -(((
287 287  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.**
288 -)))
289 289  
290 290  
291 291  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
292 292  * 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.
293 293  
294 -
295 -
296 -
297 -
298 298  === 2.3.3  Interrupt Pin ===
299 299  
300 -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.
301 301  
302 302  **Example:**
303 303  
... ... @@ -323,18 +323,14 @@
323 323  
324 324  === 2.3.5  Sensor Flag ===
325 325  
326 -(((
327 327  0x01: Detect Ultrasonic Sensor
328 -)))
329 329  
330 -(((
331 331  0x00: No Ultrasonic Sensor
332 -)))
333 333  
334 334  
273 +===
274 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
335 335  
336 -=== 2.3.6  Decode payload in The Things Network ===
337 -
338 338  While using TTN network, you can add the payload format to decode the payload.
339 339  
340 340  
... ... @@ -342,9 +342,7 @@
342 342  
343 343  The payload decoder function for TTN V3 is here:
344 344  
345 -(((
346 346  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/]]
347 -)))
348 348  
349 349  
350 350  
... ... @@ -870,24 +870,13 @@
870 870  * Solid ON for 5 seconds once device successful Join the network.
871 871  * Blink once when device transmit a packet.
872 872  
873 -
874 -
875 -
876 -
877 877  == 2.8  ​Firmware Change Log ==
878 878  
879 879  
880 -(((
881 881  **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/]]
882 -)))
883 883  
884 -(((
885 -
886 -)))
887 887  
888 -(((
889 889  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
890 -)))
891 891  
892 892  
893 893  
... ... @@ -896,11 +896,9 @@
896 896  
897 897  [[image:image-20220610172003-1.png]]
898 898  
899 -
900 900  [[image:image-20220610172003-2.png]]
901 901  
902 902  
903 -
904 904  == 2.10  Battery Analysis ==
905 905  
906 906  === 2.10.1  Battery Type ===
... ... @@ -911,7 +911,7 @@
911 911  The battery related documents as below:
912 912  
913 913  * (((
914 -[[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]],
915 915  )))
916 916  * (((
917 917  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -927,7 +927,7 @@
927 927  === 2.10.2  Replace the battery ===
928 928  
929 929  (((
930 -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.
931 931  )))
932 932  
933 933  (((
... ... @@ -935,12 +935,12 @@
935 935  )))
936 936  
937 937  (((
938 -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)
939 939  )))
940 940  
941 941  
942 942  
943 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
866 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
944 944  
945 945  (((
946 946  (((
... ... @@ -950,7 +950,7 @@
950 950  
951 951  * (((
952 952  (((
953 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
876 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
954 954  )))
955 955  )))
956 956  * (((
... ... @@ -1031,9 +1031,7 @@
1031 1031  [[image:image-20220610172924-5.png]]
1032 1032  
1033 1033  
1034 -(((
1035 1035  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:
1036 -)))
1037 1037  
1038 1038  
1039 1039   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -1057,20 +1057,16 @@
1057 1057  (((
1058 1058  Format: Command Code (0x01) followed by 3 bytes time value.
1059 1059  
1060 -(((
1061 1061  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1062 -)))
1063 1063  
1064 1064  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1065 1065  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1066 1066  )))
1067 1067  
987 +
988 +
1068 1068  )))
1069 1069  
1070 -
1071 -
1072 -
1073 -
1074 1074  == 3.3  Set Interrupt Mode ==
1075 1075  
1076 1076  Feature, Set Interrupt mode for GPIO_EXIT.
... ... @@ -1077,7 +1077,7 @@
1077 1077  
1078 1078  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1079 1079  
1080 -[[image:image-20220610174917-9.png]]
997 +[[image:image-20220610105907-1.png]]
1081 1081  
1082 1082  
1083 1083  (% style="color:#037691" %)**Downlink Command: 0x06**
... ... @@ -1084,9 +1084,7 @@
1084 1084  
1085 1085  Format: Command Code (0x06) followed by 3 bytes.
1086 1086  
1087 -(((
1088 1088  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1089 -)))
1090 1090  
1091 1091  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1092 1092  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
... ... @@ -1095,66 +1095,106 @@
1095 1095  
1096 1096  
1097 1097  
1098 -= 4.  FAQ =
1013 += 6.  Use AT Command =
1099 1099  
1100 -== 4.1  What is the frequency plan for LDDS75? ==
1015 +== 6.1  Access AT Commands ==
1101 1101  
1102 -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"]]
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.
1103 1103  
1019 +[[image:1654593668970-604.png]]
1104 1104  
1021 +**Connection:**
1105 1105  
1106 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1023 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1107 1107  
1108 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1109 -When downloading the images, choose the required image file for download. ​
1025 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1110 1110  
1027 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1111 1111  
1112 1112  
1113 -== 4.3  Can I use LDDS75 in condensation environment? ==
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 +)))
1114 1114  
1115 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1035 +(((
1036 +LLDS12 will output system info once power on as below:
1037 +)))
1038 +)))
1116 1116  
1117 1117  
1041 + [[image:1654593712276-618.png]]
1118 1118  
1119 -= 5.  Trouble Shooting =
1043 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1120 1120  
1121 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1122 1122  
1123 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1046 += 7.  FAQ =
1124 1124  
1048 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1125 1125  
1126 -== 5.2  AT Command input doesn't work ==
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. ​
1127 1127  
1053 +
1054 += 8.  Trouble Shooting =
1055 +
1056 +== 8.1  AT Commands input doesn’t work ==
1057 +
1058 +
1059 +(((
1128 1128  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 +)))
1129 1129  
1063 +
1064 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1065 +
1066 +
1130 1130  (((
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 +(((
1131 1131  
1132 1132  )))
1133 1133  
1079 +(((
1080 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1081 +)))
1134 1134  
1083 +(((
1084 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1085 +)))
1086 +
1087 +
1088 +
1135 1135  = 6.  Order Info =
1136 1136  
1137 1137  
1138 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1092 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1139 1139  
1140 1140  
1141 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1095 +(% style="color:blue" %)**XX**(%%): The default frequency band
1142 1142  
1143 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1144 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1145 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1146 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1147 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1148 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1149 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1150 -* (% 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
1151 1151  
1152 -(% style="color:blue" %)**YY**(%%): Battery Option
1106 +**YY**: Battery Option
1153 1153  
1154 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1155 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1108 +* **4**: 4000mAh battery
1109 +* **8**: 8500mAh battery
1156 1156  
1157 1157  
1112 +
1158 1158  = 7. ​ Packing Info =
1159 1159  
1160 1160  
... ... @@ -1170,6 +1170,7 @@
1170 1170  * Weight / pcs : g
1171 1171  
1172 1172  
1128 +
1173 1173  = 8.  ​Support =
1174 1174  
1175 1175  * 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.
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