Skip to Content
Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.21
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 172.2
edited by Xiaoling
on 2022/06/15 09:51
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]]
... ... @@ -229,7 +229,7 @@
229 229  == 2.1  How it works ==
230 230  
231 231  (((
232 -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.
233 233  )))
234 234  
235 235  (((
... ... @@ -310,9 +310,8 @@
310 310  [[image:image-20220615095102-14.png]]
311 311  
312 312  
313 -
314 314  (((
315 -(% style="color:blue" %)**Step 3**(%%)**:**  The LDDS20 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.
312 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 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.
316 316  )))
317 317  
318 318  [[image:1654849068701-275.png]]
... ... @@ -323,10 +323,12 @@
323 323  
324 324  (((
325 325  (((
326 -LDDS20 will uplink payload via LoRaWAN with below payload format: 
323 +LDDS75 will uplink payload via LoRaWAN with below payload format: 
324 +)))
327 327  
328 -Uplink payload includes in total 8 bytes.
329 -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).
326 +(((
327 +Uplink payload includes in total 4 bytes.
328 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
330 330  )))
331 331  )))
332 332  
... ... @@ -353,7 +353,7 @@
353 353  === 2.3.1  Battery Info ===
354 354  
355 355  
356 -Check the battery voltage for LDDS20.
355 +Check the battery voltage for LDDS75.
357 357  
358 358  Ex1: 0x0B45 = 2885mV
359 359  
... ... @@ -364,19 +364,20 @@
364 364  === 2.3.2  Distance ===
365 365  
366 366  (((
367 -Get the distance. Flat object range 20mm - 2000mm.
366 +Get the distance. Flat object range 280mm - 7500mm.
368 368  )))
369 369  
370 370  (((
371 -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.**
370 +For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
372 372  )))
373 373  
374 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
375 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
376 376  
374 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
375 +* 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.
376 +
377 377  === 2.3.3  Interrupt Pin ===
378 378  
379 -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.
379 +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.
380 380  
381 381  **Example:**
382 382  
... ... @@ -417,305 +417,736 @@
417 417  While using TTN network, you can add the payload format to decode the payload.
418 418  
419 419  
420 -[[image:1655261164557-670.png]]
420 +[[image:1654850829385-439.png]]
421 421  
422 422  The payload decoder function for TTN V3 is here:
423 423  
424 424  (((
425 -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/]]
425 +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/]]
426 426  )))
427 427  
428 428  
429 429  
430 -== 2.4  Downlink Payload ==
430 +== 2.4  Uplink Interval ==
431 431  
432 -By default, LDDS20 prints the downlink payload to console port.
432 +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"]]
433 433  
434 -[[image:image-20220615100930-15.png]]
435 435  
436 436  
437 -**Examples:**
436 +== 2.5  ​Show Data in DataCake IoT Server ==
438 438  
438 +(((
439 +[[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:
440 +)))
439 439  
440 -* (% style="color:blue" %)**Set TDC**
442 +(((
443 +
444 +)))
441 441  
442 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
446 +(((
447 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
448 +)))
443 443  
444 -Payload:    01 00 00 1E    TDC=30S
450 +(((
451 +(% 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:**
452 +)))
445 445  
446 -Payload:    01 00 00 3C    TDC=60S
447 447  
455 +[[image:1654592790040-760.png]]
448 448  
449 -* (% style="color:blue" %)**Reset**
450 450  
451 -If payload = 0x04FF, it will reset the LDDS20
458 +[[image:1654592800389-571.png]]
452 452  
453 453  
454 -* (% style="color:blue" %)**CFM**
461 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
455 455  
456 -Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
463 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
457 457  
465 +[[image:1654851029373-510.png]]
458 458  
459 459  
460 -== 2.5  ​Show Data in DataCake IoT Server ==
468 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
461 461  
470 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
471 +
472 +
473 +
474 +== 2.6  Frequency Plans ==
475 +
462 462  (((
463 -[[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:
477 +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.
464 464  )))
465 465  
480 +
481 +
482 +=== 2.6.1  EU863-870 (EU868) ===
483 +
466 466  (((
485 +(% style="color:blue" %)**Uplink:**
486 +)))
487 +
488 +(((
489 +868.1 - SF7BW125 to SF12BW125
490 +)))
491 +
492 +(((
493 +868.3 - SF7BW125 to SF12BW125 and SF7BW250
494 +)))
495 +
496 +(((
497 +868.5 - SF7BW125 to SF12BW125
498 +)))
499 +
500 +(((
501 +867.1 - SF7BW125 to SF12BW125
502 +)))
503 +
504 +(((
505 +867.3 - SF7BW125 to SF12BW125
506 +)))
507 +
508 +(((
509 +867.5 - SF7BW125 to SF12BW125
510 +)))
511 +
512 +(((
513 +867.7 - SF7BW125 to SF12BW125
514 +)))
515 +
516 +(((
517 +867.9 - SF7BW125 to SF12BW125
518 +)))
519 +
520 +(((
521 +868.8 - FSK
522 +)))
523 +
524 +(((
467 467  
468 468  )))
469 469  
470 470  (((
471 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
529 +(% style="color:blue" %)**Downlink:**
472 472  )))
473 473  
474 474  (((
475 -(% 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:**
533 +Uplink channels 1-9 (RX1)
476 476  )))
477 477  
536 +(((
537 +869.525 - SF9BW125 (RX2 downlink only)
538 +)))
478 478  
479 -[[image:1654592790040-760.png]]
480 480  
481 481  
482 -[[image:1654592800389-571.png]]
542 +=== 2.6.2  US902-928(US915) ===
483 483  
544 +(((
545 +Used in USA, Canada and South America. Default use CHE=2
484 484  
485 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
547 +(% style="color:blue" %)**Uplink:**
486 486  
487 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
549 +903.9 - SF7BW125 to SF10BW125
488 488  
489 -[[image:1654851029373-510.png]]
551 +904.1 - SF7BW125 to SF10BW125
490 490  
553 +904.3 - SF7BW125 to SF10BW125
491 491  
492 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
555 +904.5 - SF7BW125 to SF10BW125
493 493  
494 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
557 +904.7 - SF7BW125 to SF10BW125
495 495  
559 +904.9 - SF7BW125 to SF10BW125
496 496  
561 +905.1 - SF7BW125 to SF10BW125
497 497  
498 -== 2.6  LED Indicator ==
563 +905.3 - SF7BW125 to SF10BW125
499 499  
500 -The LDDS20 has an internal LED which is to show the status of different state.
501 501  
566 +(% style="color:blue" %)**Downlink:**
502 502  
503 -* Blink once when device power on.
504 -* The device detects the sensor and flashes 5 times.
505 -* Solid ON for 5 seconds once device successful Join the network.
506 -* Blink once when device transmit a packet.
568 +923.3 - SF7BW500 to SF12BW500
507 507  
508 -== 2.7  ​Firmware Change Log ==
570 +923.9 - SF7BW500 to SF12BW500
509 509  
572 +924.5 - SF7BW500 to SF12BW500
510 510  
574 +925.1 - SF7BW500 to SF12BW500
575 +
576 +925.7 - SF7BW500 to SF12BW500
577 +
578 +926.3 - SF7BW500 to SF12BW500
579 +
580 +926.9 - SF7BW500 to SF12BW500
581 +
582 +927.5 - SF7BW500 to SF12BW500
583 +
584 +923.3 - SF12BW500(RX2 downlink only)
585 +
586 +
587 +
588 +)))
589 +
590 +=== 2.6.3  CN470-510 (CN470) ===
591 +
511 511  (((
512 -**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/]]
593 +Used in China, Default use CHE=1
513 513  )))
514 514  
515 515  (((
597 +(% style="color:blue" %)**Uplink:**
598 +)))
599 +
600 +(((
601 +486.3 - SF7BW125 to SF12BW125
602 +)))
603 +
604 +(((
605 +486.5 - SF7BW125 to SF12BW125
606 +)))
607 +
608 +(((
609 +486.7 - SF7BW125 to SF12BW125
610 +)))
611 +
612 +(((
613 +486.9 - SF7BW125 to SF12BW125
614 +)))
615 +
616 +(((
617 +487.1 - SF7BW125 to SF12BW125
618 +)))
619 +
620 +(((
621 +487.3 - SF7BW125 to SF12BW125
622 +)))
623 +
624 +(((
625 +487.5 - SF7BW125 to SF12BW125
626 +)))
627 +
628 +(((
629 +487.7 - SF7BW125 to SF12BW125
630 +)))
631 +
632 +(((
516 516  
517 517  )))
518 518  
519 519  (((
520 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
637 +(% style="color:blue" %)**Downlink:**
521 521  )))
522 522  
640 +(((
641 +506.7 - SF7BW125 to SF12BW125
642 +)))
523 523  
644 +(((
645 +506.9 - SF7BW125 to SF12BW125
646 +)))
524 524  
525 -== 2.8  Battery Analysis ==
648 +(((
649 +507.1 - SF7BW125 to SF12BW125
650 +)))
526 526  
652 +(((
653 +507.3 - SF7BW125 to SF12BW125
654 +)))
527 527  
656 +(((
657 +507.5 - SF7BW125 to SF12BW125
658 +)))
528 528  
660 +(((
661 +507.7 - SF7BW125 to SF12BW125
662 +)))
529 529  
530 -=== 2.8.1  Battery Type ===
664 +(((
665 +507.9 - SF7BW125 to SF12BW125
666 +)))
531 531  
532 -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.
668 +(((
669 +508.1 - SF7BW125 to SF12BW125
670 +)))
533 533  
672 +(((
673 +505.3 - SF12BW125 (RX2 downlink only)
674 +)))
534 534  
535 -The battery related documents as below:
536 536  
537 -* (((
538 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
677 +
678 +=== 2.6.4  AU915-928(AU915) ===
679 +
680 +(((
681 +Default use CHE=2
682 +
683 +(% style="color:blue" %)**Uplink:**
684 +
685 +916.8 - SF7BW125 to SF12BW125
686 +
687 +917.0 - SF7BW125 to SF12BW125
688 +
689 +917.2 - SF7BW125 to SF12BW125
690 +
691 +917.4 - SF7BW125 to SF12BW125
692 +
693 +917.6 - SF7BW125 to SF12BW125
694 +
695 +917.8 - SF7BW125 to SF12BW125
696 +
697 +918.0 - SF7BW125 to SF12BW125
698 +
699 +918.2 - SF7BW125 to SF12BW125
700 +
701 +
702 +(% style="color:blue" %)**Downlink:**
703 +
704 +923.3 - SF7BW500 to SF12BW500
705 +
706 +923.9 - SF7BW500 to SF12BW500
707 +
708 +924.5 - SF7BW500 to SF12BW500
709 +
710 +925.1 - SF7BW500 to SF12BW500
711 +
712 +925.7 - SF7BW500 to SF12BW500
713 +
714 +926.3 - SF7BW500 to SF12BW500
715 +
716 +926.9 - SF7BW500 to SF12BW500
717 +
718 +927.5 - SF7BW500 to SF12BW500
719 +
720 +923.3 - SF12BW500(RX2 downlink only)
721 +
722 +
723 +
539 539  )))
540 -* (((
541 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
725 +
726 +=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
727 +
728 +(((
729 +(% style="color:blue" %)**Default Uplink channel:**
542 542  )))
543 -* (((
544 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
731 +
732 +(((
733 +923.2 - SF7BW125 to SF10BW125
545 545  )))
546 546  
547 - [[image:image-20220615102527-16.png]]
736 +(((
737 +923.4 - SF7BW125 to SF10BW125
738 +)))
548 548  
740 +(((
741 +
742 +)))
549 549  
744 +(((
745 +(% style="color:blue" %)**Additional Uplink Channel**:
746 +)))
550 550  
551 -== 2.8.2  Battery Note ==
748 +(((
749 +(OTAA mode, channel added by JoinAccept message)
750 +)))
552 552  
553 -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.
752 +(((
753 +
754 +)))
554 554  
756 +(((
757 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
758 +)))
555 555  
760 +(((
761 +922.2 - SF7BW125 to SF10BW125
762 +)))
556 556  
557 -=== 2.8.3  Replace the battery ===
764 +(((
765 +922.4 - SF7BW125 to SF10BW125
766 +)))
558 558  
559 559  (((
560 -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.
769 +922.6 - SF7BW125 to SF10BW125
561 561  )))
562 562  
563 563  (((
773 +922.8 - SF7BW125 to SF10BW125
774 +)))
775 +
776 +(((
777 +923.0 - SF7BW125 to SF10BW125
778 +)))
779 +
780 +(((
781 +922.0 - SF7BW125 to SF10BW125
782 +)))
783 +
784 +(((
564 564  
565 565  )))
566 566  
567 567  (((
568 -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)
789 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
569 569  )))
570 570  
792 +(((
793 +923.6 - SF7BW125 to SF10BW125
794 +)))
571 571  
796 +(((
797 +923.8 - SF7BW125 to SF10BW125
798 +)))
572 572  
573 -== 2.8.4  Battery Life Analyze ==
800 +(((
801 +924.0 - SF7BW125 to SF10BW125
802 +)))
574 574  
575 -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:
804 +(((
805 +924.2 - SF7BW125 to SF10BW125
806 +)))
576 576  
577 -[[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]]
808 +(((
809 +924.4 - SF7BW125 to SF10BW125
810 +)))
578 578  
812 +(((
813 +924.6 - SF7BW125 to SF10BW125
814 +)))
579 579  
816 +(((
817 +
818 +)))
580 580  
581 -= 3.  Using the AT Commands =
820 +(((
821 +(% style="color:blue" %)**Downlink:**
822 +)))
582 582  
583 583  (((
825 +Uplink channels 1-8 (RX1)
826 +)))
827 +
584 584  (((
829 +923.2 - SF10BW125 (RX2)
830 +)))
831 +
832 +
833 +
834 +=== 2.6.6  KR920-923 (KR920) ===
835 +
836 +(((
837 +(% style="color:blue" %)**Default channel:**
838 +)))
839 +
840 +(((
841 +922.1 - SF7BW125 to SF12BW125
842 +)))
843 +
844 +(((
845 +922.3 - SF7BW125 to SF12BW125
846 +)))
847 +
848 +(((
849 +922.5 - SF7BW125 to SF12BW125
850 +)))
851 +
852 +(((
585 585  
586 586  )))
855 +
856 +(((
857 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
587 587  )))
588 588  
589 -== 3.1  Access AT Commands ==
860 +(((
861 +922.1 - SF7BW125 to SF12BW125
862 +)))
590 590  
591 -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.
864 +(((
865 +922.3 - SF7BW125 to SF12BW125
866 +)))
592 592  
868 +(((
869 +922.5 - SF7BW125 to SF12BW125
870 +)))
593 593  
594 -[[image:image-20220610172924-4.png||height="483" width="988"]]
872 +(((
873 +922.7 - SF7BW125 to SF12BW125
874 +)))
595 595  
876 +(((
877 +922.9 - SF7BW125 to SF12BW125
878 +)))
596 596  
597 -Or if you have below board, use below connection:
880 +(((
881 +923.1 - SF7BW125 to SF12BW125
882 +)))
598 598  
884 +(((
885 +923.3 - SF7BW125 to SF12BW125
886 +)))
599 599  
600 -[[image:image-20220610172924-5.png]]
888 +(((
889 +
890 +)))
601 601  
892 +(((
893 +(% style="color:blue" %)**Downlink:**
894 +)))
602 602  
603 603  (((
604 -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:
897 +Uplink channels 1-7(RX1)
605 605  )))
606 606  
900 +(((
901 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
902 +)))
607 607  
608 - [[image:image-20220610172924-6.png||height="601" width="860"]]
609 609  
610 -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/]].
611 611  
906 +=== 2.6.7  IN865-867 (IN865) ===
612 612  
613 -AT+<CMD>?  :  Help on <CMD>
908 +(((
909 +(% style="color:blue" %)**Uplink:**
910 +)))
614 614  
615 -AT+<CMD>  :  Run <CMD>
912 +(((
913 +865.0625 - SF7BW125 to SF12BW125
914 +)))
616 616  
617 -AT+<CMD>=<value>  :  Set the value
916 +(((
917 +865.4025 - SF7BW125 to SF12BW125
918 +)))
618 618  
619 -AT+<CMD>=?  :  Get the value
920 +(((
921 +865.9850 - SF7BW125 to SF12BW125
922 +)))
620 620  
924 +(((
925 +
926 +)))
621 621  
622 -(% style="color:#037691" %)** General Commands :**     
928 +(((
929 +(% style="color:blue" %)**Downlink:**
930 +)))
623 623  
624 -AT  :  Attention       
932 +(((
933 +Uplink channels 1-3 (RX1)
934 +)))
625 625  
626 -AT?  :  Short Help     
936 +(((
937 +866.550 - SF10BW125 (RX2)
938 +)))
627 627  
628 -ATZ :  MCU Reset    
629 629  
630 -AT+TDC :  Application Data Transmission Interval 
631 631  
942 +== 2.7  LED Indicator ==
632 632  
633 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
944 +The LDDS75 has an internal LED which is to show the status of different state.
634 634  
635 -AT+APPEUI  :  Application EUI      
636 636  
637 -AT+APPKEY  :  Application Key     
947 +* Blink once when device power on.
948 +* The device detects the sensor and flashes 5 times.
949 +* Solid ON for 5 seconds once device successful Join the network.
950 +* Blink once when device transmit a packet.
638 638  
639 -AT+APPSKEY  :  Application Session Key
952 +== 2.8  ​Firmware Change Log ==
640 640  
641 -AT+DADDR :  Device Address     
642 642  
643 -AT+DEUI :  Device EUI     
955 +(((
956 +**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/]]
957 +)))
644 644  
645 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
959 +(((
960 +
961 +)))
646 646  
647 -AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
963 +(((
964 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
965 +)))
648 648  
649 -AT+CFM :  Confirm Mode       
650 650  
651 -AT+CFS :  Confirm Status       
652 652  
653 -AT+JOIN  :  Join LoRa? Network       
969 +== 2.9  Mechanical ==
654 654  
655 -AT+NJM  :  LoRa? Network Join Mode    
656 656  
657 -AT+NJS  :  LoRa? Network Join Status    
972 +[[image:image-20220610172003-1.png]]
658 658  
659 -AT+RECV  :  Print Last Received Data in Raw Format
660 660  
661 -AT+RECVB :  Print Last Received Data in Binary Format      
975 +[[image:image-20220610172003-2.png]]
662 662  
663 -AT+SEND  :  Send Text Data      
664 664  
665 -AT+SENB  :  Send Hexadecimal Data
666 666  
979 +== 2.10  Battery Analysis ==
667 667  
668 -(% style="color:#037691" %)** LoRa Network Management :**
981 +=== 2.10.1  Battery Type ===
669 669  
670 -AT+ADR  :  Adaptive Rate
983 +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.
671 671  
672 -AT+CLASS  :  LoRa Class(Currently only support class A
673 673  
674 -AT+DCS  :  Duty Cycle Setting 
986 +The battery related documents as below:
675 675  
676 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
988 +* (((
989 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
990 +)))
991 +* (((
992 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
993 +)))
994 +* (((
995 +[[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]]
996 +)))
677 677  
678 -AT+FCD  :  Frame Counter Downlink       
998 + [[image:image-20220610172400-3.png]]
679 679  
680 -AT+FCU  :  Frame Counter Uplink   
681 681  
682 -AT+JN1DL  :  Join Accept Delay1
683 683  
684 -AT+JN2DL  :  Join Accept Delay2
1002 +=== 2.10.2  Replace the battery ===
685 685  
686 -AT+PNM  :  Public Network Mode   
1004 +(((
1005 +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.
1006 +)))
687 687  
688 -AT+RX1DL  :  Receive Delay1      
1008 +(((
1009 +
1010 +)))
689 689  
690 -AT+RX2DL  :  Receive Delay2      
1012 +(((
1013 +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)
1014 +)))
691 691  
692 -AT+RX2DR  :  Rx2 Window Data Rate 
693 693  
694 -AT+RX2FQ  :  Rx2 Window Frequency
695 695  
696 -AT+TXP  :  Transmit Power
1018 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
697 697  
1020 +(((
1021 +(((
1022 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1023 +)))
1024 +)))
698 698  
699 -(% style="color:#037691" %)** Information :**
1026 +* (((
1027 +(((
1028 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1029 +)))
1030 +)))
1031 +* (((
1032 +(((
1033 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1034 +)))
1035 +)))
700 700  
701 -AT+RSSI  :  RSSI of the Last Received Packet   
1037 +(((
1038 +(((
1039 +
1040 +)))
702 702  
703 -AT+SNR  :  SNR of the Last Received Packet   
1042 +(((
1043 +There are two kinds of commands to configure LDDS75, they are:
1044 +)))
1045 +)))
704 704  
705 -AT+VER  :  Image Version and Frequency Band       
1047 +* (((
1048 +(((
1049 +(% style="color:#4f81bd" %)** General Commands**.
1050 +)))
1051 +)))
706 706  
707 -AT+FDR  :  Factory Data Reset
1053 +(((
1054 +(((
1055 +These commands are to configure:
1056 +)))
1057 +)))
708 708  
709 -AT+PORT  :  Application Port    
1059 +* (((
1060 +(((
1061 +General system settings like: uplink interval.
1062 +)))
1063 +)))
1064 +* (((
1065 +(((
1066 +LoRaWAN protocol & radio related command.
1067 +)))
1068 +)))
710 710  
711 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1070 +(((
1071 +(((
1072 +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]]
1073 +)))
1074 +)))
712 712  
713 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
1076 +(((
1077 +(((
1078 +
1079 +)))
1080 +)))
714 714  
1082 +* (((
1083 +(((
1084 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1085 +)))
1086 +)))
715 715  
1088 +(((
1089 +(((
1090 +These commands only valid for LDDS75, as below:
1091 +)))
1092 +)))
716 716  
717 -== 3.2  Set Interrupt Mode ==
718 718  
1095 +
1096 +== 3.1  Access AT Commands ==
1097 +
1098 +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.
1099 +
1100 +[[image:image-20220610172924-4.png||height="483" width="988"]]
1101 +
1102 +
1103 +Or if you have below board, use below connection:
1104 +
1105 +
1106 +[[image:image-20220610172924-5.png]]
1107 +
1108 +
1109 +(((
1110 +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:
1111 +)))
1112 +
1113 +
1114 + [[image:image-20220610172924-6.png||height="601" width="860"]]
1115 +
1116 +
1117 +
1118 +== 3.2  Set Transmit Interval Time ==
1119 +
1120 +Feature: Change LoRaWAN End Node Transmit Interval.
1121 +
1122 +(% style="color:#037691" %)**AT Command: AT+TDC**
1123 +
1124 +[[image:image-20220610173409-7.png]]
1125 +
1126 +
1127 +(((
1128 +(% style="color:#037691" %)**Downlink Command: 0x01**
1129 +)))
1130 +
1131 +(((
1132 +(((
1133 +Format: Command Code (0x01) followed by 3 bytes time value.
1134 +
1135 +(((
1136 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1137 +)))
1138 +
1139 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1140 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1141 +)))
1142 +)))
1143 +
1144 +
1145 +
1146 +
1147 +
1148 +== 3.3  Set Interrupt Mode ==
1149 +
719 719  Feature, Set Interrupt mode for GPIO_EXIT.
720 720  
721 721  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -734,23 +734,27 @@
734 734  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
735 735  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
736 736  
737 -
738 -
739 739  = 4.  FAQ =
740 740  
741 -== 4.1  What is the frequency plan for LDDS20? ==
1170 +== 4.1  What is the frequency plan for LDDS75? ==
742 742  
743 -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"]]
1172 +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"]]
744 744  
745 745  
746 746  
747 747  == 4.2  How to change the LoRa Frequency Bands/Region ==
748 748  
749 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
1178 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
750 750  When downloading the images, choose the required image file for download. ​
751 751  
752 752  
753 753  
1183 +== 4.3  Can I use LDDS75 in condensation environment? ==
1184 +
1185 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1186 +
1187 +
1188 +
754 754  = 5.  Trouble Shooting =
755 755  
756 756  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -770,7 +770,7 @@
770 770  = 6.  Order Info =
771 771  
772 772  
773 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
1208 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
774 774  
775 775  
776 776  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -784,20 +784,18 @@
784 784  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
785 785  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
786 786  
1222 +(% style="color:blue" %)**YY**(%%): Battery Option
787 787  
1224 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1225 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1226 +
788 788  = 7. ​ Packing Info =
789 789  
790 790  
791 791  **Package Includes**:
792 792  
793 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
1232 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
794 794  
795 -
796 -(% style="color:red" %)**Note:**
797 -
798 -(% 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.
799 -
800 -
801 801  **Dimension and weight**:
802 802  
803 803  * Device Size: cm
... ... @@ -805,7 +805,6 @@
805 805  * Package Size / pcs : cm
806 806  * Weight / pcs : g
807 807  
808 -
809 809  = 8.  ​Support =
810 810  
811 811  * 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.
1655261164557-670.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -59.2 KB
Content
image-20220615100930-15.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -10.5 KB
Content
image-20220615102527-16.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -182.9 KB
Content