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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... ... @@ -327,9 +327,9 @@ 327 327 328 328 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 329 329 330 -(% style="color:blue" %)**Step 4**(%%)**: Create L LDS12product.**330 +(% style="color:blue" %)**Step 4**(%%)**: Create LSPH01 product.** 331 331 332 -[[image:1654 832691989-514.png]]332 +[[image:1654592819047-535.png]] 333 333 334 334 335 335 ... ... @@ -336,42 +336,165 @@ 336 336 [[image:1654592833877-762.png]] 337 337 338 338 339 -[[image:1654 832740634-933.png]]339 +[[image:1654592856403-259.png]] 340 340 341 341 342 - 343 343 ((( 344 344 (% style="color:blue" %)**Step 5**(%%)**: add payload decode** 345 345 ))) 346 346 347 347 ((( 347 +Download Datacake decoder from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/LSPH01/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSNPK01/Decoder/]] 348 +))) 349 + 350 + 351 +[[image:1654592878525-845.png]] 352 + 353 +[[image:1654592892967-474.png]] 354 + 355 + 356 +[[image:1654592905354-123.png]] 357 + 358 + 359 +After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 360 + 361 + 362 +[[image:1654592917530-261.png]] 363 + 364 + 365 + 366 +== 2.6 Installation and Maintain == 367 + 368 +=== 2.6.1 Before measurement === 369 + 370 +((( 371 +((( 372 +If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 373 +))) 374 +))) 375 + 376 + 377 + 378 +=== 2.6.2 Measurement === 379 + 380 + 381 +((( 382 +(% style="color:#4f81bd" %)**Measurement the soil surface:** 383 +))) 384 + 385 +((( 386 +[[image:1654592946732-634.png]] 387 +))) 388 + 389 +((( 390 +Choose the proper measuring position. Split the surface soil according to the measured deep. 391 +))) 392 + 393 +((( 394 +Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things. 395 +))) 396 + 397 +((( 398 +Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting. 399 +))) 400 + 401 +((( 402 +Put soil over the probe after insert. And start to measure. 403 +))) 404 + 405 +((( 348 348 349 349 ))) 350 350 351 -[[image:1654833065139-942.png]] 409 +((( 410 +(% style="color:#4f81bd" %)**Measurement inside soil:** 411 +))) 352 352 413 +((( 414 +Dig a hole with diameter > 20CM. 415 +))) 353 353 417 +((( 418 +Insert the probe inside, method like measure the surface. 419 +))) 354 354 355 -[[image:1654833092678-390.png]] 356 356 357 357 423 +=== 2.6.3 Maintain Probe === 358 358 359 -After added, the sensor data arrive TTN, it will also arrive and show in Datacake. 425 +1. ((( 426 +pH probe electrode is fragile and no strong. User must avoid strong force or hitting it. 427 +))) 428 +1. ((( 429 +After long time use (3~~ 6 months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it. 430 +))) 431 +1. ((( 432 +Probe reference electrode is also no strong, need to avoid strong force or hitting. 433 +))) 434 +1. ((( 435 +User should keep reference electrode wet while not use. 436 +))) 437 +1. ((( 438 +Avoid the probes to touch oily matter. Which will cause issue in accuracy. 439 +))) 440 +1. ((( 441 +The probe is IP68 can be put in water. 360 360 361 -[[image:1654833163048-332.png]] 362 362 444 + 445 +))) 363 363 447 +== 2.7 Calibration == 364 364 365 -== 2.6 Frequency Plans == 449 +((( 450 +User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable). 451 +))) 366 366 367 367 ((( 368 - The LLDS12 uses OTAA mode andbelow frequencyplans by default. If userwanttouseit with different frequency plan,please refer the ATcommandsets.454 +After stable, user can use below command to calibrate. 369 369 ))) 370 370 457 +[[image:image-20220607171149-4.png]] 371 371 372 -=== 2.6.1 EU863-870 (EU868) === 373 373 460 +(% style="color:#037691" %)**Calibration Payload** 461 + 462 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 463 +|=(% style="width: 62.5px;" %)((( 464 +**Size (bytes)** 465 +)))|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**7**|=(% style="width: 89px;" %)**1** 466 +|**Value**|((( 467 +PH4 468 + 469 +Calibrate value 470 +)))|PH6.86 Calibrate value|((( 471 +PH9.18 472 + 473 +Calibrate value 474 +)))|Reserve|((( 475 +[[Message Type>>||anchor="H2.3.6MessageType"]] 476 + 477 +Always 0x03 478 +))) 479 + 480 +User can also send 0x14 downlink command to poll the current calibration payload. 481 + 482 +[[image:image-20220607171416-7.jpeg]] 483 + 484 + 485 +* Reply to the confirmation package: 14 01 486 +* Reply to non-confirmed packet: 14 00 487 + 488 +== 2.8 Frequency Plans == 489 + 374 374 ((( 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. 492 +))) 493 + 494 + 495 +=== 2.8.1 EU863-870 (EU868) === 496 + 497 +((( 375 375 (% style="color:blue" %)**Uplink:** 376 376 ))) 377 377 ... ... @@ -429,7 +429,7 @@ 429 429 430 430 431 431 432 -=== 2. 6.2555 +=== 2.8.2 US902-928(US915) === 433 433 434 434 ((( 435 435 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document. ... ... @@ -446,9 +446,8 @@ 446 446 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 447 447 * 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) 448 448 572 +=== 2.8.3 CN470-510 (CN470) === 449 449 450 -=== 2.6.3 CN470-510 (CN470) === 451 - 452 452 ((( 453 453 Used in China, Default use CHE=1 454 454 ))) ... ... @@ -535,9 +535,8 @@ 535 535 536 536 537 537 660 +=== 2.8.4 AU915-928(AU915) === 538 538 539 -=== 2.6.4 AU915-928(AU915) === 540 - 541 541 ((( 542 542 Frequency band as per definition in LoRaWAN 1.0.3 Regional document. 543 543 ))) ... ... @@ -557,7 +557,7 @@ 557 557 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 558 558 * 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) 559 559 560 -=== 2. 6.5 AS920-923 & AS923-925 (AS923) ===681 +=== 2.8.5 AS920-923 & AS923-925 (AS923) === 561 561 562 562 ((( 563 563 (% style="color:blue" %)**Default Uplink channel:** ... ... @@ -665,9 +665,8 @@ 665 665 666 666 667 667 789 +=== 2.8.6 KR920-923 (KR920) === 668 668 669 -=== 2.6.6 KR920-923 (KR920) === 670 - 671 671 ((( 672 672 (% style="color:blue" %)**Default channel:** 673 673 ))) ... ... @@ -738,9 +738,8 @@ 738 738 739 739 740 740 861 +=== 2.8.7 IN865-867 (IN865) === 741 741 742 -=== 2.6.7 IN865-867 (IN865) === 743 - 744 744 ((( 745 745 (% style="color:blue" %)**Uplink:** 746 746 ))) ... ... @@ -775,74 +775,25 @@ 775 775 776 776 777 777 897 +== 2.9 LED Indicator == 778 778 779 - ==2.7LEDIndicator==899 +The LSPH01 has an internal LED which is to show the status of different state. 780 780 781 -The LLDS12 has an internal LED which is to show the status of different state. 782 - 783 783 * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. 784 784 * Blink once when device transmit a packet. 785 785 904 +== 2.10 Firmware Change Log == 786 786 787 787 788 - == 2.8 FirmwareChange Log==907 +**Firmware download link:** 789 789 909 +[[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/]] 790 790 791 -**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/]] 792 792 793 - 794 794 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 795 795 796 796 797 797 798 -= 3. LiDAR ToF Measurement = 799 - 800 -== 3.1 Principle of Distance Measurement == 801 - 802 -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. 803 - 804 -[[image:1654831757579-263.png]] 805 - 806 - 807 - 808 -== 3.2 Distance Measurement Characteristics == 809 - 810 -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: 811 - 812 -[[image:1654831774373-275.png]] 813 - 814 - 815 -①Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable. 816 - 817 -②Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m. 818 - 819 -③Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m. 820 - 821 - 822 -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: 823 - 824 - 825 -[[image:1654831797521-720.png]] 826 - 827 - 828 -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. 829 - 830 -[[image:1654831810009-716.png]] 831 - 832 - 833 -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. 834 - 835 - 836 - 837 -== 3.3 Notice of usage: == 838 - 839 -Possible invalid /wrong reading for LiDAR ToF tech: 840 - 841 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings. 842 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong. 843 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 844 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 845 - 846 846 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 847 847 848 848 ((( ... ... @@ -957,6 +957,8 @@ 957 957 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 958 958 ))) 959 959 1030 + 1031 + 960 960 == 4.3 Get Firmware Version Info == 961 961 962 962 Feature: use downlink to get firmware version. ... ... @@ -968,6 +968,7 @@ 968 968 * Reply to the confirmation package: 26 01 969 969 * Reply to non-confirmed packet: 26 00 970 970 1043 + 971 971 Device will send an uplink after got this downlink command. With below payload: 972 972 973 973 Configures info payload: ... ... @@ -1220,6 +1220,7 @@ 1220 1220 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 1221 1221 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 1222 1222 1296 + 1223 1223 = 10. Packing Info = 1224 1224 1225 1225 ... ... @@ -1234,8 +1234,10 @@ 1234 1234 * Package Size / pcs : cm 1235 1235 * Weight / pcs : g 1236 1236 1311 + 1237 1237 = 11. Support = 1238 1238 1239 1239 * 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. 1240 1240 * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]. 1241 1241 1317 +
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