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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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74 74  == ​1.2  Features ==
75 75  
76 76  * LoRaWAN 1.0.3 Class A
77 -* Ultra low power consumption
79 +* Ultra-low power consumption
78 78  * Distance Detection by Ultrasonic technology
79 -* Flat object range 280mm - 7500mm
81 +* Flat object range 30mm - 4500mm
80 80  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
83 +* Measure Angle: 60°
81 81  * Cable Length : 25cm
82 82  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83 83  * AT Commands to change parameters
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84 84  * Uplink on periodically
85 85  * Downlink to change configure
86 86  * IP66 Waterproof Enclosure
87 -* 4000mAh or 8500mAh Battery for long term use
90 +* 8500mAh Battery for long term use
88 88  
89 89  
90 90  
91 -
92 -
93 93  == 1.3  Specification ==
94 94  
95 95  === 1.3.1  Rated environmental conditions ===
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96 96  
97 97  [[image:image-20220610154839-1.png]]
98 98  
100 +
99 99  (((
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)**
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)**
101 101  )))
102 102  
103 103  
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135 135  
136 136  
137 137  
138 -
139 -
140 140  == 1.6  Pin mapping and power on ==
141 141  
142 142  
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144 144  
145 145  
146 146  
147 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
149 += 2.  Configure LDDS45 to connect to LoRaWAN network =
148 148  
149 149  == 2.1  How it works ==
150 150  
151 151  (((
152 -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
153 153  )))
154 154  
155 155  (((
156 -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.
157 157  )))
158 158  
159 159  
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291 291  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
292 292  * 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.
293 293  
296 +
297 +
294 294  === 2.3.3  Interrupt Pin ===
295 295  
296 296  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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866 866  * Solid ON for 5 seconds once device successful Join the network.
867 867  * Blink once when device transmit a packet.
868 868  
873 +
874 +
869 869  == 2.8  ​Firmware Change Log ==
870 870  
871 871  
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1056 1056  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1057 1057  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1058 1058  )))
1065 +)))
1059 1059  
1060 1060  
1061 -
1062 -)))
1063 1063  
1069 +
1070 +
1064 1064  == 3.3  Set Interrupt Mode ==
1065 1065  
1066 1066  Feature, Set Interrupt mode for GPIO_EXIT.
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1082 1082  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1084 1084  
1092 +
1085 1085  = 4.  FAQ =
1086 1086  
1087 1087  == 4.1  What is the frequency plan for LDDS75? ==
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1142 1142  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1143 1143  
1144 1144  
1153 +
1145 1145  = 7. ​ Packing Info =
1146 1146  
1147 1147  
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1157 1157  * Weight / pcs : g
1158 1158  
1159 1159  
1169 +
1160 1160  = 8.  ​Support =
1161 1161  
1162 1162  * 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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