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Title
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1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:1654912614655-664.png||height="530" width="628"]]
3 3  
4 4  **Contents:**
5 5  
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20 20  
21 21  
22 22  (((
23 -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.
23 +(((
24 +The Dragino LDDS45 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 LDDS45 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 +)))
24 24  
27 +(((
28 +
29 +)))
25 25  
31 +(((
26 26  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 +)))
27 27  
35 +(((
36 +
37 +)))
28 28  
29 -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.
39 +(((
40 +The LoRa wireless technology used in LDDS45 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 +)))
30 30  
43 +(((
44 +
45 +)))
31 31  
32 -LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
47 +(((
48 +LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 +)))
33 33  
51 +(((
52 +
53 +)))
34 34  
35 -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.
55 +(((
56 +Each LDDS45 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 +)))
36 36  
59 +(((
60 +
61 +)))
37 37  
38 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
63 +(((
64 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65 +
66 +
39 39  )))
40 40  )))
69 +)))
41 41  
71 +[[image:1654912858581-740.png]]
42 42  
43 -[[image:1654847051249-359.png]]
44 44  
45 45  
46 46  
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47 47  == ​1.2  Features ==
48 48  
49 49  * LoRaWAN 1.0.3 Class A
50 -* Ultra low power consumption
79 +* Ultra-low power consumption
51 51  * Distance Detection by Ultrasonic technology
52 -* Flat object range 280mm - 7500mm
81 +* Flat object range 30mm - 4500mm
53 53  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
83 +* Measure Angle: 60°
54 54  * Cable Length : 25cm
55 55  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
56 56  * AT Commands to change parameters
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57 57  * Uplink on periodically
58 58  * Downlink to change configure
59 59  * IP66 Waterproof Enclosure
60 -* 4000mAh or 8500mAh Battery for long term use
90 +* 8500mAh Battery for long term use
61 61  
92 +
93 +
62 62  == 1.3  Specification ==
63 63  
64 64  === 1.3.1  Rated environmental conditions ===
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65 65  
66 66  [[image:image-20220610154839-1.png]]
67 67  
68 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
69 69  
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)**
101 +(((
102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
71 71  
104 +**~ 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)**
105 +)))
72 72  
73 73  
108 +
74 74  === 1.3.2  Effective measurement range Reference beam pattern ===
75 75  
76 76  **(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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80 80  [[image:1654852253176-749.png]]
81 81  
82 82  
118 +
119 +(((
83 83  **(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.**
121 +)))
84 84  
85 85  
86 86  [[image:1654852175653-550.png]](% style="display:none" %) ** **
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99 99  * Sewer
100 100  * Bottom water level monitoring
101 101  
140 +
141 +
102 102  == 1.6  Pin mapping and power on ==
103 103  
104 104  
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106 106  
107 107  
108 108  
109 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
149 += 2.  Configure LDDS45 to connect to LoRaWAN network =
110 110  
111 111  == 2.1  How it works ==
112 112  
113 113  (((
114 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
154 +The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
115 115  )))
116 116  
117 117  (((
118 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
158 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS45.
119 119  )))
120 120  
121 121  
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145 145  [[image:image-20220607170145-1.jpeg]]
146 146  
147 147  
188 +(((
148 148  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
190 +)))
149 149  
192 +(((
150 150  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
194 +)))
151 151  
196 +(((
152 152  **Add APP EUI in the application**
198 +)))
153 153  
154 154  [[image:image-20220610161353-4.png]]
155 155  
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192 192  == 2.3  ​Uplink Payload ==
193 193  
194 194  (((
241 +(((
195 195  LDDS75 will uplink payload via LoRaWAN with below payload format: 
243 +)))
196 196  
245 +(((
197 197  Uplink payload includes in total 4 bytes.
198 198  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
199 199  )))
249 +)))
200 200  
201 201  (((
202 202  
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207 207  **Size (bytes)**
208 208  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
209 209  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
210 -[[Distance>>||anchor="H2.3.3A0Distance"]]
260 +[[Distance>>||anchor="H2.3.2A0Distance"]]
211 211  
212 212  (unit: mm)
213 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215 -)))|[[Sensor Flag>>path:#Sensor_Flag]]
263 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
264 +[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
265 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
216 216  
217 217  [[image:1654850511545-399.png]]
218 218  
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231 231  
232 232  === 2.3.2  Distance ===
233 233  
284 +(((
234 234  Get the distance. Flat object range 280mm - 7500mm.
286 +)))
235 235  
288 +(((
236 236  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.**
290 +)))
237 237  
238 238  
239 239  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
240 240  * 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.
241 241  
296 +
297 +
242 242  === 2.3.3  Interrupt Pin ===
243 243  
244 -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.
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.
245 245  
246 246  **Example:**
247 247  
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267 267  
268 268  === 2.3.5  Sensor Flag ===
269 269  
326 +(((
270 270  0x01: Detect Ultrasonic Sensor
328 +)))
271 271  
330 +(((
272 272  0x00: No Ultrasonic Sensor
332 +)))
273 273  
274 274  
275 275  
336 +=== 2.3.6  Decode payload in The Things Network ===
276 276  
277 -== 2.3.6  Decode payload in The Things Network ==
278 -
279 279  While using TTN network, you can add the payload format to decode the payload.
280 280  
281 281  
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283 283  
284 284  The payload decoder function for TTN V3 is here:
285 285  
345 +(((
286 286  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 +)))
287 287  
288 288  
289 289  
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809 809  * Solid ON for 5 seconds once device successful Join the network.
810 810  * Blink once when device transmit a packet.
811 811  
873 +
874 +
812 812  == 2.8  ​Firmware Change Log ==
813 813  
814 814  
878 +(((
815 815  **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/]]
880 +)))
816 816  
882 +(((
883 +
884 +)))
817 817  
886 +(((
818 818  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
888 +)))
819 819  
820 820  
821 821  
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824 824  
825 825  [[image:image-20220610172003-1.png]]
826 826  
897 +
827 827  [[image:image-20220610172003-2.png]]
828 828  
829 829  
901 +
830 830  == 2.10  Battery Analysis ==
831 831  
832 832  === 2.10.1  Battery Type ===
... ... @@ -837,7 +837,7 @@
837 837  The battery related documents as below:
838 838  
839 839  * (((
840 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
912 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
841 841  )))
842 842  * (((
843 843  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -853,7 +853,7 @@
853 853  === 2.10.2  Replace the battery ===
854 854  
855 855  (((
856 -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.
928 +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.
857 857  )))
858 858  
859 859  (((
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861 861  )))
862 862  
863 863  (((
864 -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)
936 +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)
865 865  )))
866 866  
867 867  
868 868  
869 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
941 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
870 870  
871 871  (((
872 872  (((
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876 876  
877 877  * (((
878 878  (((
879 -AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
951 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
880 880  )))
881 881  )))
882 882  * (((
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957 957  [[image:image-20220610172924-5.png]]
958 958  
959 959  
1032 +(((
960 960  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:
1034 +)))
961 961  
962 962  
963 963   [[image:image-20220610172924-6.png||height="601" width="860"]]
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981 981  (((
982 982  Format: Command Code (0x01) followed by 3 bytes time value.
983 983  
1058 +(((
984 984  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1060 +)))
985 985  
986 986  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
987 987  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
988 988  )))
1065 +)))
989 989  
990 990  
991 -
992 -)))
993 993  
1069 +
1070 +
994 994  == 3.3  Set Interrupt Mode ==
995 995  
996 996  Feature, Set Interrupt mode for GPIO_EXIT.
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1004 1004  
1005 1005  Format: Command Code (0x06) followed by 3 bytes.
1006 1006  
1084 +(((
1007 1007  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1086 +)))
1008 1008  
1009 1009  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1010 1010  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1011 1011  
1012 1012  
1092 +
1013 1013  = 4.  FAQ =
1014 1014  
1015 1015  == 4.1  What is the frequency plan for LDDS75? ==
... ... @@ -1070,6 +1070,7 @@
1070 1070  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1071 1071  
1072 1072  
1153 +
1073 1073  = 7. ​ Packing Info =
1074 1074  
1075 1075  
... ... @@ -1085,6 +1085,7 @@
1085 1085  * Weight / pcs : g
1086 1086  
1087 1087  
1169 +
1088 1088  = 8.  ​Support =
1089 1089  
1090 1090  * 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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