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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  
63 +(((
38 38  (% 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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81 81  
82 82  
83 83  
119 +(((
84 84  **(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 +)))
85 85  
86 86  
87 87  [[image:1654852175653-550.png]](% style="display:none" %) ** **
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101 101  * Bottom water level monitoring
102 102  
103 103  
141 +
104 104  == 1.6  Pin mapping and power on ==
105 105  
106 106  
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108 108  
109 109  
110 110  
111 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
149 += 2.  Configure LDDS45 to connect to LoRaWAN network =
112 112  
113 113  == 2.1  How it works ==
114 114  
115 115  (((
116 -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
117 117  )))
118 118  
119 119  (((
120 -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.
121 121  )))
122 122  
123 123  
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126 126  
127 127  (((
128 128  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
167 +
168 +
129 129  )))
130 130  
171 +[[image:1654913911773-521.png]]
172 +
173 +
131 131  (((
132 -[[image:1654848616367-242.png]]
175 +
133 133  )))
134 134  
135 135  (((
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137 137  )))
138 138  
139 139  (((
140 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
183 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
141 141  )))
142 142  
143 143  (((
144 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
187 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
145 145  )))
146 146  
147 147  [[image:image-20220607170145-1.jpeg]]
148 148  
149 149  
193 +(((
150 150  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
195 +)))
151 151  
197 +(((
152 152  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
199 +)))
153 153  
201 +(((
154 154  **Add APP EUI in the application**
203 +)))
155 155  
156 156  [[image:image-20220610161353-4.png]]
157 157  
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194 194  == 2.3  ​Uplink Payload ==
195 195  
196 196  (((
246 +(((
197 197  LDDS75 will uplink payload via LoRaWAN with below payload format: 
248 +)))
198 198  
250 +(((
199 199  Uplink payload includes in total 4 bytes.
200 200  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
201 201  )))
254 +)))
202 202  
203 203  (((
204 204  
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233 233  
234 234  === 2.3.2  Distance ===
235 235  
289 +(((
236 236  Get the distance. Flat object range 280mm - 7500mm.
291 +)))
237 237  
293 +(((
238 238  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.**
295 +)))
239 239  
240 240  
241 241  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
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271 271  
272 272  === 2.3.5  Sensor Flag ===
273 273  
331 +(((
274 274  0x01: Detect Ultrasonic Sensor
333 +)))
275 275  
335 +(((
276 276  0x00: No Ultrasonic Sensor
337 +)))
277 277  
278 278  
279 279  
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286 286  
287 287  The payload decoder function for TTN V3 is here:
288 288  
350 +(((
289 289  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/]]
352 +)))
290 290  
291 291  
292 292  
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812 812  * Solid ON for 5 seconds once device successful Join the network.
813 813  * Blink once when device transmit a packet.
814 814  
878 +
879 +
815 815  == 2.8  ​Firmware Change Log ==
816 816  
817 817  
883 +(((
818 818  **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/]]
885 +)))
819 819  
887 +(((
888 +
889 +)))
820 820  
891 +(((
821 821  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
893 +)))
822 822  
823 823  
824 824  
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827 827  
828 828  [[image:image-20220610172003-1.png]]
829 829  
902 +
830 830  [[image:image-20220610172003-2.png]]
831 831  
832 832  
906 +
833 833  == 2.10  Battery Analysis ==
834 834  
835 835  === 2.10.1  Battery Type ===
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840 840  The battery related documents as below:
841 841  
842 842  * (((
843 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
917 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
844 844  )))
845 845  * (((
846 846  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
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856 856  === 2.10.2  Replace the battery ===
857 857  
858 858  (((
859 -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.
933 +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.
860 860  )))
861 861  
862 862  (((
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864 864  )))
865 865  
866 866  (((
867 -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)
941 +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)
868 868  )))
869 869  
870 870  
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879 879  
880 880  * (((
881 881  (((
882 -AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
956 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
883 883  )))
884 884  )))
885 885  * (((
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960 960  [[image:image-20220610172924-5.png]]
961 961  
962 962  
1037 +(((
963 963  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:
1039 +)))
964 964  
965 965  
966 966   [[image:image-20220610172924-6.png||height="601" width="860"]]
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984 984  (((
985 985  Format: Command Code (0x01) followed by 3 bytes time value.
986 986  
1063 +(((
987 987  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1065 +)))
988 988  
989 989  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
990 990  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
991 991  )))
1070 +)))
992 992  
993 993  
994 -
995 -)))
996 996  
1074 +
1075 +
997 997  == 3.3  Set Interrupt Mode ==
998 998  
999 999  Feature, Set Interrupt mode for GPIO_EXIT.
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1007 1007  
1008 1008  Format: Command Code (0x06) followed by 3 bytes.
1009 1009  
1089 +(((
1010 1010  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1091 +)))
1011 1011  
1012 1012  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1013 1013  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1014 1014  
1096 +
1097 +
1015 1015  = 4.  FAQ =
1016 1016  
1017 1017  == 4.1  What is the frequency plan for LDDS75? ==
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1071 1071  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1072 1072  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1073 1073  
1157 +
1158 +
1074 1074  = 7. ​ Packing Info =
1075 1075  
1076 1076  
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1085 1085  * Package Size / pcs : cm
1086 1086  * Weight / pcs : g
1087 1087  
1173 +
1174 +
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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