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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.20
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 172.7
edited by Xiaoling
on 2022/06/15 09:58
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -102,7 +102,6 @@
102 102  
103 103  
104 104  
105 -
106 106  == 1.3  Suitable Container & Liquid ==
107 107  
108 108  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -114,7 +114,6 @@
114 114  
115 115  
116 116  
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
... ... @@ -213,6 +213,9 @@
213 213  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
214 214  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
215 215  
214 +
215 +
216 +
216 216  == 1.8  Pin mapping and power on ==
217 217  
218 218  
... ... @@ -226,7 +226,7 @@
226 226  == 2.1  How it works ==
227 227  
228 228  (((
229 -The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS20. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
230 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
230 230  )))
231 231  
232 232  (((
... ... @@ -320,7 +320,7 @@
320 320  
321 321  (((
322 322  (((
323 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
324 +LDDS20 will uplink payload via LoRaWAN with below payload format:
324 324  
325 325  Uplink payload includes in total 8 bytes.
326 326  Payload for firmware version v1.1.4. . Before v1.1.3, there is only 5 bytes: BAT and Distance(Please check manual v1.2.0 if you have 5 bytes payload).
... ... @@ -371,9 +371,12 @@
371 371  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
372 372  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
373 373  
375 +
376 +
377 +
374 374  === 2.3.3  Interrupt Pin ===
375 375  
376 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
380 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
377 377  
378 378  **Example:**
379 379  
... ... @@ -414,305 +414,736 @@
414 414  While using TTN network, you can add the payload format to decode the payload.
415 415  
416 416  
417 -[[image:1655261164557-670.png]]
421 +[[image:1654850829385-439.png]]
418 418  
419 419  The payload decoder function for TTN V3 is here:
420 420  
421 421  (((
422 -LDDS20 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS20/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
426 +LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
423 423  )))
424 424  
425 425  
426 426  
427 -== 2.4  Downlink Payload ==
431 +== 2.4  Uplink Interval ==
428 428  
429 -By default, LDDS20 prints the downlink payload to console port.
433 +The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
430 430  
431 -[[image:image-20220615100930-15.png]]
432 432  
433 433  
434 -**Examples:**
437 +== 2.5  ​Show Data in DataCake IoT Server ==
435 435  
439 +(((
440 +[[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:
441 +)))
436 436  
437 -* (% style="color:blue" %)**Set TDC**
443 +(((
444 +
445 +)))
438 438  
439 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
447 +(((
448 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
449 +)))
440 440  
441 -Payload:    01 00 00 1E    TDC=30S
451 +(((
452 +(% 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:**
453 +)))
442 442  
443 -Payload:    01 00 00 3C    TDC=60S
444 444  
456 +[[image:1654592790040-760.png]]
445 445  
446 -* (% style="color:blue" %)**Reset**
447 447  
448 -If payload = 0x04FF, it will reset the LDDS20
459 +[[image:1654592800389-571.png]]
449 449  
450 450  
451 -* (% style="color:blue" %)**CFM**
462 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
452 452  
453 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
464 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
454 454  
466 +[[image:1654851029373-510.png]]
455 455  
456 456  
457 -== 2.5  ​Show Data in DataCake IoT Server ==
469 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
458 458  
471 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
472 +
473 +
474 +
475 +== 2.6  Frequency Plans ==
476 +
459 459  (((
460 -[[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:
478 +The LDDS75 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.
461 461  )))
462 462  
481 +
482 +
483 +=== 2.6.1  EU863-870 (EU868) ===
484 +
463 463  (((
486 +(% style="color:blue" %)**Uplink:**
487 +)))
488 +
489 +(((
490 +868.1 - SF7BW125 to SF12BW125
491 +)))
492 +
493 +(((
494 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
495 +)))
496 +
497 +(((
498 +868.5 - SF7BW125 to SF12BW125
499 +)))
500 +
501 +(((
502 +867.1 - SF7BW125 to SF12BW125
503 +)))
504 +
505 +(((
506 +867.3 - SF7BW125 to SF12BW125
507 +)))
508 +
509 +(((
510 +867.5 - SF7BW125 to SF12BW125
511 +)))
512 +
513 +(((
514 +867.7 - SF7BW125 to SF12BW125
515 +)))
516 +
517 +(((
518 +867.9 - SF7BW125 to SF12BW125
519 +)))
520 +
521 +(((
522 +868.8 - FSK
523 +)))
524 +
525 +(((
464 464  
465 465  )))
466 466  
467 467  (((
468 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
530 +(% style="color:blue" %)**Downlink:**
469 469  )))
470 470  
471 471  (((
472 -(% 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:**
534 +Uplink channels 1-9 (RX1)
473 473  )))
474 474  
537 +(((
538 +869.525 - SF9BW125 (RX2 downlink only)
539 +)))
475 475  
476 -[[image:1654592790040-760.png]]
477 477  
478 478  
479 -[[image:1654592800389-571.png]]
543 +=== 2.6.2  US902-928(US915) ===
480 480  
545 +(((
546 +Used in USA, Canada and South America. Default use CHE=2
481 481  
482 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
548 +(% style="color:blue" %)**Uplink:**
483 483  
484 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
550 +903.9 - SF7BW125 to SF10BW125
485 485  
486 -[[image:1654851029373-510.png]]
552 +904.1 - SF7BW125 to SF10BW125
487 487  
554 +904.3 - SF7BW125 to SF10BW125
488 488  
489 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
556 +904.5 - SF7BW125 to SF10BW125
490 490  
491 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
558 +904.7 - SF7BW125 to SF10BW125
492 492  
560 +904.9 - SF7BW125 to SF10BW125
493 493  
562 +905.1 - SF7BW125 to SF10BW125
494 494  
495 -== 2.6  LED Indicator ==
564 +905.3 - SF7BW125 to SF10BW125
496 496  
497 -The LDDS20 has an internal LED which is to show the status of different state.
498 498  
567 +(% style="color:blue" %)**Downlink:**
499 499  
500 -* Blink once when device power on.
501 -* The device detects the sensor and flashes 5 times.
502 -* Solid ON for 5 seconds once device successful Join the network.
503 -* Blink once when device transmit a packet.
569 +923.3 - SF7BW500 to SF12BW500
504 504  
505 -== 2.7  ​Firmware Change Log ==
571 +923.9 - SF7BW500 to SF12BW500
506 506  
573 +924.5 - SF7BW500 to SF12BW500
507 507  
575 +925.1 - SF7BW500 to SF12BW500
576 +
577 +925.7 - SF7BW500 to SF12BW500
578 +
579 +926.3 - SF7BW500 to SF12BW500
580 +
581 +926.9 - SF7BW500 to SF12BW500
582 +
583 +927.5 - SF7BW500 to SF12BW500
584 +
585 +923.3 - SF12BW500(RX2 downlink only)
586 +
587 +
588 +
589 +)))
590 +
591 +=== 2.6.3  CN470-510 (CN470) ===
592 +
508 508  (((
509 -**Firmware download link:  **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
594 +Used in China, Default use CHE=1
510 510  )))
511 511  
512 512  (((
598 +(% style="color:blue" %)**Uplink:**
599 +)))
600 +
601 +(((
602 +486.3 - SF7BW125 to SF12BW125
603 +)))
604 +
605 +(((
606 +486.5 - SF7BW125 to SF12BW125
607 +)))
608 +
609 +(((
610 +486.7 - SF7BW125 to SF12BW125
611 +)))
612 +
613 +(((
614 +486.9 - SF7BW125 to SF12BW125
615 +)))
616 +
617 +(((
618 +487.1 - SF7BW125 to SF12BW125
619 +)))
620 +
621 +(((
622 +487.3 - SF7BW125 to SF12BW125
623 +)))
624 +
625 +(((
626 +487.5 - SF7BW125 to SF12BW125
627 +)))
628 +
629 +(((
630 +487.7 - SF7BW125 to SF12BW125
631 +)))
632 +
633 +(((
513 513  
514 514  )))
515 515  
516 516  (((
517 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
638 +(% style="color:blue" %)**Downlink:**
518 518  )))
519 519  
641 +(((
642 +506.7 - SF7BW125 to SF12BW125
643 +)))
520 520  
645 +(((
646 +506.9 - SF7BW125 to SF12BW125
647 +)))
521 521  
522 -== 2.8  Battery Analysis ==
649 +(((
650 +507.1 - SF7BW125 to SF12BW125
651 +)))
523 523  
653 +(((
654 +507.3 - SF7BW125 to SF12BW125
655 +)))
524 524  
657 +(((
658 +507.5 - SF7BW125 to SF12BW125
659 +)))
525 525  
661 +(((
662 +507.7 - SF7BW125 to SF12BW125
663 +)))
526 526  
527 -=== 2.8.1  Battery Type ===
665 +(((
666 +507.9 - SF7BW125 to SF12BW125
667 +)))
528 528  
529 -The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
669 +(((
670 +508.1 - SF7BW125 to SF12BW125
671 +)))
530 530  
673 +(((
674 +505.3 - SF12BW125 (RX2 downlink only)
675 +)))
531 531  
532 -The battery related documents as below:
533 533  
534 -* (((
535 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
678 +
679 +=== 2.6.4  AU915-928(AU915) ===
680 +
681 +(((
682 +Default use CHE=2
683 +
684 +(% style="color:blue" %)**Uplink:**
685 +
686 +916.8 - SF7BW125 to SF12BW125
687 +
688 +917.0 - SF7BW125 to SF12BW125
689 +
690 +917.2 - SF7BW125 to SF12BW125
691 +
692 +917.4 - SF7BW125 to SF12BW125
693 +
694 +917.6 - SF7BW125 to SF12BW125
695 +
696 +917.8 - SF7BW125 to SF12BW125
697 +
698 +918.0 - SF7BW125 to SF12BW125
699 +
700 +918.2 - SF7BW125 to SF12BW125
701 +
702 +
703 +(% style="color:blue" %)**Downlink:**
704 +
705 +923.3 - SF7BW500 to SF12BW500
706 +
707 +923.9 - SF7BW500 to SF12BW500
708 +
709 +924.5 - SF7BW500 to SF12BW500
710 +
711 +925.1 - SF7BW500 to SF12BW500
712 +
713 +925.7 - SF7BW500 to SF12BW500
714 +
715 +926.3 - SF7BW500 to SF12BW500
716 +
717 +926.9 - SF7BW500 to SF12BW500
718 +
719 +927.5 - SF7BW500 to SF12BW500
720 +
721 +923.3 - SF12BW500(RX2 downlink only)
722 +
723 +
724 +
536 536  )))
537 -* (((
538 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
726 +
727 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
728 +
729 +(((
730 +(% style="color:blue" %)**Default Uplink channel:**
539 539  )))
540 -* (((
541 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
732 +
733 +(((
734 +923.2 - SF7BW125 to SF10BW125
542 542  )))
543 543  
544 - [[image:image-20220615102527-16.png]]
737 +(((
738 +923.4 - SF7BW125 to SF10BW125
739 +)))
545 545  
741 +(((
742 +
743 +)))
546 546  
745 +(((
746 +(% style="color:blue" %)**Additional Uplink Channel**:
747 +)))
547 547  
548 -== 2.8.2  Battery Note ==
749 +(((
750 +(OTAA mode, channel added by JoinAccept message)
751 +)))
549 549  
550 -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 uplink data, then the battery life may be decreased.
753 +(((
754 +
755 +)))
551 551  
757 +(((
758 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
759 +)))
552 552  
761 +(((
762 +922.2 - SF7BW125 to SF10BW125
763 +)))
553 553  
554 -=== 2.8.3  Replace the battery ===
765 +(((
766 +922.4 - SF7BW125 to SF10BW125
767 +)))
555 555  
556 556  (((
557 -You can change the battery in the LDDS75.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.
770 +922.6 - SF7BW125 to SF10BW125
558 558  )))
559 559  
560 560  (((
774 +922.8 - SF7BW125 to SF10BW125
775 +)))
776 +
777 +(((
778 +923.0 - SF7BW125 to SF10BW125
779 +)))
780 +
781 +(((
782 +922.0 - SF7BW125 to SF10BW125
783 +)))
784 +
785 +(((
561 561  
562 562  )))
563 563  
564 564  (((
565 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
790 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
566 566  )))
567 567  
793 +(((
794 +923.6 - SF7BW125 to SF10BW125
795 +)))
568 568  
797 +(((
798 +923.8 - SF7BW125 to SF10BW125
799 +)))
569 569  
570 -== 2.8.4  Battery Life Analyze ==
801 +(((
802 +924.0 - SF7BW125 to SF10BW125
803 +)))
571 571  
572 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
805 +(((
806 +924.2 - SF7BW125 to SF10BW125
807 +)))
573 573  
574 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
809 +(((
810 +924.4 - SF7BW125 to SF10BW125
811 +)))
575 575  
813 +(((
814 +924.6 - SF7BW125 to SF10BW125
815 +)))
576 576  
817 +(((
818 +
819 +)))
577 577  
578 -= 3.  Using the AT Commands =
821 +(((
822 +(% style="color:blue" %)**Downlink:**
823 +)))
579 579  
580 580  (((
826 +Uplink channels 1-8 (RX1)
827 +)))
828 +
581 581  (((
830 +923.2 - SF10BW125 (RX2)
831 +)))
832 +
833 +
834 +
835 +=== 2.6.6  KR920-923 (KR920) ===
836 +
837 +(((
838 +(% style="color:blue" %)**Default channel:**
839 +)))
840 +
841 +(((
842 +922.1 - SF7BW125 to SF12BW125
843 +)))
844 +
845 +(((
846 +922.3 - SF7BW125 to SF12BW125
847 +)))
848 +
849 +(((
850 +922.5 - SF7BW125 to SF12BW125
851 +)))
852 +
853 +(((
582 582  
583 583  )))
856 +
857 +(((
858 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
584 584  )))
585 585  
586 -== 3.1  Access AT Commands ==
861 +(((
862 +922.1 - SF7BW125 to SF12BW125
863 +)))
587 587  
588 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
865 +(((
866 +922.3 - SF7BW125 to SF12BW125
867 +)))
589 589  
869 +(((
870 +922.5 - SF7BW125 to SF12BW125
871 +)))
590 590  
591 -[[image:image-20220610172924-4.png||height="483" width="988"]]
873 +(((
874 +922.7 - SF7BW125 to SF12BW125
875 +)))
592 592  
877 +(((
878 +922.9 - SF7BW125 to SF12BW125
879 +)))
593 593  
594 -Or if you have below board, use below connection:
881 +(((
882 +923.1 - SF7BW125 to SF12BW125
883 +)))
595 595  
885 +(((
886 +923.3 - SF7BW125 to SF12BW125
887 +)))
596 596  
597 -[[image:image-20220610172924-5.png]]
889 +(((
890 +
891 +)))
598 598  
893 +(((
894 +(% style="color:blue" %)**Downlink:**
895 +)))
599 599  
600 600  (((
601 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
898 +Uplink channels 1-7(RX1)
602 602  )))
603 603  
901 +(((
902 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
903 +)))
604 604  
605 - [[image:image-20220610172924-6.png||height="601" width="860"]]
606 606  
607 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
608 608  
907 +=== 2.6.7  IN865-867 (IN865) ===
609 609  
610 -AT+<CMD>?  :  Help on <CMD>
909 +(((
910 +(% style="color:blue" %)**Uplink:**
911 +)))
611 611  
612 -AT+<CMD>  :  Run <CMD>
913 +(((
914 +865.0625 - SF7BW125 to SF12BW125
915 +)))
613 613  
614 -AT+<CMD>=<value>  :  Set the value
917 +(((
918 +865.4025 - SF7BW125 to SF12BW125
919 +)))
615 615  
616 -AT+<CMD>=?  :  Get the value
921 +(((
922 +865.9850 - SF7BW125 to SF12BW125
923 +)))
617 617  
925 +(((
926 +
927 +)))
618 618  
619 -(% style="color:#037691" %)** General Commands :**     
929 +(((
930 +(% style="color:blue" %)**Downlink:**
931 +)))
620 620  
621 -AT  :  Attention       
933 +(((
934 +Uplink channels 1-3 (RX1)
935 +)))
622 622  
623 -AT?  :  Short Help     
937 +(((
938 +866.550 - SF10BW125 (RX2)
939 +)))
624 624  
625 -ATZ :  MCU Reset    
626 626  
627 -AT+TDC :  Application Data Transmission Interval 
628 628  
943 +== 2.7  LED Indicator ==
629 629  
630 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
945 +The LDDS75 has an internal LED which is to show the status of different state.
631 631  
632 -AT+APPEUI  :  Application EUI      
633 633  
634 -AT+APPKEY  :  Application Key     
948 +* Blink once when device power on.
949 +* The device detects the sensor and flashes 5 times.
950 +* Solid ON for 5 seconds once device successful Join the network.
951 +* Blink once when device transmit a packet.
635 635  
636 -AT+APPSKEY  :  Application Session Key
953 +== 2.8  ​Firmware Change Log ==
637 637  
638 -AT+DADDR :  Device Address     
639 639  
640 -AT+DEUI :  Device EUI     
956 +(((
957 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
958 +)))
641 641  
642 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
960 +(((
961 +
962 +)))
643 643  
644 -AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
964 +(((
965 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
966 +)))
645 645  
646 -AT+CFM :  Confirm Mode       
647 647  
648 -AT+CFS :  Confirm Status       
649 649  
650 -AT+JOIN  :  Join LoRa? Network       
970 +== 2.9  Mechanical ==
651 651  
652 -AT+NJM  :  LoRa? Network Join Mode    
653 653  
654 -AT+NJS  :  LoRa? Network Join Status    
973 +[[image:image-20220610172003-1.png]]
655 655  
656 -AT+RECV  :  Print Last Received Data in Raw Format
657 657  
658 -AT+RECVB :  Print Last Received Data in Binary Format      
976 +[[image:image-20220610172003-2.png]]
659 659  
660 -AT+SEND  :  Send Text Data      
661 661  
662 -AT+SENB  :  Send Hexadecimal Data
663 663  
980 +== 2.10  Battery Analysis ==
664 664  
665 -(% style="color:#037691" %)** LoRa Network Management :**
982 +=== 2.10.1  Battery Type ===
666 666  
667 -AT+ADR  :  Adaptive Rate
984 +The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
668 668  
669 -AT+CLASS  :  LoRa Class(Currently only support class A
670 670  
671 -AT+DCS  :  Duty Cycle Setting 
987 +The battery related documents as below:
672 672  
673 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
989 +* (((
990 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
991 +)))
992 +* (((
993 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
994 +)))
995 +* (((
996 +[[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]]
997 +)))
674 674  
675 -AT+FCD  :  Frame Counter Downlink       
999 + [[image:image-20220610172400-3.png]]
676 676  
677 -AT+FCU  :  Frame Counter Uplink   
678 678  
679 -AT+JN1DL  :  Join Accept Delay1
680 680  
681 -AT+JN2DL  :  Join Accept Delay2
1003 +=== 2.10.2  Replace the battery ===
682 682  
683 -AT+PNM  :  Public Network Mode   
1005 +(((
1006 +You can change the battery in the LDDS75.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.
1007 +)))
684 684  
685 -AT+RX1DL  :  Receive Delay1      
1009 +(((
1010 +
1011 +)))
686 686  
687 -AT+RX2DL  :  Receive Delay2      
1013 +(((
1014 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1015 +)))
688 688  
689 -AT+RX2DR  :  Rx2 Window Data Rate 
690 690  
691 -AT+RX2FQ  :  Rx2 Window Frequency
692 692  
693 -AT+TXP  :  Transmit Power
1019 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
694 694  
1021 +(((
1022 +(((
1023 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1024 +)))
1025 +)))
695 695  
696 -(% style="color:#037691" %)** Information :**
1027 +* (((
1028 +(((
1029 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1030 +)))
1031 +)))
1032 +* (((
1033 +(((
1034 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1035 +)))
1036 +)))
697 697  
698 -AT+RSSI  :  RSSI of the Last Received Packet   
1038 +(((
1039 +(((
1040 +
1041 +)))
699 699  
700 -AT+SNR  :  SNR of the Last Received Packet   
1043 +(((
1044 +There are two kinds of commands to configure LDDS75, they are:
1045 +)))
1046 +)))
701 701  
702 -AT+VER  :  Image Version and Frequency Band       
1048 +* (((
1049 +(((
1050 +(% style="color:#4f81bd" %)** General Commands**.
1051 +)))
1052 +)))
703 703  
704 -AT+FDR  :  Factory Data Reset
1054 +(((
1055 +(((
1056 +These commands are to configure:
1057 +)))
1058 +)))
705 705  
706 -AT+PORT  :  Application Port    
1060 +* (((
1061 +(((
1062 +General system settings like: uplink interval.
1063 +)))
1064 +)))
1065 +* (((
1066 +(((
1067 +LoRaWAN protocol & radio related command.
1068 +)))
1069 +)))
707 707  
708 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1071 +(((
1072 +(((
1073 +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]]
1074 +)))
1075 +)))
709 709  
710 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
1077 +(((
1078 +(((
1079 +
1080 +)))
1081 +)))
711 711  
1083 +* (((
1084 +(((
1085 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1086 +)))
1087 +)))
712 712  
1089 +(((
1090 +(((
1091 +These commands only valid for LDDS75, as below:
1092 +)))
1093 +)))
713 713  
714 -== 3.2  Set Interrupt Mode ==
715 715  
1096 +
1097 +== 3.1  Access AT Commands ==
1098 +
1099 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
1100 +
1101 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1102 +
1103 +
1104 +Or if you have below board, use below connection:
1105 +
1106 +
1107 +[[image:image-20220610172924-5.png]]
1108 +
1109 +
1110 +(((
1111 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1112 +)))
1113 +
1114 +
1115 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1116 +
1117 +
1118 +
1119 +== 3.2  Set Transmit Interval Time ==
1120 +
1121 +Feature: Change LoRaWAN End Node Transmit Interval.
1122 +
1123 +(% style="color:#037691" %)**AT Command: AT+TDC**
1124 +
1125 +[[image:image-20220610173409-7.png]]
1126 +
1127 +
1128 +(((
1129 +(% style="color:#037691" %)**Downlink Command: 0x01**
1130 +)))
1131 +
1132 +(((
1133 +(((
1134 +Format: Command Code (0x01) followed by 3 bytes time value.
1135 +
1136 +(((
1137 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1138 +)))
1139 +
1140 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1141 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1142 +)))
1143 +)))
1144 +
1145 +
1146 +
1147 +
1148 +
1149 +== 3.3  Set Interrupt Mode ==
1150 +
716 716  Feature, Set Interrupt mode for GPIO_EXIT.
717 717  
718 718  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -731,23 +731,27 @@
731 731  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
732 732  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
733 733  
734 -
735 -
736 736  = 4.  FAQ =
737 737  
738 -== 4.1  What is the frequency plan for LDDS20? ==
1171 +== 4.1  What is the frequency plan for LDDS75? ==
739 739  
740 -LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
1173 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
741 741  
742 742  
743 743  
744 744  == 4.2  How to change the LoRa Frequency Bands/Region ==
745 745  
746 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
1179 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
747 747  When downloading the images, choose the required image file for download. ​
748 748  
749 749  
750 750  
1184 +== 4.3  Can I use LDDS75 in condensation environment? ==
1185 +
1186 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1187 +
1188 +
1189 +
751 751  = 5.  Trouble Shooting =
752 752  
753 753  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -767,7 +767,7 @@
767 767  = 6.  Order Info =
768 768  
769 769  
770 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
1209 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
771 771  
772 772  
773 773  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -781,20 +781,18 @@
781 781  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
782 782  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
783 783  
1223 +(% style="color:blue" %)**YY**(%%): Battery Option
784 784  
1225 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1226 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1227 +
785 785  = 7. ​ Packing Info =
786 786  
787 787  
788 788  **Package Includes**:
789 789  
790 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
1233 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
791 791  
792 -
793 -(% style="color:red" %)**Note:**
794 -
795 -(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
796 -
797 -
798 798  **Dimension and weight**:
799 799  
800 800  * Device Size: cm
... ... @@ -802,7 +802,6 @@
802 802  * Package Size / pcs : cm
803 803  * Weight / pcs : g
804 804  
805 -
806 806  = 8.  ​Support =
807 807  
808 808  * 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.
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