Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 154.5 >
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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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97 97  
98 98  [[image:image-20220610154839-1.png]]
99 99  
100 -
101 101  (((
102 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
103 -
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)**
100 +**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)**
105 105  )))
106 106  
107 107  
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139 139  
140 140  
141 141  
138 +
139 +
142 142  == 1.6  Pin mapping and power on ==
143 143  
144 144  
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295 295  
296 296  
297 297  
296 +
297 +
298 298  === 2.3.3  Interrupt Pin ===
299 299  
300 300  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.
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872 872  
873 873  
874 874  
875 +
876 +
875 875  == 2.8  ​Firmware Change Log ==
876 876  
877 877  
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1062 1062  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1063 1063  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1064 1064  )))
1065 -)))
1066 1066  
1067 1067  
1069 +
1070 +)))
1068 1068  
1069 -
1070 -
1071 1071  == 3.3  Set Interrupt Mode ==
1072 1072  
1073 1073  Feature, Set Interrupt mode for GPIO_EXIT.
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1089 1089  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1090 1090  
1091 1091  
1092 -
1093 1093  = 4.  FAQ =
1094 1094  
1095 1095  == 4.1  What is the frequency plan for LDDS75? ==
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1150 1150  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1151 1151  
1152 1152  
1153 -
1154 1154  = 7. ​ Packing Info =
1155 1155  
1156 1156  
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1166 1166  * Weight / pcs : g
1167 1167  
1168 1168  
1169 -
1170 1170  = 8.  ​Support =
1171 1171  
1172 1172  * 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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