Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -831,25 +831,37 @@ 831 831 [[image:1654831774373-275.png]] 832 832 833 833 834 -**(% style="color:blue" %)① **(%%)Represents 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 +))) 835 835 836 -**(% style="color:blue" %)② **(%%)Represents 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 +))) 837 837 838 -**(% style="color:blue" %)③ **(%%)Represents 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 +))) 839 839 840 840 847 +((( 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: 849 +))) 842 842 843 843 844 844 [[image:1654831797521-720.png]] 845 845 846 846 855 +((( 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. 857 +))) 848 848 849 849 [[image:1654831810009-716.png]] 850 850 851 851 862 +((( 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. 864 +))) 853 853 854 854 855 855 ... ... @@ -862,55 +862,82 @@ 862 862 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 863 863 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 864 864 877 + 865 865 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 866 866 867 867 ((( 881 +((( 868 868 Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 869 869 ))) 884 +))) 870 870 871 871 * ((( 887 +((( 872 872 AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 873 873 ))) 890 +))) 874 874 * ((( 892 +((( 875 875 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 876 876 ))) 895 +))) 877 877 878 878 ((( 898 +((( 879 879 900 +))) 880 880 902 +((( 881 881 There are two kinds of commands to configure LLDS12, they are: 882 882 ))) 905 +))) 883 883 884 884 * ((( 908 +((( 885 885 (% style="color:#4f81bd" %)** General Commands**. 886 886 ))) 911 +))) 887 887 888 888 ((( 914 +((( 889 889 These commands are to configure: 890 890 ))) 917 +))) 891 891 892 892 * ((( 920 +((( 893 893 General system settings like: uplink interval. 894 894 ))) 923 +))) 895 895 * ((( 925 +((( 896 896 LoRaWAN protocol & radio related command. 897 897 ))) 928 +))) 898 898 899 899 ((( 931 +((( 900 900 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]] 901 901 ))) 934 +))) 902 902 903 903 ((( 937 +((( 904 904 905 905 ))) 940 +))) 906 906 907 907 * ((( 943 +((( 908 908 (% style="color:#4f81bd" %)** Commands special design for LLDS12** 909 909 ))) 946 +))) 910 910 911 911 ((( 949 +((( 912 912 These commands only valid for LLDS12, as below: 913 913 ))) 952 +))) 914 914 915 915 916 916 ... ... @@ -946,6 +946,8 @@ 946 946 947 947 ))) 948 948 988 + 989 + 949 949 == 4.2 Set Interrupt Mode == 950 950 951 951 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -975,6 +975,7 @@ 975 975 ))) 976 976 977 977 1019 + 978 978 == 4.3 Get Firmware Version Info == 979 979 980 980 Feature: use downlink to get firmware version. ... ... @@ -1171,10 +1171,14 @@ 1171 1171 1172 1172 1173 1173 ((( 1216 +((( 1174 1174 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1218 +))) 1175 1175 1220 +((( 1176 1176 LLDS12 will output system info once power on as below: 1177 1177 ))) 1223 +))) 1178 1178 1179 1179 1180 1180 [[image:1654593712276-618.png]] ... ... @@ -1195,7 +1195,9 @@ 1195 1195 == 8.1 AT Commands input doesn’t work == 1196 1196 1197 1197 1244 +((( 1198 1198 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. 1246 +))) 1199 1199 1200 1200 1201 1201 == 8.2 Significant error between the output distant value of LiDAR and actual distance == ... ... @@ -1240,7 +1240,6 @@ 1240 1240 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1241 1241 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1242 1242 1243 - 1244 1244 = 10. Packing Info = 1245 1245 1246 1246 ... ... @@ -1255,7 +1255,6 @@ 1255 1255 * Package Size / pcs : cm 1256 1256 * Weight / pcs : g 1257 1257 1258 - 1259 1259 = 11. Support = 1260 1260 1261 1261 * 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.