Last modified by Xiaoling on 2024/01/17 16:19
<
From version < 29.7 >
edited by Xiaoling
on 2022/06/07 15:52
To version < 24.1 >
edited by Xiaoling
on 2022/06/07 14:42
>
Change comment: Uploaded new attachment "1654584128046-287.png", version {1}

Summary

Details

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Content
... ... @@ -55,6 +55,7 @@
55 55  * IP68 rate for the Sensor Probe
56 56  * 8500mAh Battery for long term use
57 57  
58 +
58 58  == 1.3 Probe Specification ==
59 59  
60 60  
... ... @@ -75,10 +75,12 @@
75 75  * IP68 Protection
76 76  * Length: 3.5 meters
77 77  
79 +
78 78  == 1.4 ​Applications ==
79 79  
80 80  * Smart Agriculture
81 81  
84 +
82 82  == 1.5 Pin mapping and power on ==
83 83  
84 84  [[image:1654580482666-473.png]]
... ... @@ -265,6 +265,7 @@
265 265  |0x02|Reply configures info|[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
266 266  |0x03|Reply Calibration Info|[[Calibration Payload>>||anchor="H2.7Calibration"]]
267 267  
271 +
268 268  === 2.3.7 Decode payload in The Things Network ===
269 269  
270 270  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -338,76 +338,95 @@
338 338  
339 339  
340 340  
341 -== 2.6 Installation and Maintain ==
342 342  
343 -=== 2.6.1 Before measurement ===
344 344  
345 -(((
347 +1.
348 +11. Installation and Maintain
349 +111. Before measurement
350 +
346 346  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. 
347 -)))
348 348  
349 349  
354 +1.
355 +11.
356 +111. Measurement
350 350  
351 -=== 2.6.2 Measurement ===
358 +**Measurement the soil surface**
352 352  
353 353  
354 -(% style="color:#4f81bd" %)**Measurement the soil surface:**
361 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] Choose the proper measuring position. Split the surface soil according to the measured deep.
355 355  
356 -[[image:1654584128046-287.png]]
357 357  
358 -Choose the proper measuring position. Split the surface soil according to the measured deep.
359 -
360 360  Put pure water, or rainwater to make the soil of measurement point to moist mud. Remove rocks or hard things.
361 361  
366 +
362 362  Slowly insert the probe to the measure point. Don’t use large force which will break the probe. Make sure not shake when inserting.
363 363  
369 +
364 364  Put soil over the probe after insert. And start to measure.
365 365  
366 366  
367 -(% style="color:#4f81bd" %)**Measurement inside soil:**
373 +**Measurement inside soil**
368 368  
375 +
376 +
369 369  Dig a hole with diameter > 20CM.
370 370  
379 +
371 371  Insert the probe inside, method like measure the surface.
372 372  
373 373  
383 +1.
384 +11.
385 +111. Maintain Probe
386 +1111. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
387 +1111. 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.
388 +1111. Probe reference electrode is also no strong, need to avoid strong force or hitting.
389 +1111. User should keep reference electrode wet while not use.
390 +1111. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 +1111. The probe is IP68 can be put in water.
374 374  
375 -=== 2.6.3 Maintain Probe ===
393 +1.
394 +11. Calibration
376 376  
377 -1. (((
378 -pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
379 -)))
380 -1. (((
381 -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.
382 -)))
383 -1. (((
384 -Probe reference electrode is also no strong, need to avoid strong force or hitting.
385 -)))
386 -1. (((
387 -User should keep reference electrode wet while not use.
388 -)))
389 -1. (((
390 -Avoid the probes to touch oily matter. Which will cause issue in accuracy.
391 -)))
392 -1. (((
393 -The probe is IP68 can be put in water.
396 +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).
394 394  
395 395  
396 -
397 -)))
399 +**After stable, user can use below command to calibrate.**
398 398  
399 -== 2.7 Calibration ==
400 400  
401 -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).
402 +|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value**
403 +|**4.00**|**AT+PHCAL=4**|(((
404 +**0x13 04**
402 402  
403 -After stable, user can use below command to calibrate.
406 +**Reply with Calibrate payload**
407 +)))|(((
408 +**AT+PHCAL=?**
404 404  
405 -[[image:image-20220607144936-3.png]]
410 +**Example 41,61,91**
411 +)))
412 +|**6.86**|**AT+PHCAL=6**|(((
413 +**0x13 06**
406 406  
415 +**Reply with Calibrate payload**
416 +)))|**AT+PHCAL=?**
417 +|**9.18**|**AT+PHCAL=9**|(((
418 +**0x13 09**
407 407  
408 -(% style="color:#037691" %)**Calibration Payload**
420 +**Reply with Calibrate payload**
421 +)))|**AT+PHCAL=?**
422 +|**Factory Default**|**AT+PHCAL=15**|(((
423 +**0x13 15**
409 409  
410 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
425 +**Reply with Calibrate payload**
426 +)))|(((
427 +**AT+PHCAL=?**
428 +
429 +**Example 151**
430 +)))
431 +
432 +Calibration Payload
433 +
411 411  |(((
412 412  **Size**
413 413  
... ... @@ -422,31 +422,33 @@
422 422  
423 423  Calibrate value
424 424  )))|Reserve|(((
425 -[[Message Type>>||anchor="H2.3.6MessageType"]]
448 +[[Message>>path:#Message_Type]]
426 426  
450 +[[Type>>path:#Message_Type]]
451 +
427 427  Always 0x03
428 428  )))
429 429  
430 430  User can also send 0x14 downlink command to poll the current calibration payload.
431 431  
432 -[[image:image-20220607145603-4.png]]
433 433  
458 +|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
459 +|Get Calibration Version Info|Any|14|2
460 +
434 434  * Reply to the confirmation package: 14 01
435 435  * Reply to non-confirmed packet: 14 00
436 436  
464 +1.
465 +11. Frequency Plans
437 437  
438 -
439 -== 2.8 Frequency Plans ==
440 -
441 -(((
442 442  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.
443 -)))
444 444  
469 +1.
470 +11.
471 +111. EU863-870 (EU868)
445 445  
446 -=== 2.8.1 EU863-870 (EU868) ===
473 +Uplink:
447 447  
448 -(% style="color:blue" %)**Uplink:**
449 -
450 450  868.1 - SF7BW125 to SF12BW125
451 451  
452 452  868.3 - SF7BW125 to SF12BW125 and SF7BW250
... ... @@ -466,7 +466,7 @@
466 466  868.8 - FSK
467 467  
468 468  
469 -(% style="color:blue" %)**Downlink:**
494 +Downlink:
470 470  
471 471  Uplink channels 1-9 (RX1)
472 472  
... ... @@ -473,31 +473,28 @@
473 473  869.525 - SF9BW125 (RX2 downlink only)
474 474  
475 475  
501 +1.
502 +11.
503 +111. US902-928(US915)
476 476  
477 -=== 2.8.2 US902-928(US915) ===
478 -
479 -(((
480 480  Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
481 -)))
482 482  
483 -(((
507 +
484 484  To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
485 -)))
486 486  
487 -(((
510 +
488 488  After Join success, the end node will switch to the correct sub band by:
489 -)))
490 490  
491 491  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
492 492  * 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)
493 493  
516 +1.
517 +11.
518 +111. CN470-510 (CN470)
494 494  
495 -
496 -=== 2.8.3 CN470-510 (CN470) ===
497 -
498 498  Used in China, Default use CHE=1
499 499  
500 -(% style="color:blue" %)**Uplink:**
522 +Uplink:
501 501  
502 502  486.3 - SF7BW125 to SF12BW125
503 503  
... ... @@ -516,7 +516,7 @@
516 516  487.7 - SF7BW125 to SF12BW125
517 517  
518 518  
519 -(% style="color:blue" %)**Downlink:**
541 +Downlink:
520 520  
521 521  506.7 - SF7BW125 to SF12BW125
522 522  
... ... @@ -537,47 +537,38 @@
537 537  505.3 - SF12BW125 (RX2 downlink only)
538 538  
539 539  
562 +1.
563 +11.
564 +111. AU915-928(AU915)
540 540  
541 -=== 2.8.4 AU915-928(AU915) ===
542 -
543 -(((
544 544  Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
545 -)))
546 546  
547 -(((
568 +
548 548  To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
549 -)))
550 550  
551 -(((
552 -
553 -)))
554 554  
555 -(((
556 556  After Join success, the end node will switch to the correct sub band by:
557 -)))
558 558  
559 559  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
560 560  * 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)
561 561  
577 +1.
578 +11.
579 +111. AS920-923 & AS923-925 (AS923)
562 562  
581 +**Default Uplink channel:**
563 563  
564 -
565 -=== 2.8.5 AS920-923 & AS923-925 (AS923) ===
566 -
567 -(% style="color:blue" %)**Default Uplink channel:**
568 -
569 569  923.2 - SF7BW125 to SF10BW125
570 570  
571 571  923.4 - SF7BW125 to SF10BW125
572 572  
573 573  
574 -(% style="color:blue" %)**Additional Uplink Channel**:
588 +**Additional Uplink Channel**:
575 575  
576 576  (OTAA mode, channel added by JoinAccept message)
577 577  
592 +**AS920~~AS923 for Japan, Malaysia, Singapore**:
578 578  
579 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
580 -
581 581  922.2 - SF7BW125 to SF10BW125
582 582  
583 583  922.4 - SF7BW125 to SF10BW125
... ... @@ -591,7 +591,7 @@
591 591  922.0 - SF7BW125 to SF10BW125
592 592  
593 593  
594 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
607 +**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
595 595  
596 596  923.6 - SF7BW125 to SF10BW125
597 597  
... ... @@ -606,18 +606,20 @@
606 606  924.6 - SF7BW125 to SF10BW125
607 607  
608 608  
609 -(% style="color:blue" %)**Downlink:**
610 610  
623 +**Downlink:**
624 +
611 611  Uplink channels 1-8 (RX1)
612 612  
613 613  923.2 - SF10BW125 (RX2)
614 614  
615 615  
630 +1.
631 +11.
632 +111. KR920-923 (KR920)
616 616  
617 -=== 2.8.6 KR920-923 (KR920) ===
634 +Default channel:
618 618  
619 -(% style="color:blue" %)**Default channel:**
620 -
621 621  922.1 - SF7BW125 to SF12BW125
622 622  
623 623  922.3 - SF7BW125 to SF12BW125
... ... @@ -625,7 +625,7 @@
625 625  922.5 - SF7BW125 to SF12BW125
626 626  
627 627  
628 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
643 +Uplink: (OTAA mode, channel added by JoinAccept message)
629 629  
630 630  922.1 - SF7BW125 to SF12BW125
631 631  
... ... @@ -642,7 +642,7 @@
642 642  923.3 - SF7BW125 to SF12BW125
643 643  
644 644  
645 -(% style="color:blue" %)**Downlink:**
660 +Downlink:
646 646  
647 647  Uplink channels 1-7(RX1)
648 648  
... ... @@ -649,9 +649,11 @@
649 649  921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
650 650  
651 651  
652 -=== 2.8.7 IN865-867 (IN865) ===
667 +1.
668 +11.
669 +111. IN865-867 (IN865)
653 653  
654 -(% style="color:blue" %)**Uplink:**
671 +Uplink:
655 655  
656 656  865.0625 - SF7BW125 to SF12BW125
657 657  
... ... @@ -660,7 +660,7 @@
660 660  865.9850 - SF7BW125 to SF12BW125
661 661  
662 662  
663 -(% style="color:blue" %)**Downlink:**
680 +Downlink:
664 664  
665 665  Uplink channels 1-3 (RX1)
666 666  
... ... @@ -667,39 +667,45 @@
667 667  866.550 - SF10BW125 (RX2)
668 668  
669 669  
687 +1.
688 +11. LED Indicator
670 670  
671 -== 2.9 LED Indicator ==
672 -
673 673  The LSPH01 has an internal LED which is to show the status of different state.
674 674  
692 +
675 675  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
676 676  * Blink once when device transmit a packet.
677 677  
696 +1.
697 +11. ​Firmware Change Log
678 678  
699 +**Firmware download link:**
679 679  
701 +[[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/]]
680 680  
681 -== 2.10 ​Firmware Change Log ==
682 682  
704 +**Firmware Upgrade Method:**
683 683  
684 -**Firmware download link:**
706 +[[http:~~/~~/wiki.dragino.com/index.pHp?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]]
685 685  
686 -[[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/]]
687 687  
688 688  
689 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
690 690  
691 691  
692 692  
693 -= 3. Configure LSPH01 via AT Command or LoRaWAN Downlink =
713 +1. Configure LSPH01 via AT Command or LoRaWAN Downlink
694 694  
695 695  Use can configure LSPH01 via AT Command or LoRaWAN Downlink.
696 696  
697 -* AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
698 -* LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
717 +* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
718 +* LoRaWAN Downlink instruction for different platforms:
699 699  
720 +[[http:~~/~~/wiki.dragino.com/index.pHp?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
721 +
722 +
700 700  There are two kinds of commands to configure LSPH01, they are:
701 701  
702 -* (% style="color:#4f81bd" %)** General Commands**.
725 +* **General Commands**.
703 703  
704 704  These commands are to configure:
705 705  
... ... @@ -706,25 +706,25 @@
706 706  * General system settings like: uplink interval.
707 707  * LoRaWAN protocol & radio related command.
708 708  
709 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:[[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
732 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
710 710  
734 +[[http:~~/~~/wiki.dragino.com/index.pHp?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
711 711  
712 -* (% style="color:#4f81bd" %)** Commands special design for LSPH01**
713 713  
737 +* **Commands special design for LSPH01**
738 +
714 714  These commands only valid for LSPH01, as below:
715 715  
716 716  
742 +1.
743 +11. Set Transmit Interval Time
717 717  
718 -== 3.1 Set Transmit Interval Time ==
719 -
720 720  Feature: Change LoRaWAN End Node Transmit Interval.
721 721  
722 -(% style="color:#037691" %)**AT Command: AT+TDC**
747 +**AT Command: AT+TDC**
723 723  
724 -
725 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:710px" %)
726 -|(% style="width:154px" %)**Command Example**|(% style="width:223px" %)**Function**|(% style="width:330px" %)**Response**
727 -|(% style="width:154px" %)AT+TDC=?|(% style="width:223px" %)Show current transmit Interval|(% style="width:330px" %)(((
749 +|**Command Example**|**Function**|**Response**
750 +|AT+TDC=?|Show current transmit Interval|(((
728 728  30000
729 729  
730 730  OK
... ... @@ -731,13 +731,13 @@
731 731  
732 732  the interval is 30000ms = 30s
733 733  )))
734 -|(% style="width:154px" %)AT+TDC=60000|(% style="width:223px" %)Set Transmit Interval|(% style="width:330px" %)(((
757 +|AT+TDC=60000|Set Transmit Interval|(((
735 735  OK
736 736  
737 737  Set transmit interval to 60000ms = 60 seconds
738 738  )))
739 739  
740 -(% style="color:#037691" %)**Downlink Command: 0x01**
763 +**Downlink Command: 0x01**
741 741  
742 742  Format: Command Code (0x01) followed by 3 bytes time value.
743 743  
... ... @@ -746,18 +746,32 @@
746 746  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
747 747  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
748 748  
772 +1.
773 +11. Set Interrupt Mode
749 749  
750 -== 3.2 Set Interrupt Mode ==
751 -
752 752  Feature, Set Interrupt mode for GPIO_EXIT.
753 753  
754 -(% style="color:#037691" %)**AT Command: AT+INTMOD**
777 +**AT Command: AT+INTMOD**
755 755  
756 -[[image:image-20220607153759-6.png]]
779 +|**Command Example**|**Function**|**Response**
780 +|AT+INTMOD=?|Show current interrupt mode|(((
781 +0
757 757  
783 +OK
758 758  
759 -(% style="color:#037691" %)**Downlink Command: 0x06**
785 +the mode is 0 = No interruption
786 +)))
787 +|AT+INTMOD=2|(((
788 +Set Transmit Interval
760 760  
790 +1. (Disable Interrupt),
791 +1. (Trigger by rising and falling edge),
792 +1. (Trigger by falling edge)
793 +1. (Trigger by rising edge)
794 +)))|OK
795 +
796 +**Downlink Command: 0x06**
797 +
761 761  Format: Command Code (0x06) followed by 3 bytes.
762 762  
763 763  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
... ... @@ -765,21 +765,25 @@
765 765  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
766 766  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
767 767  
805 +1.
806 +11. Calibrate Sensor
768 768  
769 -== 3.3 Calibrate Sensor ==
808 +Detail See [[Calibration Guide>>path:#Calibration]] for the user of 0x13 and 0x14 downlink commands
770 770  
771 -Detail See [[Calibration Guide>>||anchor="2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
772 772  
773 773  
812 +1.
813 +11. Get Firmware Version Info
774 774  
775 -== 3.4 Get Firmware Version Info ==
776 -
777 777  Feature: use downlink to get firmware version.
778 778  
779 -(% style="color:#037691" %)**Downlink Command: 0x26**
780 780  
781 -[[image:image-20220607154718-7.png]]
818 +**Downlink Command: 0x26**
782 782  
820 +
821 +|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
822 +|Get Firmware Version Info|Any|26|2
823 +
783 783  * Reply to the confirmation package: 26 01
784 784  * Reply to non-confirmed packet: 26 00
785 785  
... ... @@ -787,10 +787,11 @@
787 787  
788 788  Configures info payload:
789 789  
790 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
791 -|=(((
792 -**Size(bytes)**
793 -)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
831 +|(((
832 +**Size**
833 +
834 +**(bytes)**
835 +)))|**1**|**1**|**1**|**1**|**1**|**5**|**1**
794 794  |**Value**|Software Type|(((
795 795  Frequency
796 796  
... ... @@ -800,7 +800,10 @@
800 800  
801 801  Version
802 802  )))|Sensor Type|Reserve|(((
803 -[[Message Type>>||anchor="H2.3.6MessageType"]]
845 +[[Message>>path:#Message_Type]]
846 +
847 +[[Type>>path:#Message_Type]]
848 +
804 804  Always 0x02
805 805  )))
806 806  
... ... @@ -873,7 +873,7 @@
873 873  LSPH01:  2.45v ~~ 3.6v
874 874  
875 875  
876 -1.
921 +1.
877 877  11. Replace Battery
878 878  
879 879  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
... ... @@ -882,7 +882,7 @@
882 882  
883 883  
884 884  
885 -1.
930 +1.
886 886  11. Power Consumption Analyze
887 887  
888 888  Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
... ... @@ -922,14 +922,14 @@
922 922  
923 923  
924 924  1.
925 -11.
970 +11.
926 926  111. ​Battery Note
927 927  
928 928  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
929 929  
930 930  
931 -1.
932 -11.
976 +1.
977 +11.
933 933  111. ​Replace the battery
934 934  
935 935  You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
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