Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 154.4 >
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To version < 151.3 >
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Title
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1 -LDDS45 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654912614655-664.png||height="530" width="628"]]
2 +[[image:1654846127817-788.png]]
3 3  
4 4  **Contents:**
5 5  
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21 21  
22 22  (((
23 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.
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 25  )))
26 26  
27 27  (((
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37 37  )))
38 38  
39 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.
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 41  )))
42 42  
43 43  (((
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45 45  )))
46 46  
47 47  (((
48 -LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
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 49  )))
50 50  
51 51  (((
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53 53  )))
54 54  
55 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.
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 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 -
67 67  )))
68 68  )))
69 69  )))
70 70  
71 -[[image:1654912858581-740.png]]
72 72  
70 +[[image:1654847051249-359.png]]
73 73  
74 74  
75 75  
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76 76  == ​1.2  Features ==
77 77  
78 78  * LoRaWAN 1.0.3 Class A
79 -* Ultra-low power consumption
77 +* Ultra low power consumption
80 80  * Distance Detection by Ultrasonic technology
81 -* Flat object range 30mm - 4500mm
79 +* Flat object range 280mm - 7500mm
82 82  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
83 -* Measure Angle: 60°
84 84  * Cable Length : 25cm
85 85  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
86 86  * AT Commands to change parameters
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87 87  * Uplink on periodically
88 88  * Downlink to change configure
89 89  * IP66 Waterproof Enclosure
90 -* 8500mAh Battery for long term use
87 +* 4000mAh or 8500mAh Battery for long term use
91 91  
92 92  
93 93  
91 +
92 +
94 94  == 1.3  Specification ==
95 95  
96 96  === 1.3.1  Rated environmental conditions ===
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136 136  
137 137  
138 138  
138 +
139 +
139 139  == 1.6  Pin mapping and power on ==
140 140  
141 141  
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290 290  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
291 291  * 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.
292 292  
293 -
294 -
295 295  === 2.3.3  Interrupt Pin ===
296 296  
297 297  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.
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867 867  * Solid ON for 5 seconds once device successful Join the network.
868 868  * Blink once when device transmit a packet.
869 869  
870 -
871 -
872 872  == 2.8  ​Firmware Change Log ==
873 873  
874 874  
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1059 1059  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1060 1060  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1061 1061  )))
1062 -)))
1063 1063  
1064 1064  
1061 +
1062 +)))
1065 1065  
1066 -
1067 -
1068 1068  == 3.3  Set Interrupt Mode ==
1069 1069  
1070 1070  Feature, Set Interrupt mode for GPIO_EXIT.
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1086 1086  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1087 1087  
1088 1088  
1089 -
1090 1090  = 4.  FAQ =
1091 1091  
1092 1092  == 4.1  What is the frequency plan for LDDS75? ==
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1147 1147  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1148 1148  
1149 1149  
1150 -
1151 1151  = 7. ​ Packing Info =
1152 1152  
1153 1153  
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1163 1163  * Weight / pcs : g
1164 1164  
1165 1165  
1166 -
1167 1167  = 8.  ​Support =
1168 1168  
1169 1169  * 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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