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 ... ... @@ -100,9 +100,6 @@ 100 100 * Automatic control 101 101 * Sewer 102 102 103 - 104 - 105 - 106 106 == 1.6 Pin mapping and power on == 107 107 108 108 ... ... @@ -309,9 +309,6 @@ 309 309 |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]] 310 310 |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]] 311 311 312 - 313 - 314 - 315 315 === 2.3.8 Decode payload in The Things Network === 316 316 317 317 While using TTN network, you can add the payload format to decode the payload. ... ... @@ -480,9 +480,6 @@ 480 480 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 481 481 * 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) 482 482 483 - 484 - 485 - 486 486 === 2.6.3 CN470-510 (CN470) === 487 487 488 488 ((( ... ... @@ -593,9 +593,6 @@ 593 593 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 594 594 * 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) 595 595 596 - 597 - 598 - 599 599 === 2.6.5 AS920-923 & AS923-925 (AS923) === 600 600 601 601 ((( ... ... @@ -849,37 +849,25 @@ 849 849 [[image:1654831774373-275.png]] 850 850 851 851 852 -((( 853 853 (% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 854 -))) 855 855 856 -((( 857 857 (% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 858 -))) 859 859 860 -((( 861 861 (% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 862 -))) 863 863 864 864 865 -((( 866 866 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: 867 -))) 868 868 869 869 870 870 [[image:1654831797521-720.png]] 871 871 872 872 873 -((( 874 874 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. 875 -))) 876 876 877 877 [[image:1654831810009-716.png]] 878 878 879 879 880 -((( 881 881 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. 882 -))) 883 883 884 884 885 885 ... ... @@ -892,81 +892,57 @@ 892 892 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 893 893 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 894 894 865 + 866 + 895 895 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 896 896 897 897 ((( 898 -((( 899 899 Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 900 900 ))) 901 -))) 902 902 903 903 * ((( 904 -((( 905 905 AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 906 906 ))) 907 -))) 908 908 * ((( 909 -((( 910 910 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 911 911 ))) 912 -))) 913 913 914 914 ((( 915 -((( 916 916 917 -))) 918 918 919 -((( 920 920 There are two kinds of commands to configure LLDS12, they are: 921 921 ))) 922 -))) 923 923 924 924 * ((( 925 -((( 926 926 (% style="color:#4f81bd" %)** General Commands**. 927 927 ))) 928 -))) 929 929 930 930 ((( 931 -((( 932 932 These commands are to configure: 933 933 ))) 934 -))) 935 935 936 936 * ((( 937 -((( 938 938 General system settings like: uplink interval. 939 939 ))) 940 -))) 941 941 * ((( 942 -((( 943 943 LoRaWAN protocol & radio related command. 944 944 ))) 945 -))) 946 946 947 947 ((( 948 -((( 949 949 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]] 950 950 ))) 951 -))) 952 952 953 953 ((( 954 -((( 955 955 956 956 ))) 957 -))) 958 958 959 959 * ((( 960 -((( 961 961 (% style="color:#4f81bd" %)** Commands special design for LLDS12** 962 962 ))) 963 -))) 964 964 965 965 ((( 966 -((( 967 967 These commands only valid for LLDS12, as below: 968 968 ))) 969 -))) 970 970 971 971 972 972 ... ... @@ -979,6 +979,7 @@ 979 979 [[image:image-20220607171554-8.png]] 980 980 981 981 928 + 982 982 ((( 983 983 (% style="color:#037691" %)**Downlink Command: 0x01** 984 984 ))) ... ... @@ -1001,7 +1001,6 @@ 1001 1001 1002 1002 ))) 1003 1003 1004 - 1005 1005 == 4.2 Set Interrupt Mode == 1006 1006 1007 1007 Feature, Set Interrupt mode for GPIO_EXIT. ... ... @@ -1030,7 +1030,6 @@ 1030 1030 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1031 1031 ))) 1032 1032 1033 - 1034 1034 == 4.3 Get Firmware Version Info == 1035 1035 1036 1036 Feature: use downlink to get firmware version. ... ... @@ -1227,14 +1227,10 @@ 1227 1227 1228 1228 1229 1229 ((( 1230 -((( 1231 1231 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1232 -))) 1233 1233 1234 -((( 1235 1235 LLDS12 will output system info once power on as below: 1236 1236 ))) 1237 -))) 1238 1238 1239 1239 1240 1240 [[image:1654593712276-618.png]] ... ... @@ -1255,9 +1255,7 @@ 1255 1255 == 8.1 AT Commands input doesn’t work == 1256 1256 1257 1257 1258 -((( 1259 1259 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. 1260 -))) 1261 1261 1262 1262 1263 1263 == 8.2 Significant error between the output distant value of LiDAR and actual distance ==