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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.1
edited by Xiaoling
on 2022/06/15 10:46
Change comment: Uploaded new attachment "1655261164557-670.png", version {1}
To version 172.6
edited by Xiaoling
on 2022/06/15 09:58
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -100,6 +100,8 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 +
104 +
103 103  == 1.3  Suitable Container & Liquid ==
104 104  
105 105  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -109,6 +109,8 @@
109 109  ** Pure non metal material: <10 mm
110 110  * Pure liquid without irregular deposition.
111 111  
114 +
115 +
112 112  == 1.4  Mechanical ==
113 113  
114 114  [[image:image-20220615090910-1.png]]
... ... @@ -198,6 +198,9 @@
198 198  * Smart liquid control solution.
199 199  * Smart liquefied gas solution.
200 200  
205 +
206 +
207 +
201 201  == 1.7  Precautions ==
202 202  
203 203  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
... ... @@ -204,6 +204,9 @@
204 204  * 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.
205 205  * 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.
206 206  
214 +
215 +
216 +
207 207  == 1.8  Pin mapping and power on ==
208 208  
209 209  
... ... @@ -217,7 +217,7 @@
217 217  == 2.1  How it works ==
218 218  
219 219  (((
220 -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.
221 221  )))
222 222  
223 223  (((
... ... @@ -311,7 +311,7 @@
311 311  
312 312  (((
313 313  (((
314 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
324 +LDDS20 will uplink payload via LoRaWAN with below payload format:
315 315  
316 316  Uplink payload includes in total 8 bytes.
317 317  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).
... ... @@ -359,14 +359,16 @@
359 359  For example, if the data you get from the register is __0x06 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541 (D) = 1541 mm.**
360 360  )))
361 361  
362 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
373 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
374 +* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
365 365  
366 366  
377 +
378 +
367 367  === 2.3.3  Interrupt Pin ===
368 368  
369 -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.
381 +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.
370 370  
371 371  **Example:**
372 372  
... ... @@ -412,300 +412,699 @@
412 412  The payload decoder function for TTN V3 is here:
413 413  
414 414  (((
415 -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/]]
427 +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/]]
416 416  )))
417 417  
418 418  
419 419  
420 -== 2.4  Downlink Payload ==
432 +== 2.4  Uplink Interval ==
421 421  
422 -By default, LDDS20 prints the downlink payload to console port.
434 +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"]]
423 423  
424 -[[image:image-20220615100930-15.png]]
425 425  
426 426  
427 -**Examples:**
438 +== 2.5  ​Show Data in DataCake IoT Server ==
428 428  
440 +(((
441 +[[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:
442 +)))
429 429  
430 -* (% style="color:blue" %)**Set TDC**
444 +(((
445 +
446 +)))
431 431  
432 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
448 +(((
449 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
450 +)))
433 433  
434 -Payload:    01 00 00 1E    TDC=30S
452 +(((
453 +(% 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:**
454 +)))
435 435  
436 -Payload:    01 00 00 3C    TDC=60S
437 437  
457 +[[image:1654592790040-760.png]]
438 438  
439 -* (% style="color:blue" %)**Reset**
440 440  
441 -If payload = 0x04FF, it will reset the LDDS20
460 +[[image:1654592800389-571.png]]
442 442  
443 443  
444 -* (% style="color:blue" %)**CFM**
463 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
445 445  
446 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
465 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
447 447  
467 +[[image:1654851029373-510.png]]
448 448  
449 449  
450 -== 2.5  ​Show Data in DataCake IoT Server ==
470 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
451 451  
472 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
473 +
474 +
475 +
476 +== 2.6  Frequency Plans ==
477 +
452 452  (((
453 -[[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:
479 +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.
454 454  )))
455 455  
482 +
483 +
484 +=== 2.6.1  EU863-870 (EU868) ===
485 +
456 456  (((
487 +(% style="color:blue" %)**Uplink:**
488 +)))
489 +
490 +(((
491 +868.1 - SF7BW125 to SF12BW125
492 +)))
493 +
494 +(((
495 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
496 +)))
497 +
498 +(((
499 +868.5 - SF7BW125 to SF12BW125
500 +)))
501 +
502 +(((
503 +867.1 - SF7BW125 to SF12BW125
504 +)))
505 +
506 +(((
507 +867.3 - SF7BW125 to SF12BW125
508 +)))
509 +
510 +(((
511 +867.5 - SF7BW125 to SF12BW125
512 +)))
513 +
514 +(((
515 +867.7 - SF7BW125 to SF12BW125
516 +)))
517 +
518 +(((
519 +867.9 - SF7BW125 to SF12BW125
520 +)))
521 +
522 +(((
523 +868.8 - FSK
524 +)))
525 +
526 +(((
457 457  
458 458  )))
459 459  
460 460  (((
461 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
531 +(% style="color:blue" %)**Downlink:**
462 462  )))
463 463  
464 464  (((
465 -(% 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:**
535 +Uplink channels 1-9 (RX1)
466 466  )))
467 467  
538 +(((
539 +869.525 - SF9BW125 (RX2 downlink only)
540 +)))
468 468  
469 -[[image:1654592790040-760.png]]
470 470  
471 471  
472 -[[image:1654592800389-571.png]]
544 +=== 2.6.2  US902-928(US915) ===
473 473  
546 +(((
547 +Used in USA, Canada and South America. Default use CHE=2
474 474  
475 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
549 +(% style="color:blue" %)**Uplink:**
476 476  
477 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
551 +903.9 - SF7BW125 to SF10BW125
478 478  
479 -[[image:1654851029373-510.png]]
553 +904.1 - SF7BW125 to SF10BW125
480 480  
555 +904.3 - SF7BW125 to SF10BW125
481 481  
482 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
557 +904.5 - SF7BW125 to SF10BW125
483 483  
484 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
559 +904.7 - SF7BW125 to SF10BW125
485 485  
561 +904.9 - SF7BW125 to SF10BW125
486 486  
563 +905.1 - SF7BW125 to SF10BW125
487 487  
488 -== 2.6  LED Indicator ==
565 +905.3 - SF7BW125 to SF10BW125
489 489  
490 -The LDDS20 has an internal LED which is to show the status of different state.
491 491  
568 +(% style="color:blue" %)**Downlink:**
492 492  
493 -* Blink once when device power on.
494 -* The device detects the sensor and flashes 5 times.
495 -* Solid ON for 5 seconds once device successful Join the network.
496 -* Blink once when device transmit a packet.
570 +923.3 - SF7BW500 to SF12BW500
497 497  
572 +923.9 - SF7BW500 to SF12BW500
498 498  
574 +924.5 - SF7BW500 to SF12BW500
499 499  
500 -== 2.7  ​Firmware Change Log ==
576 +925.1 - SF7BW500 to SF12BW500
501 501  
578 +925.7 - SF7BW500 to SF12BW500
502 502  
580 +926.3 - SF7BW500 to SF12BW500
581 +
582 +926.9 - SF7BW500 to SF12BW500
583 +
584 +927.5 - SF7BW500 to SF12BW500
585 +
586 +923.3 - SF12BW500(RX2 downlink only)
587 +
588 +
589 +
590 +)))
591 +
592 +=== 2.6.3  CN470-510 (CN470) ===
593 +
503 503  (((
504 -**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/]]
595 +Used in China, Default use CHE=1
505 505  )))
506 506  
507 507  (((
599 +(% style="color:blue" %)**Uplink:**
600 +)))
601 +
602 +(((
603 +486.3 - SF7BW125 to SF12BW125
604 +)))
605 +
606 +(((
607 +486.5 - SF7BW125 to SF12BW125
608 +)))
609 +
610 +(((
611 +486.7 - SF7BW125 to SF12BW125
612 +)))
613 +
614 +(((
615 +486.9 - SF7BW125 to SF12BW125
616 +)))
617 +
618 +(((
619 +487.1 - SF7BW125 to SF12BW125
620 +)))
621 +
622 +(((
623 +487.3 - SF7BW125 to SF12BW125
624 +)))
625 +
626 +(((
627 +487.5 - SF7BW125 to SF12BW125
628 +)))
629 +
630 +(((
631 +487.7 - SF7BW125 to SF12BW125
632 +)))
633 +
634 +(((
508 508  
509 509  )))
510 510  
511 511  (((
512 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
639 +(% style="color:blue" %)**Downlink:**
513 513  )))
514 514  
642 +(((
643 +506.7 - SF7BW125 to SF12BW125
644 +)))
515 515  
646 +(((
647 +506.9 - SF7BW125 to SF12BW125
648 +)))
516 516  
517 -== 2.8  Battery Analysis ==
650 +(((
651 +507.1 - SF7BW125 to SF12BW125
652 +)))
518 518  
654 +(((
655 +507.3 - SF7BW125 to SF12BW125
656 +)))
519 519  
658 +(((
659 +507.5 - SF7BW125 to SF12BW125
660 +)))
520 520  
662 +(((
663 +507.7 - SF7BW125 to SF12BW125
664 +)))
521 521  
522 -=== 2.8.1  Battery Type ===
666 +(((
667 +507.9 - SF7BW125 to SF12BW125
668 +)))
523 523  
524 -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.
670 +(((
671 +508.1 - SF7BW125 to SF12BW125
672 +)))
525 525  
674 +(((
675 +505.3 - SF12BW125 (RX2 downlink only)
676 +)))
526 526  
527 -The battery related documents as below:
528 528  
529 -* (((
530 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
679 +
680 +=== 2.6.4  AU915-928(AU915) ===
681 +
682 +(((
683 +Default use CHE=2
684 +
685 +(% style="color:blue" %)**Uplink:**
686 +
687 +916.8 - SF7BW125 to SF12BW125
688 +
689 +917.0 - SF7BW125 to SF12BW125
690 +
691 +917.2 - SF7BW125 to SF12BW125
692 +
693 +917.4 - SF7BW125 to SF12BW125
694 +
695 +917.6 - SF7BW125 to SF12BW125
696 +
697 +917.8 - SF7BW125 to SF12BW125
698 +
699 +918.0 - SF7BW125 to SF12BW125
700 +
701 +918.2 - SF7BW125 to SF12BW125
702 +
703 +
704 +(% style="color:blue" %)**Downlink:**
705 +
706 +923.3 - SF7BW500 to SF12BW500
707 +
708 +923.9 - SF7BW500 to SF12BW500
709 +
710 +924.5 - SF7BW500 to SF12BW500
711 +
712 +925.1 - SF7BW500 to SF12BW500
713 +
714 +925.7 - SF7BW500 to SF12BW500
715 +
716 +926.3 - SF7BW500 to SF12BW500
717 +
718 +926.9 - SF7BW500 to SF12BW500
719 +
720 +927.5 - SF7BW500 to SF12BW500
721 +
722 +923.3 - SF12BW500(RX2 downlink only)
723 +
724 +
725 +
531 531  )))
532 -* (((
533 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
727 +
728 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
729 +
730 +(((
731 +(% style="color:blue" %)**Default Uplink channel:**
534 534  )))
535 -* (((
536 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
733 +
734 +(((
735 +923.2 - SF7BW125 to SF10BW125
537 537  )))
538 538  
539 - [[image:image-20220615102527-16.png]]
738 +(((
739 +923.4 - SF7BW125 to SF10BW125
740 +)))
540 540  
742 +(((
743 +
744 +)))
541 541  
746 +(((
747 +(% style="color:blue" %)**Additional Uplink Channel**:
748 +)))
542 542  
543 -== 2.8.2  Battery Note ==
750 +(((
751 +(OTAA mode, channel added by JoinAccept message)
752 +)))
544 544  
545 -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.
754 +(((
755 +
756 +)))
546 546  
758 +(((
759 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
760 +)))
547 547  
762 +(((
763 +922.2 - SF7BW125 to SF10BW125
764 +)))
548 548  
549 -=== 2.8.3  Replace the battery ===
766 +(((
767 +922.4 - SF7BW125 to SF10BW125
768 +)))
550 550  
551 551  (((
552 -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.
771 +922.6 - SF7BW125 to SF10BW125
553 553  )))
554 554  
555 555  (((
775 +922.8 - SF7BW125 to SF10BW125
776 +)))
777 +
778 +(((
779 +923.0 - SF7BW125 to SF10BW125
780 +)))
781 +
782 +(((
783 +922.0 - SF7BW125 to SF10BW125
784 +)))
785 +
786 +(((
556 556  
557 557  )))
558 558  
559 559  (((
560 -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)
791 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
561 561  )))
562 562  
794 +(((
795 +923.6 - SF7BW125 to SF10BW125
796 +)))
563 563  
798 +(((
799 +923.8 - SF7BW125 to SF10BW125
800 +)))
564 564  
565 -== 2.8.4  Battery Life Analyze ==
802 +(((
803 +924.0 - SF7BW125 to SF10BW125
804 +)))
566 566  
567 -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:
806 +(((
807 +924.2 - SF7BW125 to SF10BW125
808 +)))
568 568  
569 -[[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]]
810 +(((
811 +924.4 - SF7BW125 to SF10BW125
812 +)))
570 570  
814 +(((
815 +924.6 - SF7BW125 to SF10BW125
816 +)))
571 571  
818 +(((
819 +
820 +)))
572 572  
573 -= 3.  Using the AT Commands =
822 +(((
823 +(% style="color:blue" %)**Downlink:**
824 +)))
574 574  
575 575  (((
827 +Uplink channels 1-8 (RX1)
828 +)))
829 +
576 576  (((
831 +923.2 - SF10BW125 (RX2)
832 +)))
833 +
834 +
835 +
836 +=== 2.6.6  KR920-923 (KR920) ===
837 +
838 +(((
839 +(% style="color:blue" %)**Default channel:**
840 +)))
841 +
842 +(((
843 +922.1 - SF7BW125 to SF12BW125
844 +)))
845 +
846 +(((
847 +922.3 - SF7BW125 to SF12BW125
848 +)))
849 +
850 +(((
851 +922.5 - SF7BW125 to SF12BW125
852 +)))
853 +
854 +(((
577 577  
578 578  )))
857 +
858 +(((
859 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
579 579  )))
580 580  
581 -== 3.1  Access AT Commands ==
862 +(((
863 +922.1 - SF7BW125 to SF12BW125
864 +)))
582 582  
583 -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.
866 +(((
867 +922.3 - SF7BW125 to SF12BW125
868 +)))
584 584  
870 +(((
871 +922.5 - SF7BW125 to SF12BW125
872 +)))
585 585  
586 -[[image:image-20220610172924-4.png||height="483" width="988"]]
874 +(((
875 +922.7 - SF7BW125 to SF12BW125
876 +)))
587 587  
878 +(((
879 +922.9 - SF7BW125 to SF12BW125
880 +)))
588 588  
589 -Or if you have below board, use below connection:
882 +(((
883 +923.1 - SF7BW125 to SF12BW125
884 +)))
590 590  
886 +(((
887 +923.3 - SF7BW125 to SF12BW125
888 +)))
591 591  
592 -[[image:image-20220610172924-5.png]]
890 +(((
891 +
892 +)))
593 593  
894 +(((
895 +(% style="color:blue" %)**Downlink:**
896 +)))
594 594  
595 595  (((
596 -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:
899 +Uplink channels 1-7(RX1)
597 597  )))
598 598  
902 +(((
903 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
904 +)))
599 599  
600 - [[image:image-20220610172924-6.png||height="601" width="860"]]
601 601  
602 -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/]].
603 603  
908 +=== 2.6.7  IN865-867 (IN865) ===
604 604  
605 -AT+<CMD>?  :  Help on <CMD>
910 +(((
911 +(% style="color:blue" %)**Uplink:**
912 +)))
606 606  
607 -AT+<CMD>  :  Run <CMD>
914 +(((
915 +865.0625 - SF7BW125 to SF12BW125
916 +)))
608 608  
609 -AT+<CMD>=<value>  :  Set the value
918 +(((
919 +865.4025 - SF7BW125 to SF12BW125
920 +)))
610 610  
611 -AT+<CMD>=?  :  Get the value
922 +(((
923 +865.9850 - SF7BW125 to SF12BW125
924 +)))
612 612  
926 +(((
927 +
928 +)))
613 613  
614 -**General Commands :** 
930 +(((
931 +(% style="color:blue" %)**Downlink:**
932 +)))
615 615  
616 -AT                    : Attention       
934 +(((
935 +Uplink channels 1-3 (RX1)
936 +)))
617 617  
618 -AT?                            : Short Help     
938 +(((
939 +866.550 - SF10BW125 (RX2)
940 +)))
619 619  
620 -ATZ                            : MCU Reset    
621 621  
622 -AT+TDC           : Application Data Transmission Interval 
623 623  
944 +== 2.7  LED Indicator ==
624 624  
625 -**Keys, IDs and EUIs management :**
946 +The LDDS75 has an internal LED which is to show the status of different state.
626 626  
627 -AT+APPEUI              : Application EUI      
628 628  
629 -AT+APPKEY              : Application Key     
949 +* Blink once when device power on.
950 +* The device detects the sensor and flashes 5 times.
951 +* Solid ON for 5 seconds once device successful Join the network.
952 +* Blink once when device transmit a packet.
630 630  
631 -AT+APPSKEY            : Application Session Key
954 +== 2.8  ​Firmware Change Log ==
632 632  
633 -AT+DADDR              : Device Address     
634 634  
635 -AT+DEUI                   : Device EUI     
957 +(((
958 +**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/]]
959 +)))
636 636  
637 -AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
961 +(((
962 +
963 +)))
638 638  
639 -AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
965 +(((
966 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
967 +)))
640 640  
641 -AT+CFM          : Confirm Mode       
642 642  
643 -AT+CFS                     : Confirm Status       
644 644  
645 -AT+JOIN          : Join LoRa? Network       
971 +== 2.9  Mechanical ==
646 646  
647 -AT+NJM          : LoRa? Network Join Mode    
648 648  
649 -AT+NJS                     : LoRa? Network Join Status    
974 +[[image:image-20220610172003-1.png]]
650 650  
651 -AT+RECV                  : Print Last Received Data in Raw Format
652 652  
653 -AT+RECVB                : Print Last Received Data in Binary Format      
977 +[[image:image-20220610172003-2.png]]
654 654  
655 -AT+SEND                  : Send Text Data      
656 656  
657 -AT+SENB                  : Send Hexadecimal Data
658 658  
981 +== 2.10  Battery Analysis ==
659 659  
660 -**LoRa Network Management :**
983 +=== 2.10.1  Battery Type ===
661 661  
662 -AT+ADR          : Adaptive Rate
985 +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.
663 663  
664 -AT+CLASS                : LoRa Class(Currently only support class A
665 665  
666 -AT+DCS           : Duty Cycle Setting 
988 +The battery related documents as below:
667 667  
668 -AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
990 +* (((
991 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
992 +)))
993 +* (((
994 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
995 +)))
996 +* (((
997 +[[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]]
998 +)))
669 669  
670 -AT+FCD           : Frame Counter Downlink       
1000 + [[image:image-20220610172400-3.png]]
671 671  
672 -AT+FCU           : Frame Counter Uplink   
673 673  
674 -AT+JN1DL                : Join Accept Delay1
675 675  
676 -AT+JN2DL                : Join Accept Delay2
1004 +=== 2.10.2  Replace the battery ===
677 677  
678 -AT+PNM                   : Public Network Mode   
1006 +(((
1007 +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.
1008 +)))
679 679  
680 -AT+RX1DL                : Receive Delay1      
1010 +(((
1011 +
1012 +)))
681 681  
682 -AT+RX2DL                : Receive Delay2      
1014 +(((
1015 +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)
1016 +)))
683 683  
684 -AT+RX2DR               : Rx2 Window Data Rate 
685 685  
686 -AT+RX2FQ               : Rx2 Window Frequency
687 687  
688 -AT+TXP           : Transmit Power
1020 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
689 689  
1022 +(((
1023 +(((
1024 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1025 +)))
1026 +)))
690 690  
691 -**Information :**
1028 +* (((
1029 +(((
1030 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1031 +)))
1032 +)))
1033 +* (((
1034 +(((
1035 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1036 +)))
1037 +)))
692 692  
693 -AT+RSSI           : RSSI of the Last Received Packet   
1039 +(((
1040 +(((
1041 +
1042 +)))
694 694  
695 -AT+SNR           : SNR of the Last Received Packet   
1044 +(((
1045 +There are two kinds of commands to configure LDDS75, they are:
1046 +)))
1047 +)))
696 696  
697 -AT+VER           : Image Version and Frequency Band       
1049 +* (((
1050 +(((
1051 +(% style="color:#4f81bd" %)** General Commands**.
1052 +)))
1053 +)))
698 698  
699 -AT+FDR           : Factory Data Reset
1055 +(((
1056 +(((
1057 +These commands are to configure:
1058 +)))
1059 +)))
700 700  
701 -AT+PORT                  : Application Port    
1061 +* (((
1062 +(((
1063 +General system settings like: uplink interval.
1064 +)))
1065 +)))
1066 +* (((
1067 +(((
1068 +LoRaWAN protocol & radio related command.
1069 +)))
1070 +)))
702 702  
703 -AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
1072 +(((
1073 +(((
1074 +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]]
1075 +)))
1076 +)))
704 704  
705 - AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
1078 +(((
1079 +(((
1080 +
1081 +)))
1082 +)))
706 706  
1084 +* (((
1085 +(((
1086 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1087 +)))
1088 +)))
707 707  
1090 +(((
1091 +(((
1092 +These commands only valid for LDDS75, as below:
1093 +)))
1094 +)))
708 708  
1096 +
1097 +
1098 +== 3.1  Access AT Commands ==
1099 +
1100 +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.
1101 +
1102 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1103 +
1104 +
1105 +Or if you have below board, use below connection:
1106 +
1107 +
1108 +[[image:image-20220610172924-5.png]]
1109 +
1110 +
1111 +(((
1112 +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:
1113 +)))
1114 +
1115 +
1116 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1117 +
1118 +
1119 +
709 709  == 3.2  Set Transmit Interval Time ==
710 710  
711 711  Feature: Change LoRaWAN End Node Transmit Interval.
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