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Last modified by Xiaoling on 2025/04/27 13:54
From version 151.10
edited by Xiaoling
on 2022/06/11 09:36
Change comment: There is no comment for this version
To version 150.13
edited by Xiaoling
on 2022/06/11 08:42
Change comment: There is no comment for this version

Summary

Details

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Content
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67 67  
68 68  
69 69  (((
70 -(((
71 71  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.
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73 73  
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75 -
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77 77  
78 -(((
79 79  It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
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81 81  
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83 -
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85 85  
86 -(((
87 87  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.
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89 89  
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91 -
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93 93  
94 -(((
95 95  LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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97 97  
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99 -
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101 101  
102 -(((
103 103  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.
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105 105  
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107 -
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109 109  
110 -(((
111 111  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
112 112  )))
113 113  )))
114 -)))
115 115  
116 116  
117 117  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847051249-359.png?rev=1.1||alt="1654847051249-359.png"]]
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133 133  * IP66 Waterproof Enclosure
134 134  * 4000mAh or 8500mAh Battery for long term use
135 135  
136 -
137 -
138 -
139 139  == 1.3  Specification ==
140 140  
141 141  === 1.3.1  Rated environmental conditions ===
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142 142  
143 143  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610154839-1.png?rev=1.1||alt="image-20220610154839-1.png"]]
144 144  
145 -(((
146 -**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)**
147 -)))
115 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
148 148  
117 +**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)**
149 149  
150 150  
120 +
151 151  === 1.3.2  Effective measurement range Reference beam pattern ===
152 152  
153 153  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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158 158  
159 159  
160 160  
161 -(((
162 162  **(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.**
163 -)))
164 164  
165 165  
166 166  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]](% style="display:none" %) ** **
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180 180  * Bottom water level monitoring
181 181  
182 182  
183 -
184 -
185 185  == 1.6  Pin mapping and power on ==
186 186  
187 187  
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228 228  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220607170145-1.jpeg?rev=1.1||alt="image-20220607170145-1.jpeg"]]
229 229  
230 230  
231 -(((
232 232  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
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234 234  
235 -(((
236 236  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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238 238  
239 -(((
240 240  **Add APP EUI in the application**
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242 242  
243 243  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-4.png?rev=1.1||alt="image-20220610161353-4.png"]]
244 244  
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281 281  == 2.3  ​Uplink Payload ==
282 282  
283 283  (((
284 -(((
285 285  LDDS75 will uplink payload via LoRaWAN with below payload format: 
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287 287  
288 -(((
289 289  Uplink payload includes in total 4 bytes.
290 290  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
291 291  )))
292 -)))
293 293  
294 294  (((
295 295  
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300 300  **Size (bytes)**
301 301  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
302 302  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>path:#H2.3.1A0BatteryInfo]]|(((
303 -[[Distance>>path:#H2.3.2A0Distance]]
259 +[[Distance>>path:#H2.3.3A0Distance]]
304 304  
305 305  (unit: mm)
306 -)))|[[Digital Interrupt (Optional)>>path:#H2.3.3A0InterruptPin]]|(((
307 -[[Temperature (Optional )>>path:#H2.3.4A0DS18B20Temperaturesensor]]
308 -)))|[[Sensor Flag>>path:#H2.3.5A0SensorFlag]]
262 +)))|[[Digital Interrupt (Optional)>>path:#H2.3.4A0Distancesignalstrength]]|(((
263 +[[Temperature (Optional )>>path:#H2.3.5A0InterruptPin]]
264 +)))|(%%)(% class="wikiinternallink" %)[[Sensor Flag>>path:#Sensor_Flag]]
309 309  
310 310  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
311 311  
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324 324  
325 325  === 2.3.2  Distance ===
326 326  
327 -(((
328 328  Get the distance. Flat object range 280mm - 7500mm.
329 -)))
330 330  
331 -(((
332 332  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.**
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334 334  
335 335  
336 336  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
337 337  * 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.
338 338  
339 -
340 -
341 -
342 342  === 2.3.3  Interrupt Pin ===
343 343  
344 -This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H3.3A0SetInterruptMode]] for the hardware and software set up.
293 +This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H4.2A0SetInterruptMode]] for the hardware and software set up.
345 345  
346 346  **Example:**
347 347  
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367 367  
368 368  === 2.3.5  Sensor Flag ===
369 369  
370 -(((
371 371  0x01: Detect Ultrasonic Sensor
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373 373  
374 -(((
375 375  0x00: No Ultrasonic Sensor
376 -)))
377 377  
378 378  
379 379  
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386 386  
387 387  The payload decoder function for TTN V3 is here:
388 388  
389 -(((
390 390  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/]]
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392 392  
393 393  
394 394  
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914 914  * Solid ON for 5 seconds once device successful Join the network.
915 915  * Blink once when device transmit a packet.
916 916  
917 -
918 -
919 -
920 920  == 2.8  ​Firmware Change Log ==
921 921  
922 922  
923 -(((
924 924  **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/]]
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926 926  
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928 -
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930 930  
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932 932  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
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934 934  
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936 936  
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939 939  
940 940  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
941 941  
942 -
943 943  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
944 944  
945 945  
946 -
947 947  == 2.10  Battery Analysis ==
948 948  
949 949  === 2.10.1  Battery Type ===
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954 954  The battery related documents as below:
955 955  
956 956  * (((
957 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
888 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
958 958  )))
959 959  * (((
960 960  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
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970 970  === 2.10.2  Replace the battery ===
971 971  
972 972  (((
973 -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.
904 +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.
974 974  )))
975 975  
976 976  (((
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978 978  )))
979 979  
980 980  (((
981 -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)
912 +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)
982 982  )))
983 983  
984 984  
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993 993  
994 994  * (((
995 995  (((
996 -AT Command Connection: See [[FAQ>>path:#H4.A0FAQ]].
927 +AT Command Connection: See [[FAQ>>path:#H7.A0FAQ]].
997 997  )))
998 998  )))
999 999  * (((
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1074 1074  [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-5.png?rev=1.1||alt="image-20220610172924-5.png"]]
1075 1075  
1076 1076  
1077 -(((
1078 1078  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:
1079 -)))
1080 1080  
1081 1081  
1082 1082   [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-6.png?width=860&height=601&rev=1.1||alt="image-20220610172924-6.png" height="601" width="860"]]
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1100 1100  (((
1101 1101  Format: Command Code (0x01) followed by 3 bytes time value.
1102 1102  
1103 -(((
1104 1104  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1105 -)))
1106 1106  
1107 1107  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1108 1108  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1109 1109  )))
1110 -)))
1111 1111  
1112 1112  
1039 +
1040 +)))
1113 1113  
1114 -
1115 -
1116 1116  == 3.3  Set Interrupt Mode ==
1117 1117  
1118 1118  Feature, Set Interrupt mode for GPIO_EXIT.
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1126 1126  
1127 1127  Format: Command Code (0x06) followed by 3 bytes.
1128 1128  
1129 -(((
1130 1130  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1131 -)))
1132 1132  
1133 1133  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1134 1134  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1135 1135  
1136 -
1137 -
1138 -
1139 1139  = 4.  FAQ =
1140 1140  
1141 1141  == 4.1  What is the frequency plan for LDDS75? ==