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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... ... @@ -485,16 +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 - 490 -== 2.6 Frequency Plans == 491 - 492 492 ((( 493 -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. 494 494 ))) 495 495 496 496 497 -=== 2. 6.1495 +=== 2.8.1 EU863-870 (EU868) === 498 498 499 499 ((( 500 500 (% style="color:blue" %)**Uplink:** ... ... @@ -896,24 +896,24 @@ 896 896 897 897 898 898 899 -== 2. 7LED Indicator ==897 +== 2.9 LED Indicator == 900 900 901 -The L LDS12has an internal LED which is to show the status of different state.899 +The LSPH01 has an internal LED which is to show the status of different state. 902 902 903 903 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. 904 904 * Blink once when device transmit a packet. 905 905 904 +== 2.10 Firmware Change Log == 906 906 907 -== 2.8 Firmware Change Log == 908 908 907 +**Firmware download link:** 909 909 910 - **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/]]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/]] 911 911 912 912 913 913 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 914 914 915 915 916 - 917 917 = 3. LiDAR ToF Measurement = 918 918 919 919 == 3.1 Principle of Distance Measurement == ... ... @@ -920,7 +920,7 @@ 920 920 921 921 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. 922 922 923 -[[image: 1654831757579-263.png]]921 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] 924 924 925 925 926 926 ... ... @@ -928,7 +928,7 @@ 928 928 929 929 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: 930 930 931 -[[image: 1654831774373-275.png]]929 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]] 932 932 933 933 934 934 ①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. ... ... @@ -941,12 +941,12 @@ 941 941 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: 942 942 943 943 944 -[[image: 1654831797521-720.png]]942 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]] 945 945 946 946 947 947 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. 948 948 949 -[[image: 1654831810009-716.png]]947 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]] 950 950 951 951 952 952 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. ... ... @@ -962,6 +962,8 @@ 962 962 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 963 963 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 964 964 963 + 964 + 965 965 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 966 966 967 967 ((( ... ... @@ -1076,6 +1076,8 @@ 1076 1076 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1077 1077 ))) 1078 1078 1079 + 1080 + 1079 1079 == 4.3 Get Firmware Version Info == 1080 1080 1081 1081 Feature: use downlink to get firmware version. ... ... @@ -1087,6 +1087,7 @@ 1087 1087 * Reply to the confirmation package: 26 01 1088 1088 * Reply to non-confirmed packet: 26 00 1089 1089 1092 + 1090 1090 Device will send an uplink after got this downlink command. With below payload: 1091 1091 1092 1092 Configures info payload: ... ... @@ -1339,6 +1339,7 @@ 1339 1339 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1340 1340 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1341 1341 1345 + 1342 1342 = 10. Packing Info = 1343 1343 1344 1344 ... ... @@ -1353,6 +1353,7 @@ 1353 1353 * Package Size / pcs : cm 1354 1354 * Weight / pcs : g 1355 1355 1360 + 1356 1356 = 11. Support = 1357 1357 1358 1358 * 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.