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Last modified by Xiaoling on 2025/04/27 16:45
From version 110.1
edited by Xiaoling
on 2022/06/10 13:57
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To version 125.2
edited by Xiaoling
on 2022/06/10 16:13
Change comment: There is no comment for this version

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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
... ... @@ -1,10 +1,8 @@
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  
... ... @@ -14,38 +14,33 @@
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  
... ... @@ -52,42 +52,45 @@
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 -== 1.3  Probe Specification ==
60 +== 1.3  Specification ==
67 67  
68 -* Storage temperature ：-20℃~~75℃
69 -* Operating temperature - -20℃~~60℃
70 -* Operating Range - 0.1m~~12m①
71 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
72 -* Distance resolution - 5mm
73 -* Ambient light immunity - 70klux
74 -* Enclosure rating - IP65
75 -* Light source - LED
76 -* Central wavelength - 850nm
77 -* FOV - 3.6°
78 -* Material of enclosure - ABS+PC
79 -* Wire length - 25cm
62 +=== 1.3.1  Rated environmental conditions ===
80 80  
81 -== 1.4  Probe Dimension ==
64 +[[image:image-20220610154839-1.png]]
82 82  
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
83 83  
84 -[[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)**
85 85  
86 86  
87 87  
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 +
88 88  == 1.5 ​ Applications ==
89 89  
90 90  * Horizontal distance measurement
86 +* Liquid level measurement
91 91  * Parking management system
92 92  * Object proximity and presence detection
93 93  * Intelligent trash can management system
... ... @@ -94,25 +94,25 @@
94 94  * Robot obstacle avoidance
95 95  * Automatic control
96 96  * Sewer
93 +* Bottom water level monitoring
97 97  
95 +
98 98  == 1.6  Pin mapping and power on ==
99 99  
100 100  
101 -[[image:1654827332142-133.png]]
99 +[[image:1654847583902-256.png]]
102 102  
103 103  
102 += 2.  Configure LDDS75 to connect to LoRaWAN network =
104 104  
105 -
106 -= 2.  Configure LLDS12 to connect to LoRaWAN network =
107 -
108 108  == 2.1  How it works ==
109 109  
110 110  (((
111 -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
112 112  )))
113 113  
114 114  (((
115 -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.UseATCommand"]]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.
116 116  )))
117 117  
118 118  
... ... @@ -123,7 +123,7 @@
123 123  )))
124 124  
125 125  (((
126 -[[image:1654827857527-556.png]]
122 +[[image:1654848616367-242.png]]
127 127  )))
128 128  
129 129  (((
... ... @@ -131,18 +131,19 @@
131 131  )))
132 132  
133 133  (((
134 -(% 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.
135 135  )))
136 136  
137 137  (((
138 -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.
139 139  )))
140 140  
141 141  [[image:image-20220607170145-1.jpeg]]
142 142  
143 143  
140 +For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
144 144  
145 -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:
146 146  
147 147  
148 148  **Register the device**
... ... @@ -203,14 +203,12 @@
203 203  |=(% style="width: 62.5px;" %)(((
204 204  **Size (bytes)**
205 205  )))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
206 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
207 -[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
208 -
209 -[[DS18B20>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
210 -)))|[[Distance>>||anchor="H"]]|[[Distance signal strength>>||anchor="H2.3.4SoilTemperature"]]|(((
211 -[[Interrupt flag>>||anchor="H2.3.5InterruptPin"]]
212 -)))|[[LiDAR temp>>||anchor="H"]]|(((
213 -[[Message Type>>||anchor="H2.3.6MessageType"]]
203 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
204 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
205 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
206 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
207 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
208 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
214 214  )))
215 215  
216 216  [[image:1654833689380-972.png]]
... ... @@ -267,9 +267,9 @@
267 267  
268 268  === 2.3.5  Interrupt Pin ===
269 269  
270 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
265 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
271 271  
272 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>path:#pins]].
267 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
273 273  
274 274  **Example:**
275 275  
... ... @@ -302,11 +302,9 @@
302 302  
303 303  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
304 304  |=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
305 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
306 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
300 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
301 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
307 307  
308 -
309 -
310 310  === 2.3.8  Decode payload in The Things Network ===
311 311  
312 312  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -319,7 +319,7 @@
319 319  )))
320 320  
321 321  (((
322 -LSPH01 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]]
315 +LLDS12 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/]]
323 323  )))
324 324  
325 325  
... ... @@ -817,7 +817,7 @@
817 817  **Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
818 818  
819 819  
820 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
813 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
821 821  
822 822  
823 823  
... ... @@ -838,25 +838,37 @@
838 838  [[image:1654831774373-275.png]]
839 839  
840 840  
841 -①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
834 +(((
835 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
836 +)))
842 842  
843 -②Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
838 +(((
839 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
840 +)))
844 844  
845 -③Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
842 +(((
843 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
844 +)))
846 846  
847 847  
847 +(((
848 848  Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
849 +)))
849 849  
850 850  
851 851  [[image:1654831797521-720.png]]
852 852  
853 853  
855 +(((
854 854  In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
857 +)))
855 855  
856 856  [[image:1654831810009-716.png]]
857 857  
858 858  
862 +(((
859 859  If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
864 +)))
860 860  
861 861  
862 862  
... ... @@ -872,52 +872,78 @@
872 872  = 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
873 873  
874 874  (((
880 +(((
875 875  Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
876 876  )))
883 +)))
877 877  
878 878  * (((
879 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
886 +(((
887 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
880 880  )))
889 +)))
881 881  * (((
882 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
891 +(((
892 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
883 883  )))
894 +)))
884 884  
885 885  (((
897 +(((
886 886  
899 +)))
887 887  
901 +(((
888 888  There are two kinds of commands to configure LLDS12, they are:
889 889  )))
904 +)))
890 890  
891 891  * (((
907 +(((
892 892  (% style="color:#4f81bd" %)** General Commands**.
893 893  )))
910 +)))
894 894  
895 895  (((
913 +(((
896 896  These commands are to configure:
897 897  )))
916 +)))
898 898  
899 899  * (((
919 +(((
900 900  General system settings like: uplink interval.
901 901  )))
922 +)))
902 902  * (((
924 +(((
903 903  LoRaWAN protocol & radio related command.
904 904  )))
927 +)))
905 905  
906 906  (((
907 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
930 +(((
931 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
908 908  )))
933 +)))
909 909  
910 910  (((
936 +(((
911 911  
912 912  )))
939 +)))
913 913  
914 914  * (((
942 +(((
915 915  (% style="color:#4f81bd" %)** Commands special design for LLDS12**
916 916  )))
945 +)))
917 917  
918 918  (((
948 +(((
919 919  These commands only valid for LLDS12, as below:
920 920  )))
951 +)))
921 921  
922 922  
923 923  
... ... @@ -930,7 +930,6 @@
930 930  [[image:image-20220607171554-8.png]]
931 931  
932 932  
933 -
934 934  (((
935 935  (% style="color:#037691" %)**Downlink Command: 0x01**
936 936  )))
... ... @@ -948,9 +948,6 @@
948 948  )))
949 949  * (((
950 950  Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
951 -
952 -
953 -
954 954  )))
955 955  
956 956  == 4.2  Set Interrupt Mode ==
... ... @@ -962,8 +962,6 @@
962 962  [[image:image-20220610105806-2.png]]
963 963  
964 964  
965 -
966 -
967 967  (((
968 968  (% style="color:#037691" %)**Downlink Command: 0x06**
969 969  )))
... ... @@ -1011,7 +1011,7 @@
1011 1011  
1012 1012  Version
1013 1013  )))|Sensor Type|Reserve|(((
1014 -[[Message Type>>||anchor="H2.3.6MessageType"]]
1039 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1015 1015  Always 0x02
1016 1016  )))
1017 1017  
... ... @@ -1179,13 +1179,19 @@
1179 1179  
1180 1180  
1181 1181  (((
1182 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1207 +(((
1208 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1183 1183  )))
1184 1184  
1211 +(((
1212 +LLDS12 will output system info once power on as below:
1213 +)))
1214 +)))
1185 1185  
1216 +
1186 1186   [[image:1654593712276-618.png]]
1187 1187  
1188 -Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
1219 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1189 1189  
1190 1190  
1191 1191  = 7.  FAQ =
... ... @@ -1192,7 +1192,7 @@
1192 1192  
1193 1193  == 7.1  How to change the LoRa Frequency Bands/Region ==
1194 1194  
1195 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
1226 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1196 1196  When downloading the images, choose the required image file for download. ​
1197 1197  
1198 1198  
... ... @@ -1201,7 +1201,9 @@
1201 1201  == 8.1  AT Commands input doesn’t work ==
1202 1202  
1203 1203  
1235 +(((
1204 1204  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1237 +)))
1205 1205  
1206 1206  
1207 1207  == 8.2  Significant error between the output distant value of LiDAR and actual distance ==
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