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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.8
edited by Xiaoling
on 2022/06/15 10:37
Change comment: There is no comment for this version
To version 173.6
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

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362 362  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
365 -
366 -
367 367  === 2.3.3  Interrupt Pin ===
368 368  
369 369  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.
... ... @@ -497,11 +497,11 @@
497 497  
498 498  
499 499  
500 -== 2.7  ​Firmware Change Log ==
498 +== 2.8  ​Firmware Change Log ==
501 501  
502 502  
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/]]
502 +**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/]]
505 505  )))
506 506  
507 507  (((
... ... @@ -509,45 +509,46 @@
509 509  )))
510 510  
511 511  (((
512 -**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
510 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
513 513  )))
514 514  
515 515  
516 516  
517 -== 2.8  Battery Analysis ==
515 +== 2.9  Mechanical ==
518 518  
519 519  
518 +[[image:image-20220610172003-1.png]]
520 520  
521 521  
522 -=== 2.8.1  Battery Type ===
521 +[[image:image-20220610172003-2.png]]
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.
525 525  
526 526  
525 +== 2.10  Battery Analysis ==
526 +
527 +=== 2.10.1  Battery Type ===
528 +
529 +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.
530 +
531 +
527 527  The battery related documents as below:
528 528  
529 529  * (((
530 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
535 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
531 531  )))
532 532  * (((
533 -[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
538 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
534 534  )))
535 535  * (((
536 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
541 +[[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]]
537 537  )))
538 538  
539 - [[image:image-20220615102527-16.png]]
544 + [[image:image-20220610172400-3.png]]
540 540  
541 541  
542 542  
543 -== 2.8.2  Battery Note ==
548 +=== 2.10.2  Replace the battery ===
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.
546 -
547 -
548 -
549 -=== 2.8.3  Replace the battery ===
550 -
551 551  (((
552 552  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.
553 553  )))
... ... @@ -562,27 +562,88 @@
562 562  
563 563  
564 564  
565 -== 2.8.4  Battery Life Analyze ==
564 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
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:
566 +(((
567 +(((
568 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
569 +)))
570 +)))
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]]
572 +* (((
573 +(((
574 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
575 +)))
576 +)))
577 +* (((
578 +(((
579 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
580 +)))
581 +)))
570 570  
583 +(((
584 +(((
585 +
586 +)))
571 571  
588 +(((
589 +There are two kinds of commands to configure LDDS75, they are:
590 +)))
591 +)))
572 572  
573 -= 3.  Using the AT Commands =
593 +* (((
594 +(((
595 +(% style="color:#4f81bd" %)** General Commands**.
596 +)))
597 +)))
574 574  
575 575  (((
576 576  (((
601 +These commands are to configure:
602 +)))
603 +)))
604 +
605 +* (((
606 +(((
607 +General system settings like: uplink interval.
608 +)))
609 +)))
610 +* (((
611 +(((
612 +LoRaWAN protocol & radio related command.
613 +)))
614 +)))
615 +
616 +(((
617 +(((
618 +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]]
619 +)))
620 +)))
621 +
622 +(((
623 +(((
577 577  
578 578  )))
579 579  )))
580 580  
581 -== 3.1  Access AT Commands ==
628 +* (((
629 +(((
630 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
631 +)))
632 +)))
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.
634 +(((
635 +(((
636 +These commands only valid for LDDS75, as below:
637 +)))
638 +)))
584 584  
585 585  
641 +
642 +== 3.1  Access AT Commands ==
643 +
644 +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.
645 +
586 586  [[image:image-20220610172924-4.png||height="483" width="988"]]
587 587  
588 588  
image-20220615102527-16.png
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