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Title
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1 -LLDS12-LoRaWAN LiDAR ToF Distance Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220610095606-1.png]]
2 +[[image:1654846127817-788.png]]
3 3  
4 -
5 5  **Contents:**
6 6  
7 -{{toc/}}
8 8  
9 9  
10 10  
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14 14  
15 15  = 1.  Introduction =
16 16  
17 -== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
15 +== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
18 18  
19 19  (((
20 20  
21 21  
22 22  (((
23 -The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
24 -)))
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.
25 25  
26 -(((
27 -The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
28 -)))
29 29  
30 -(((
31 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
32 -)))
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.
33 33  
34 -(((
35 -The LoRa wireless technology used in LLDS12 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.
36 -)))
37 37  
38 -(((
39 -LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
40 -)))
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.
41 41  
42 -(((
43 -Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
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*.
31 +
32 +
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 +
35 +
36 +(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
44 44  )))
45 45  )))
46 46  
47 47  
48 -[[image:1654826306458-414.png]]
41 +[[image:1654847051249-359.png]]
49 49  
50 50  
51 51  
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52 52  == ​1.2  Features ==
53 53  
54 54  * LoRaWAN 1.0.3 Class A
55 -* Ultra-low power consumption
56 -* Laser technology for distance detection
57 -* Operating Range - 0.1m~~12m①
58 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
59 -* 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
60 60  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
61 61  * AT Commands to change parameters
62 62  * Uplink on periodically
63 63  * Downlink to change configure
64 -* 8500mAh Battery for long term use
57 +* IP66 Waterproof Enclosure
58 +* 4000mAh or 8500mAh Battery for long term use
65 65  
66 66  
61 +== 1.3  Specification ==
67 67  
68 -== 1.3  Probe Specification ==
63 +=== 1.3.1  Rated environmental conditions ===
69 69  
70 -* Storage temperature ：-20℃~~75℃
71 -* Operating temperature - -20℃~~60℃
72 -* Operating Range - 0.1m~~12m①
73 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
74 -* Distance resolution - 5mm
75 -* Ambient light immunity - 70klux
76 -* Enclosure rating - IP65
77 -* Light source - LED
78 -* Central wavelength - 850nm
79 -* FOV - 3.6°
80 -* Material of enclosure - ABS+PC
81 -* Wire length - 25cm
65 +[[image:image-20220610154839-1.png]]
82 82  
67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
83 83  
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)**
84 84  
85 -== 1.4  Probe Dimension ==
86 86  
87 87  
88 -[[image:1654827224480-952.png]]
73 +=== 1.3.2  Effective measurement range Reference beam pattern ===
89 89  
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"]]
90 90  
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 +
91 91  == 1.5 ​ Applications ==
92 92  
93 93  * Horizontal distance measurement
87 +* Liquid level measurement
94 94  * Parking management system
95 95  * Object proximity and presence detection
96 96  * Intelligent trash can management system
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97 97  * Robot obstacle avoidance
98 98  * Automatic control
99 99  * Sewer
94 +* Bottom water level monitoring
100 100  
101 101  
102 102  
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103 103  == 1.6  Pin mapping and power on ==
104 104  
105 105  
106 -[[image:1654827332142-133.png]]
101 +[[image:1654847583902-256.png]]
107 107  
108 108  
109 109  = 2.  Configure LLDS12 to connect to LoRaWAN network =
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306 306  |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
307 307  |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
308 308  
309 -
310 -
311 311  === 2.3.8  Decode payload in The Things Network ===
312 312  
313 313  While using TTN network, you can add the payload format to decode the payload.
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476 476  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
477 477  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
478 478  
479 -
480 -
481 481  === 2.6.3  CN470-510 (CN470) ===
482 482  
483 483  (((
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588 588  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
589 589  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
590 590  
591 -
592 -
593 593  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
594 594  
595 595  (((
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816 816  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
817 817  * Blink once when device transmit a packet.
818 818  
819 -
820 -
821 821  == 2.8  ​Firmware Change Log ==
822 822  
823 823  
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888 888  * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
889 889  * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
890 890  
891 -
892 -
893 893  = 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
894 894  
895 895  (((
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996 996  Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
997 997  )))
998 998  
999 -
1000 -
1001 1001  == 4.2  Set Interrupt Mode ==
1002 1002  
1003 1003  Feature, Set Interrupt mode for GPIO_EXIT.
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1026 1026  Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1027 1027  )))
1028 1028  
1029 -
1030 -
1031 1031  == 4.3  Get Firmware Version Info ==
1032 1032  
1033 1033  Feature: use downlink to get firmware version.
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1300 1300  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1301 1301  
1302 1302  
1303 -
1304 1304  = 10. ​ Packing Info =
1305 1305  
1306 1306  
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1316 1316  * Weight / pcs : g
1317 1317  
1318 1318  
1319 -
1320 1320  = 11.  ​Support =
1321 1321  
1322 1322  * 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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