Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 120.2 >
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on 2022/06/10 15:44
To version < 127.1 >
edited by Xiaoling
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33 33  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.
34 34  
35 35  
36 -(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
37 37  )))
38 38  )))
39 39  
... ... @@ -45,41 +45,45 @@
45 45  == ​1.2  Features ==
46 46  
47 47  * LoRaWAN 1.0.3 Class A
48 -* Ultra-low power consumption
49 -* Laser technology for distance detection
50 -* Operating Range - 0.1m~~12m①
51 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
52 -* Monitor Battery Level
48 +* Ultra low power consumption
49 +* Distance Detection by Ultrasonic technology
50 +* Flat object range 280mm - 7500mm
51 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
52 +* Cable Length : 25cm
53 53  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
54 54  * AT Commands to change parameters
55 55  * Uplink on periodically
56 56  * Downlink to change configure
57 -* 8500mAh Battery for long term use
57 +* IP66 Waterproof Enclosure
58 +* 4000mAh or 8500mAh Battery for long term use
58 58  
59 -== 1.3  Probe Specification ==
60 +== 1.3  Specification ==
60 60  
61 -* Storage temperature ：-20℃~~75℃
62 -* Operating temperature - -20℃~~60℃
63 -* Operating Range - 0.1m~~12m①
64 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
65 -* Distance resolution - 5mm
66 -* Ambient light immunity - 70klux
67 -* Enclosure rating - IP65
68 -* Light source - LED
69 -* Central wavelength - 850nm
70 -* FOV - 3.6°
71 -* Material of enclosure - ABS+PC
72 -* Wire length - 25cm
62 +=== 1.3.1  Rated environmental conditions ===
73 73  
74 -== 1.4  Probe Dimension ==
64 +[[image:image-20220610154839-1.png]]
75 75  
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
76 76  
77 -[[image:1654827224480-952.png]]
68 +**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)**
78 78  
79 79  
71 +
72 +=== 1.3.2  Effective measurement range Reference beam pattern ===
73 +
74 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
75 +
76 +
77 +
78 +**(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.[[image:image-20220610155021-3.png||height="437" width="1192"]]
79 +
80 +(% style="display:none" %) (%%)
81 +
82 +
80 80  == 1.5 ​ Applications ==
81 81  
82 82  * Horizontal distance measurement
86 +* Liquid level measurement
83 83  * Parking management system
84 84  * Object proximity and presence detection
85 85  * Intelligent trash can management system
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86 86  * Robot obstacle avoidance
87 87  * Automatic control
88 88  * Sewer
93 +* Bottom water level monitoring
89 89  
95 +
90 90  == 1.6  Pin mapping and power on ==
91 91  
92 92  
93 -[[image:1654827332142-133.png]]
99 +[[image:1654847583902-256.png]]
94 94  
95 95  
96 -= 2.  Configure LLDS12 to connect to LoRaWAN network =
102 += 2.  Configure LDDS75 to connect to LoRaWAN network =
97 97  
98 98  == 2.1  How it works ==
99 99  
100 100  (((
101 -The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
107 +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
102 102  )))
103 103  
104 104  (((
105 -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="H6.A0UseATCommand"]]to set the keys in the LLDS12.
111 +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.
106 106  )))
107 107  
108 108  
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113 113  )))
114 114  
115 115  (((
116 -[[image:1654827857527-556.png]]
122 +[[image:1654848616367-242.png]]
117 117  )))
118 118  
119 119  (((
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121 121  )))
122 122  
123 123  (((
124 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
130 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
125 125  )))
126 126  
127 127  (((
128 -Each LSPH01 is shipped with a sticker with the default device EUI as below:
134 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
129 129  )))
130 130  
131 131  [[image:image-20220607170145-1.jpeg]]
132 132  
133 133  
140 +For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
134 134  
135 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
142 +Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
136 136  
137 137  
138 138  **Register the device**
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1272 1272  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1273 1273  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1274 1274  
1275 -
1276 1276  = 10. ​ Packing Info =
1277 1277  
1278 1278  
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1287 1287  * Package Size / pcs : cm
1288 1288  * Weight / pcs : g
1289 1289  
1290 -
1291 1291  = 11.  ​Support =
1292 1292  
1293 1293  * 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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