Last modified by Mengting Qiu on 2025/02/26 15:04
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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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21 21  
22 22  (((
23 23  (((
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.
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 25  )))
26 26  
27 27  (((
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37 37  )))
38 38  
39 39  (((
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.
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 41  )))
42 42  
43 43  (((
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45 45  )))
46 46  
47 47  (((
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*.
48 +LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 49  )))
50 50  
51 51  (((
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53 53  )))
54 54  
55 55  (((
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.
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 57  )))
58 58  
59 59  (((
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62 62  
63 63  (((
64 64  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65 +
66 +
65 65  )))
66 66  )))
67 67  )))
68 68  
71 +[[image:1654912858581-740.png]]
69 69  
70 -[[image:1654847051249-359.png]]
71 71  
72 72  
73 73  
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86 86  * IP66 Waterproof Enclosure
87 87  * 4000mAh or 8500mAh Battery for long term use
88 88  
91 +
92 +
89 89  == 1.3  Specification ==
90 90  
91 91  === 1.3.1  Rated environmental conditions ===
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130 130  * Bottom water level monitoring
131 131  
132 132  
137 +
133 133  == 1.6  Pin mapping and power on ==
134 134  
135 135  
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333 333  
334 334  The payload decoder function for TTN V3 is here:
335 335  
341 +(((
336 336  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/]]
343 +)))
337 337  
338 338  
339 339  
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859 859  * Solid ON for 5 seconds once device successful Join the network.
860 860  * Blink once when device transmit a packet.
861 861  
869 +
870 +
862 862  == 2.8  ​Firmware Change Log ==
863 863  
864 864  
874 +(((
865 865  **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/]]
876 +)))
866 866  
878 +(((
879 +
880 +)))
867 867  
882 +(((
868 868  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
884 +)))
869 869  
870 870  
871 871  
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1009 1009  [[image:image-20220610172924-5.png]]
1010 1010  
1011 1011  
1028 +(((
1012 1012  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:
1030 +)))
1013 1013  
1014 1014  
1015 1015   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1033 1033  (((
1034 1034  Format: Command Code (0x01) followed by 3 bytes time value.
1035 1035  
1054 +(((
1036 1036  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1056 +)))
1037 1037  
1038 1038  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1039 1039  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1040 1040  )))
1061 +)))
1041 1041  
1042 1042  
1043 -
1044 -)))
1045 1045  
1065 +
1066 +
1046 1046  == 3.3  Set Interrupt Mode ==
1047 1047  
1048 1048  Feature, Set Interrupt mode for GPIO_EXIT.
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1056 1056  
1057 1057  Format: Command Code (0x06) followed by 3 bytes.
1058 1058  
1080 +(((
1059 1059  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1082 +)))
1060 1060  
1061 1061  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1062 1062  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1063 1063  
1087 +
1088 +
1064 1064  = 4.  FAQ =
1065 1065  
1066 1066  == 4.1  What is the frequency plan for LDDS75? ==
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1120 1120  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1121 1121  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1122 1122  
1148 +
1149 +
1123 1123  = 7. ​ Packing Info =
1124 1124  
1125 1125  
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1134 1134  * Package Size / pcs : cm
1135 1135  * Weight / pcs : g
1136 1136  
1164 +
1165 +
1137 1137  = 8.  ​Support =
1138 1138  
1139 1139  * 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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