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1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LLDS12-LoRaWAN LiDAR ToF Distance Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:image-20220610095606-1.png]]
3 3  
4 +
4 4  **Contents:**
5 5  
7 +{{toc/}}
6 6  
7 7  
8 8  
... ... @@ -12,33 +12,38 @@
12 12  
13 13  = 1.  Introduction =
14 14  
15 -== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
17 +== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
16 16  
17 17  (((
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.
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 +)))
22 22  
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 +)))
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.
30 +(((
31 +It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
32 +)))
25 25  
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 +)))
26 26  
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.
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 +)))
28 28  
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
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.
37 37  )))
38 38  )))
39 39  
40 40  
41 -[[image:1654847051249-359.png]]
48 +[[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
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
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
64 +* 8500mAh Battery for long term use
59 59  
60 60  
61 -== 1.3  Specification ==
67 +== 1.3  Probe Specification ==
62 62  
63 -=== 1.3.1  Rated environmental conditions ===
69 +* Storage temperature ：-20℃~~75℃
70 +* Operating temperature - -20℃~~60℃
71 +* Operating Range - 0.1m~~12m①
72 +* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
73 +* Distance resolution - 5mm
74 +* Ambient light immunity - 70klux
75 +* Enclosure rating - IP65
76 +* Light source - LED
77 +* Central wavelength - 850nm
78 +* FOV - 3.6°
79 +* Material of enclosure - ABS+PC
80 +* Wire length - 25cm
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);**
83 +== 1.4  Probe Dimension ==
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  
86 +[[image:1654827224480-952.png]]
71 71  
72 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 96  
97 -
98 98  == 1.6  Pin mapping and power on ==
99 99  
100 100  
101 -[[image:1654847583902-256.png]]
103 +[[image:1654827332142-133.png]]
102 102  
103 103  
104 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
106 += 2.  Configure LLDS12 to connect to LoRaWAN network =
105 105  
106 106  == 2.1  How it works ==
107 107  
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301 301  |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
302 302  |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
303 303  
306 +
304 304  === 2.3.8  Decode payload in The Things Network ===
305 305  
306 306  While using TTN network, you can add the payload format to decode the payload.
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469 469  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
470 470  * 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)
471 471  
475 +
472 472  === 2.6.3  CN470-510 (CN470) ===
473 473  
474 474  (((
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579 579  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
580 580  * 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)
581 581  
586 +
582 582  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
583 583  
584 584  (((
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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  
813 +
808 808  == 2.8  ​Firmware Change Log ==
809 809  
810 810  
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875 875  * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
876 876  * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
877 877  
884 +
878 878  = 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
879 879  
880 880  (((
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981 981  Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
982 982  )))
983 983  
991 +
984 984  == 4.2  Set Interrupt Mode ==
985 985  
986 986  Feature, Set Interrupt mode for GPIO_EXIT.
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1009 1009  Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1010 1010  )))
1011 1011  
1020 +
1012 1012  == 4.3  Get Firmware Version Info ==
1013 1013  
1014 1014  Feature: use downlink to get firmware version.
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