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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... ... @@ -363,131 +363,6 @@ 363 363 364 364 365 365 366 -== 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 -((( 406 - 407 -))) 408 - 409 -((( 410 -(% style="color:#4f81bd" %)**Measurement inside soil:** 411 -))) 412 - 413 -((( 414 -Dig a hole with diameter > 20CM. 415 -))) 416 - 417 -((( 418 -Insert the probe inside, method like measure the surface. 419 -))) 420 - 421 - 422 - 423 -=== 2.6.3 Maintain Probe === 424 - 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. 442 - 443 - 444 - 445 -))) 446 - 447 -== 2.7 Calibration == 448 - 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 -))) 452 - 453 -((( 454 -After stable, user can use below command to calibrate. 455 -))) 456 - 457 -[[image:image-20220607171149-4.png]] 458 - 459 - 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 - 489 - 490 - 491 491 == 2.6 Frequency Plans == 492 492 493 493 ((( ... ... @@ -555,7 +555,7 @@ 555 555 556 556 557 557 558 -=== 2. 8.2 US902-928(US915) ===433 +=== 2.6.2 US902-928(US915) === 559 559 560 560 ((( 561 561 Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document. ... ... @@ -572,8 +572,9 @@ 572 572 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 573 573 * 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) 574 574 575 -=== 2.8.3 CN470-510 (CN470) === 576 576 451 +=== 2.6.3 CN470-510 (CN470) === 452 + 577 577 ((( 578 578 Used in China, Default use CHE=1 579 579 ))) ... ... @@ -660,8 +660,9 @@ 660 660 661 661 662 662 663 -=== 2.8.4 AU915-928(AU915) === 664 664 540 +=== 2.6.4 AU915-928(AU915) === 541 + 665 665 ((( 666 666 Frequency band as per definition in LoRaWAN 1.0.3 Regional document. 667 667 ))) ... ... @@ -681,7 +681,7 @@ 681 681 * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band 682 682 * 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) 683 683 684 -=== 2. 8.5 AS920-923 & AS923-925 (AS923) ===561 +=== 2.6.5 AS920-923 & AS923-925 (AS923) === 685 685 686 686 ((( 687 687 (% style="color:blue" %)**Default Uplink channel:** ... ... @@ -789,8 +789,9 @@ 789 789 790 790 791 791 792 -=== 2.8.6 KR920-923 (KR920) === 793 793 670 +=== 2.6.6 KR920-923 (KR920) === 671 + 794 794 ((( 795 795 (% style="color:blue" %)**Default channel:** 796 796 ))) ... ... @@ -861,8 +861,9 @@ 861 861 862 862 863 863 864 -=== 2.8.7 IN865-867 (IN865) === 865 865 743 +=== 2.6.7 IN865-867 (IN865) === 744 + 866 866 ((( 867 867 (% style="color:blue" %)**Uplink:** 868 868 ))) ... ... @@ -897,6 +897,7 @@ 897 897 898 898 899 899 779 + 900 900 == 2.7 LED Indicator == 901 901 902 902 The LLDS12 has an internal LED which is to show the status of different state. ... ... @@ -964,7 +964,6 @@ 964 964 * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. 965 965 * The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. 966 966 967 - 968 968 = 4. Configure LLDS12 via AT Command or LoRaWAN Downlink = 969 969 970 970 ((( ... ... @@ -1079,7 +1079,6 @@ 1079 1079 Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1080 1080 ))) 1081 1081 1082 - 1083 1083 == 4.3 Get Firmware Version Info == 1084 1084 1085 1085 Feature: use downlink to get firmware version.