Last modified by Xiaoling on 2024/01/17 16:19
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From version < 70.1 >
edited by Xiaoling
on 2022/06/07 17:20
To version < 74.10 >
edited by Xiaoling
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73 73  = 1. Introduction =
74 74  
75 75  == 1.1 ​What is LoRaWAN Soil pH Sensor ==
76 76  
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77 77  The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
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78 78  
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79 79  LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
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80 80  
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81 81  The LoRa wireless technology used in LSPH01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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82 82  
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83 83  LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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84 84  
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85 85  Each LSPH01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
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86 86  
87 87  
88 88  [[image:1654592435432-887.png]]
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210 210  [[image:image-20220607170442-2.png]]
211 211  
212 212  
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213 213  (% style="color:blue" %)**Step 3**(%%)**:** The LSPH01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
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214 214  
215 215  [[image:1654592697690-910.png]]
216 216  
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218 218  
219 219  == 2.3 ​Uplink Payload ==
220 220  
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221 221  LSPH01 will uplink payload via LoRaWAN with below payload format: 
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222 222  
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223 223  Uplink payload includes in total 11 bytes.
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224 224  
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225 225  Normal uplink payload:
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226 226  
227 227  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
228 228  |(((
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306 306  
307 307  === 2.3.6 Message Type ===
308 308  
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309 309  For a normal uplink payload, the message type is always 0x01.
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310 310  
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311 311  Valid Message Type:
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312 312  
313 313  
314 314  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
315 -|**Message Type Code**|**Description**|**Payload**
334 +|=**Message Type Code**|=**Description**|=**Payload**
316 316  |0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
317 317  |0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
318 318  |0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
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344 344  
345 345  == 2.5 ​Show Data in DataCake IoT Server ==
346 346  
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347 347  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
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348 348  
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350 350  (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
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351 351  
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352 352  (% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
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353 353  
354 354  
355 355  [[image:1654592790040-760.png]]
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372 372  [[image:1654592856403-259.png]]
373 373  
374 374  
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375 375  (% style="color:blue" %)**Step 5**(%%)**: add payload decode**
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376 376  
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377 377  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/]]
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378 378  
379 379  
380 380  [[image:1654592878525-845.png]]
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397 397  === 2.6.1 Before measurement ===
398 398  
399 399  (((
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400 400  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. 
401 401  )))
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405 405  === 2.6.2 Measurement ===
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407 407  
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408 408  (% style="color:#4f81bd" %)**Measurement the soil surface:**
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409 409  
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410 410  [[image:1654592946732-634.png]]
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411 411  
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412 412  Choose the proper measuring position. Split the surface soil according to the measured deep.
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413 413  
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414 414  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
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415 415  
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416 416  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
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417 417  
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418 418  Put soil over the probe after insert. And start to measure.
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420 420  
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421 421  (% style="color:#4f81bd" %)**Measurement inside soil:**
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422 422  
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423 423  Dig a hole with diameter > 20CM.
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424 424  
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425 425  Insert the probe inside, method like measure the surface.
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426 426  
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452 452  
453 453  == 2.7 Calibration ==
454 454  
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455 455  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).
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456 456  
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457 457  After stable, user can use below command to calibrate.
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458 458  
459 459  [[image:image-20220607171149-4.png]]
460 460  
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461 461  
462 462  (% style="color:#037691" %)**Calibration Payload**
463 463  
464 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
523 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
465 465  |(((
466 466  **Size**
467 467  
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481 481  Always 0x03
482 482  )))
483 483  
484 -
485 485  User can also send 0x14 downlink command to poll the current calibration payload.
486 486  
487 487  [[image:image-20220607171416-7.jpeg]]
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501 501  
502 502  === 2.8.1 EU863-870 (EU868) ===
503 503  
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504 504  (% style="color:blue" %)**Uplink:**
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505 505  
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506 506  868.1 - SF7BW125 to SF12BW125
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507 507  
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508 508  868.3 - SF7BW125 to SF12BW125 and SF7BW250
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509 509  
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510 510  868.5 - SF7BW125 to SF12BW125
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511 511  
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512 512  867.1 - SF7BW125 to SF12BW125
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513 513  
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514 514  867.3 - SF7BW125 to SF12BW125
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515 515  
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516 516  867.5 - SF7BW125 to SF12BW125
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517 517  
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518 518  867.7 - SF7BW125 to SF12BW125
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519 519  
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520 520  867.9 - SF7BW125 to SF12BW125
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521 521  
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522 522  868.8 - FSK
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524 524  
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525 525  (% style="color:blue" %)**Downlink:**
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526 526  
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527 527  Uplink channels 1-9 (RX1)
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528 528  
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529 529  869.525 - SF9BW125 (RX2 downlink only)
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617 617  * 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)
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621 -
622 622  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
623 623  
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624 624  (% style="color:blue" %)**Default Uplink channel:**
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625 625  
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626 626  923.2 - SF7BW125 to SF10BW125
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628 628  923.4 - SF7BW125 to SF10BW125
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631 631  (% style="color:blue" %)**Additional Uplink Channel**:
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633 633  (OTAA mode, channel added by JoinAccept message)
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636 636  (% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
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637 637  
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638 638  922.2 - SF7BW125 to SF10BW125
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639 639  
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640 640  922.4 - SF7BW125 to SF10BW125
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642 642  922.6 - SF7BW125 to SF10BW125
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643 643  
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644 644  922.8 - SF7BW125 to SF10BW125
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645 645  
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646 646  923.0 - SF7BW125 to SF10BW125
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647 647  
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648 648  922.0 - SF7BW125 to SF10BW125
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649 649  
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651 651  (% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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652 652  
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653 653  923.6 - SF7BW125 to SF10BW125
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654 654  
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655 655  923.8 - SF7BW125 to SF10BW125
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657 657  924.0 - SF7BW125 to SF10BW125
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659 659  924.2 - SF7BW125 to SF10BW125
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661 661  924.4 - SF7BW125 to SF10BW125
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663 663  924.6 - SF7BW125 to SF10BW125
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666 666  (% style="color:blue" %)**Downlink:**
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667 667  
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668 668  Uplink channels 1-8 (RX1)
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670 670  923.2 - SF10BW125 (RX2)
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734 734  * Blink once when device transmit a packet.
735 735  
736 736  
737 -
738 -
739 739  == 2.10 ​Firmware Change Log ==
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741 741  
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812 812  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
813 813  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
814 814  
815 -
816 -
817 -
818 818  == 3.3 Calibrate Sensor ==
819 819  
820 820  Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
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832 832  * Reply to the confirmation package: 26 01
833 833  * Reply to non-confirmed packet: 26 00
834 834  
835 -
836 836  Device will send an uplink after got this downlink command. With below payload:
837 837  
838 838  Configures info payload:
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976 976  [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
977 977  )))
978 978  
979 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/image-20220607155856-8.png?rev=1.1||alt="image-20220607155856-8.png"]]
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1002 1002  
1003 1003  LSPH01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSPH01 for using AT command, as below.
1004 1004  
1005 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589001411-343.png?rev=1.1||alt="1654589001411-343.png"]]
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1006 1006  
1007 1007  **Connection:**
1008 1008  
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1016 1016  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1017 1017  
1018 1018  
1019 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSPH01-LoRaWAN%20Soil%20pH%20Sensor%20User%20Manual/WebHome/1654589062541-567.png?rev=1.1||alt="1654589062541-567.png"]]
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1020 1020  
1021 1021  Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
1022 1022  
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1074 1074  * 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.
1075 1075  * 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]].
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