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From version < 124.5 >
edited by Xiaoling
on 2022/06/10 16:04
To version < 119.5 >
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18 18  
19 19  
20 20  (((
21 -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.
21 +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.
22 22  
23 23  
24 -It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
24 +It detects the distance** (% style="color:#4472C4" %) between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
25 25  
26 26  
27 27  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.
28 28  
29 29  
30 -LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
30 +LDDS75 is powered by **(% style="color:#4472C4" %) 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
31 31  
32 32  
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  
40 40  
41 -[[image:1654847051249-359.png]]
41 +[[image:1654826306458-414.png]]
42 42  
43 43  
44 44  
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45 45  == ​1.2  Features ==
46 46  
47 47  * LoRaWAN 1.0.3 Class A
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
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
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 -* IP66 Waterproof Enclosure
58 -* 4000mAh or 8500mAh Battery for long term use
57 +* 8500mAh Battery for long term use
59 59  
59 +== 1.3  Probe Specification ==
60 60  
61 -== 1.3  Specification ==
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 62  
63 -=== 1.3.1  Rated environmental conditions ===
74 +== 1.4  Probe Dimension ==
64 64  
65 -[[image:image-20220610154839-1.png]]
66 66  
67 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
77 +[[image:1654827224480-952.png]]
68 68  
69 -**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)**
70 70  
71 -
72 -
73 -=== 1.3.2  Effective measurement range Reference beam pattern ===
74 -
75 -**(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"]]
76 -
77 -
78 -
79 -**(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"]]
80 -
81 -(% style="display:none" %) (%%)
82 -
83 -
84 84  == 1.5 ​ Applications ==
85 85  
86 86  * Horizontal distance measurement
87 -* Liquid level measurement
88 88  * Parking management system
89 89  * Object proximity and presence detection
90 90  * Intelligent trash can management system
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91 91  * Robot obstacle avoidance
92 92  * Automatic control
93 93  * Sewer
94 -* Bottom water level monitoring
95 95  
96 -
97 -
98 98  == 1.6  Pin mapping and power on ==
99 99  
100 100  
101 -[[image:1654847583902-256.png]]
93 +[[image:1654827332142-133.png]]
102 102  
103 103  
104 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
96 += 2.  Configure LLDS12 to connect to LoRaWAN network =
105 105  
106 106  == 2.1  How it works ==
107 107  
108 108  (((
109 -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
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.
110 110  )))
111 111  
112 112  (((
113 -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.
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.
114 114  )))
115 115  
116 116  
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805 805  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
806 806  * Blink once when device transmit a packet.
807 807  
800 +
808 808  == 2.8  ​Firmware Change Log ==
809 809  
810 810  
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1281 1281  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1282 1282  
1283 1283  
1277 +
1284 1284  = 10. ​ Packing Info =
1285 1285  
1286 1286  
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1296 1296  * Weight / pcs : g
1297 1297  
1298 1298  
1293 +
1299 1299  = 11.  ​Support =
1300 1300  
1301 1301  * 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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