<
From version < 111.30 >
edited by Xiaoling
on 2022/06/10 14:52
To version < 111.32 >
edited by Xiaoling
on 2022/06/10 14:53
>
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831 831  [[image:1654831774373-275.png]]
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834 834  (% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
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835 835  
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836 836  (% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
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837 837  
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838 838  (% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
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839 839  
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841 841  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:
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842 842  
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844 844  [[image:1654831797521-720.png]]
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847 847  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.
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848 848  
849 849  [[image:1654831810009-716.png]]
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852 852  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.
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867 867  = 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
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870 870  Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
871 871  )))
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872 872  
873 873  * (((
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874 874  AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
875 875  )))
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876 876  * (((
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877 877  LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
878 878  )))
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879 879  
880 880  (((
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883 883  There are two kinds of commands to configure LLDS12, they are:
884 884  )))
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885 885  
886 886  * (((
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887 887  (% style="color:#4f81bd" %)** General Commands**.
888 888  )))
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889 889  
890 890  (((
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891 891  These commands are to configure:
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893 893  
894 894  * (((
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895 895  General system settings like: uplink interval.
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897 897  * (((
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898 898  LoRaWAN protocol & radio related command.
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900 900  
901 901  (((
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902 902  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]]
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904 904  
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906 906  
907 907  )))
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908 908  
909 909  * (((
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910 910  (% style="color:#4f81bd" %)** Commands special design for LLDS12**
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912 912  
913 913  (((
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914 914  These commands only valid for LLDS12, as below:
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