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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... ... @@ -485,15 +485,14 @@ 485 485 * Reply to the confirmation package: 14 01 486 486 * Reply to non-confirmed packet: 14 00 487 487 488 +== 2.8 Frequency Plans == 488 488 489 -== 2.6 Frequency Plans == 490 - 491 491 ((( 492 -The L LDS12uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.491 +The LSPH01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 493 493 ))) 494 494 495 495 496 -=== 2. 6.1495 +=== 2.8.1 EU863-870 (EU868) === 497 497 498 498 ((( 499 499 (% style="color:blue" %)**Uplink:** ... ... @@ -553,7 +553,7 @@ 553 553 554 554 555 555 556 -=== 2. 6.2555 +=== 2.8.2 US902-928(US915) === 557 557 558 558 ((( 559 559 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document. ... ... @@ -570,11 +570,8 @@ 570 570 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 571 571 * 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) 572 572 572 +=== 2.8.3 CN470-510 (CN470) === 573 573 574 - 575 - 576 -=== 2.6.3 CN470-510 (CN470) === 577 - 578 578 ((( 579 579 Used in China, Default use CHE=1 580 580 ))) ... ... @@ -661,9 +661,8 @@ 661 661 662 662 663 663 660 +=== 2.8.4 AU915-928(AU915) === 664 664 665 -=== 2.6.4 AU915-928(AU915) === 666 - 667 667 ((( 668 668 Frequency band as per definition in LoRaWAN 1.0.3 Regional document. 669 669 ))) ... ... @@ -683,10 +683,8 @@ 683 683 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 684 684 * 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) 685 685 681 +=== 2.8.5 AS920-923 & AS923-925 (AS923) === 686 686 687 - 688 -=== 2.6.5 AS920-923 & AS923-925 (AS923) === 689 - 690 690 ((( 691 691 (% style="color:blue" %)**Default Uplink channel:** 692 692 ))) ... ... @@ -793,9 +793,8 @@ 793 793 794 794 795 795 789 +=== 2.8.6 KR920-923 (KR920) === 796 796 797 -=== 2.6.6 KR920-923 (KR920) === 798 - 799 799 ((( 800 800 (% style="color:blue" %)**Default channel:** 801 801 ))) ... ... @@ -866,9 +866,8 @@ 866 866 867 867 868 868 861 +=== 2.8.7 IN865-867 (IN865) === 869 869 870 -=== 2.6.7 IN865-867 (IN865) === 871 - 872 872 ((( 873 873 (% style="color:blue" %)**Uplink:** 874 874 ))) ... ... @@ -903,24 +903,24 @@ 903 903 904 904 905 905 897 +== 2.9 LED Indicator == 906 906 907 - ==2.7LEDIndicator==899 +The LSPH01 has an internal LED which is to show the status of different state. 908 908 909 -The LLDS12 has an internal LED which is to show the status of different state. 910 - 911 911 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. 912 912 * Blink once when device transmit a packet. 913 913 914 -== 2. 8Firmware Change Log ==904 +== 2.10 Firmware Change Log == 915 915 916 916 917 -**Firmware download link: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]907 +**Firmware download link:** 918 918 909 +[[http:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]] 919 919 911 + 920 920 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 921 921 922 922 923 - 924 924 = 3. LiDAR ToF Measurement = 925 925 926 926 == 3.1 Principle of Distance Measurement == ... ... @@ -927,7 +927,7 @@ 927 927 928 928 The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below. 929 929 930 -[[image: 1654831757579-263.png]]921 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] 931 931 932 932 933 933 ... ... @@ -935,7 +935,7 @@ 935 935 936 936 With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below: 937 937 938 -[[image: 1654831774373-275.png]]929 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]] 939 939 940 940 941 941 ①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. ... ... @@ -948,12 +948,12 @@ 948 948 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: 949 949 950 950 951 -[[image: 1654831797521-720.png]]942 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]] 952 952 953 953 954 954 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. 955 955 956 -[[image: 1654831810009-716.png]]947 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]] 957 957 958 958 959 959 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. ... ... @@ -969,6 +969,8 @@ 969 969 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 970 970 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 971 971 963 + 964 + 972 972 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 973 973 974 974 ((( ... ... @@ -1083,6 +1083,8 @@ 1083 1083 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1084 1084 ))) 1085 1085 1079 + 1080 + 1086 1086 == 4.3 Get Firmware Version Info == 1087 1087 1088 1088 Feature: use downlink to get firmware version. ... ... @@ -1094,6 +1094,7 @@ 1094 1094 * Reply to the confirmation package: 26 01 1095 1095 * Reply to non-confirmed packet: 26 00 1096 1096 1092 + 1097 1097 Device will send an uplink after got this downlink command. With below payload: 1098 1098 1099 1099 Configures info payload: ... ... @@ -1346,6 +1346,7 @@ 1346 1346 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1347 1347 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1348 1348 1345 + 1349 1349 = 10. Packing Info = 1350 1350 1351 1351 ... ... @@ -1360,6 +1360,7 @@ 1360 1360 * Package Size / pcs : cm 1361 1361 * Weight / pcs : g 1362 1362 1360 + 1363 1363 = 11. Support = 1364 1364 1365 1365 * 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.