Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -468,7 +468,6 @@ 468 468 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 469 469 * 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) 470 470 471 - 472 472 === 2.6.3 CN470-510 (CN470) === 473 473 474 474 ((( ... ... @@ -579,7 +579,6 @@ 579 579 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 580 580 * 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) 581 581 582 - 583 583 === 2.6.5 AS920-923 & AS923-925 (AS923) === 584 584 585 585 ((( ... ... @@ -833,25 +833,37 @@ 833 833 [[image:1654831774373-275.png]] 834 834 835 835 836 -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 +))) 837 837 838 -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 +))) 839 839 840 -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 +))) 841 841 842 842 847 +((( 843 843 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 +))) 844 844 845 845 846 846 [[image:1654831797521-720.png]] 847 847 848 848 855 +((( 849 849 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 +))) 850 850 851 851 [[image:1654831810009-716.png]] 852 852 853 853 862 +((( 854 854 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 +))) 855 855 856 856 857 857 ... ... @@ -865,55 +865,82 @@ 865 865 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 866 866 867 867 878 + 868 868 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 869 869 870 870 ((( 882 +((( 871 871 Use can configure LLDS12 via AT Command or LoRaWAN Downlink. 872 872 ))) 885 +))) 873 873 874 874 * ((( 888 +((( 875 875 AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 876 876 ))) 891 +))) 877 877 * ((( 893 +((( 878 878 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]] 879 879 ))) 896 +))) 880 880 881 881 ((( 899 +((( 882 882 901 +))) 883 883 903 +((( 884 884 There are two kinds of commands to configure LLDS12, they are: 885 885 ))) 906 +))) 886 886 887 887 * ((( 909 +((( 888 888 (% style="color:#4f81bd" %)** General Commands**. 889 889 ))) 912 +))) 890 890 891 891 ((( 915 +((( 892 892 These commands are to configure: 893 893 ))) 918 +))) 894 894 895 895 * ((( 921 +((( 896 896 General system settings like: uplink interval. 897 897 ))) 924 +))) 898 898 * ((( 926 +((( 899 899 LoRaWAN protocol & radio related command. 900 900 ))) 929 +))) 901 901 902 902 ((( 932 +((( 903 903 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]] 904 904 ))) 935 +))) 905 905 906 906 ((( 938 +((( 907 907 908 908 ))) 941 +))) 909 909 910 910 * ((( 944 +((( 911 911 (% style="color:#4f81bd" %)** Commands special design for LLDS12** 912 912 ))) 947 +))) 913 913 914 914 ((( 950 +((( 915 915 These commands only valid for LLDS12, as below: 916 916 ))) 953 +))) 917 917 918 918 919 919 ... ... @@ -977,8 +977,6 @@ 977 977 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 978 978 ))) 979 979 980 - 981 - 982 982 == 4.3 Get Firmware Version Info == 983 983 984 984 Feature: use downlink to get firmware version. ... ... @@ -1175,10 +1175,14 @@ 1175 1175 1176 1176 1177 1177 ((( 1213 +((( 1178 1178 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12. 1215 +))) 1179 1179 1217 +((( 1180 1180 LLDS12 will output system info once power on as below: 1181 1181 ))) 1220 +))) 1182 1182 1183 1183 1184 1184 [[image:1654593712276-618.png]]