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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... ... @@ -63,9 +63,6 @@ 63 63 * Downlink to change configure 64 64 * 8500mAh Battery for long term use 65 65 66 - 67 - 68 - 69 69 == 1.3 Probe Specification == 70 70 71 71 * Storage temperature :-20℃~~75℃ ... ... @@ -81,9 +81,6 @@ 81 81 * Material of enclosure - ABS+PC 82 82 * Wire length - 25cm 83 83 84 - 85 - 86 - 87 87 == 1.4 Probe Dimension == 88 88 89 89 ... ... @@ -474,6 +474,7 @@ 474 474 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 475 475 * 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) 476 476 471 + 477 477 === 2.6.3 CN470-510 (CN470) === 478 478 479 479 ((( ... ... @@ -584,6 +584,7 @@ 584 584 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 585 585 * 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) 586 586 582 + 587 587 === 2.6.5 AS920-923 & AS923-925 (AS923) === 588 588 589 589 ((( ... ... @@ -837,37 +837,25 @@ 837 837 [[image:1654831774373-275.png]] 838 838 839 839 840 -((( 841 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 842 -))) 836 +①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 843 843 844 -((( 845 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 846 -))) 838 +②Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 847 847 848 -((( 849 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 850 -))) 840 +③Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 851 851 852 852 853 -((( 854 854 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: 855 -))) 856 856 857 857 858 858 [[image:1654831797521-720.png]] 859 859 860 860 861 -((( 862 862 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. 863 -))) 864 864 865 865 [[image:1654831810009-716.png]] 866 866 867 867 868 -((( 869 869 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. 870 -))) 871 871 872 872 873 873 ... ... @@ -880,81 +880,56 @@ 880 880 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 881 881 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 882 882 867 + 883 883 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 884 884 885 885 ((( 886 -((( 887 887 Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 888 888 ))) 889 -))) 890 890 891 891 * ((( 892 -((( 893 893 AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 894 894 ))) 895 -))) 896 896 * ((( 897 -((( 898 898 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 899 899 ))) 900 -))) 901 901 902 902 ((( 903 -((( 904 904 905 -))) 906 906 907 -((( 908 908 There are two kinds of commands to configure LLDS12, they are: 909 909 ))) 910 -))) 911 911 912 912 * ((( 913 -((( 914 914 (% style="color:#4f81bd" %)** General Commands**. 915 915 ))) 916 -))) 917 917 918 918 ((( 919 -((( 920 920 These commands are to configure: 921 921 ))) 922 -))) 923 923 924 924 * ((( 925 -((( 926 926 General system settings like: uplink interval. 927 927 ))) 928 -))) 929 929 * ((( 930 -((( 931 931 LoRaWAN protocol & radio related command. 932 932 ))) 933 -))) 934 934 935 935 ((( 936 -((( 937 937 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]] 938 938 ))) 939 -))) 940 940 941 941 ((( 942 -((( 943 943 944 944 ))) 945 -))) 946 946 947 947 * ((( 948 -((( 949 949 (% style="color:#4f81bd" %)** Commands special design for LLDS12** 950 950 ))) 951 -))) 952 952 953 953 ((( 954 -((( 955 955 These commands only valid for LLDS12, as below: 956 956 ))) 957 -))) 958 958 959 959 960 960 ... ... @@ -967,6 +967,7 @@ 967 967 [[image:image-20220607171554-8.png]] 968 968 969 969 929 + 970 970 ((( 971 971 (% style="color:#037691" %)**Downlink Command: 0x01** 972 972 ))) ... ... @@ -989,7 +989,6 @@ 989 989 990 990 ))) 991 991 992 - 993 993 == 4.2 Set Interrupt Mode == 994 994 995 995 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1019,6 +1019,7 @@ 1019 1019 ))) 1020 1020 1021 1021 981 + 1022 1022 == 4.3 Get Firmware Version Info == 1023 1023 1024 1024 Feature: use downlink to get firmware version. ... ... @@ -1215,14 +1215,10 @@ 1215 1215 1216 1216 1217 1217 ((( 1218 -((( 1219 1219 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1220 -))) 1221 1221 1222 -((( 1223 1223 LLDS12 will output system info once power on as below: 1224 1224 ))) 1225 -))) 1226 1226 1227 1227 1228 1228 [[image:1654593712276-618.png]] ... ... @@ -1243,9 +1243,7 @@ 1243 1243 == 8.1 AT Commands input doesn’t work == 1244 1244 1245 1245 1246 -((( 1247 1247 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. 1248 -))) 1249 1249 1250 1250 1251 1251 == 8.2 Significant error between the output distant value of LiDAR and actual distance ==