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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 169.7
edited by Xiaoling
on 2022/06/15 09:34
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

Summary

Details

Page properties
Content
... ... @@ -100,7 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 104  == 1.3  Suitable Container & Liquid ==
105 105  
106 106  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -110,7 +110,6 @@
110 110  ** Pure non metal material: <10 mm
111 111  * Pure liquid without irregular deposition.
112 112  
113 -
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
... ... @@ -143,6 +143,7 @@
143 143  [[image:image-20220615092044-12.png]]
144 144  
145 145  
144 +
146 146  (% style="color:blue" %)**Step3:   **(%%)Test the installation point.
147 147  
148 148  Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
... ... @@ -171,9 +171,9 @@
171 171  (% style="color:red" %)Ultrasonic coupling paste (%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
172 172  
173 173  
173 +
174 174  (% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 175  
176 -
177 177  Prepare Eproxy AB glue.
178 178  
179 179  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
... ... @@ -194,35 +194,35 @@
194 194  
195 195  
196 196  
197 -== 1.5 ​ Applications ==
196 +== 1.6 ​ Applications ==
198 198  
199 -* Horizontal distance measurement
200 -* Liquid level measurement
201 -* Parking management system
202 -* Object proximity and presence detection
203 -* Intelligent trash can management system
204 -* Robot obstacle avoidance
205 -* Automatic control
206 -* Sewer
207 -* Bottom water level monitoring
198 +* Smart liquid control solution.
199 +* Smart liquefied gas solution.
208 208  
209 -== 1.6  Pin mapping and power on ==
201 +== 1.7  Precautions ==
210 210  
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 +* 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 +* 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.
211 211  
212 -[[image:1654847583902-256.png]]
207 +== 1.8  Pin mapping and power on ==
213 213  
214 214  
210 +[[image:1655257026882-201.png]]
215 215  
216 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
217 217  
213 +
214 += 2.  Configure LDDS20 to connect to LoRaWAN network =
215 +
216 +
218 218  == 2.1  How it works ==
219 219  
220 220  (((
221 -The LDDS75 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
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.
222 222  )))
223 223  
224 224  (((
225 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
224 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
226 226  )))
227 227  
228 228  
... ... @@ -234,7 +234,7 @@
234 234  )))
235 235  
236 236  (((
237 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
238 238  )))
239 239  
240 240  (((
... ... @@ -244,11 +244,11 @@
244 244  (((
245 245  
246 246  
247 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
246 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS20.
248 248  )))
249 249  
250 250  (((
251 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
250 +Each LDDS20 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
252 252  )))
253 253  
254 254  [[image:image-20220607170145-1.jpeg]]
... ... @@ -278,6 +278,7 @@
278 278  [[image:image-20220610161353-7.png]]
279 279  
280 280  
280 +
281 281  You can also choose to create the device manually.
282 282  
283 283   [[image:image-20220610161538-8.png]]
... ... @@ -290,16 +290,17 @@
290 290  
291 291  
292 292  
293 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
294 294  
295 295  
296 296  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
297 297  
298 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
299 299  
300 300  
301 +
301 301  (((
302 -(% 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.
303 +(% 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.
303 303  )))
304 304  
305 305  [[image:1654849068701-275.png]]
... ... @@ -310,12 +310,10 @@
310 310  
311 311  (((
312 312  (((
313 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
314 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
315 315  
316 -(((
317 -Uplink payload includes in total 4 bytes.
318 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
316 +Uplink payload includes in total 8 bytes.
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).
319 319  )))
320 320  )))
321 321  
... ... @@ -342,7 +342,7 @@
342 342  === 2.3.1  Battery Info ===
343 343  
344 344  
345 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
346 346  
347 347  Ex1: 0x0B45 = 2885mV
348 348  
... ... @@ -353,20 +353,19 @@
353 353  === 2.3.2  Distance ===
354 354  
355 355  (((
356 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
357 357  )))
358 358  
359 359  (((
360 -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.**
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.**
361 361  )))
362 362  
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.
363 363  
364 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
365 -* 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.
366 -
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="H3.3A0SetInterruptMode"]] for the hardware and software set up.
367 +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.
370 370  
371 371  **Example:**
372 372  
... ... @@ -412,533 +412,91 @@
412 412  The payload decoder function for TTN V3 is here:
413 413  
414 414  (((
415 -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/]]
413 +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/]]
416 416  )))
417 417  
418 418  
419 419  
420 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
421 421  
422 -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"]]
420 +By default, LDDS20 prints the downlink payload to console port.
423 423  
422 +[[image:image-20220615100930-15.png]]
424 424  
425 425  
426 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
427 427  
428 -(((
429 -[[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:
430 -)))
431 431  
432 -(((
433 -
434 -)))
428 +* (% style="color:blue" %)**Set TDC**
435 435  
436 -(((
437 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
438 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
439 439  
440 -(((
441 -(% 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:**
442 -)))
432 +Payload:    01 00 00 1E    TDC=30S
443 443  
434 +Payload:    01 00 00 3C    TDC=60S
444 444  
445 -[[image:1654592790040-760.png]]
446 446  
437 +* (% style="color:blue" %)**Reset**
447 447  
448 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
449 449  
450 450  
451 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
452 452  
453 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
444 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
454 454  
455 -[[image:1654851029373-510.png]]
456 456  
457 457  
458 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
448 +== 2.5  ​Show Data in DataCake IoT Server ==
459 459  
460 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
461 -
462 -
463 -
464 -== 2.6  Frequency Plans ==
465 -
466 466  (((
467 -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.
451 +[[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:
468 468  )))
469 469  
470 -
471 -
472 -=== 2.6.1  EU863-870 (EU868) ===
473 -
474 474  (((
475 -(% style="color:blue" %)**Uplink:**
476 -)))
477 -
478 -(((
479 -868.1 - SF7BW125 to SF12BW125
480 -)))
481 -
482 -(((
483 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
484 -)))
485 -
486 -(((
487 -868.5 - SF7BW125 to SF12BW125
488 -)))
489 -
490 -(((
491 -867.1 - SF7BW125 to SF12BW125
492 -)))
493 -
494 -(((
495 -867.3 - SF7BW125 to SF12BW125
496 -)))
497 -
498 -(((
499 -867.5 - SF7BW125 to SF12BW125
500 -)))
501 -
502 -(((
503 -867.7 - SF7BW125 to SF12BW125
504 -)))
505 -
506 -(((
507 -867.9 - SF7BW125 to SF12BW125
508 -)))
509 -
510 -(((
511 -868.8 - FSK
512 -)))
513 -
514 -(((
515 515  
516 516  )))
517 517  
518 518  (((
519 -(% style="color:blue" %)**Downlink:**
459 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
520 520  )))
521 521  
522 522  (((
523 -Uplink channels 1-9 (RX1)
463 +(% 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:**
524 524  )))
525 525  
526 -(((
527 -869.525 - SF9BW125 (RX2 downlink only)
528 -)))
529 529  
467 +[[image:1654592790040-760.png]]
530 530  
531 531  
532 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
533 533  
534 -(((
535 -Used in USA, Canada and South America. Default use CHE=2
536 536  
537 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
538 538  
539 -903.9 - SF7BW125 to SF10BW125
475 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
540 540  
541 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
542 542  
543 -904.3 - SF7BW125 to SF10BW125
544 544  
545 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
546 546  
547 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
548 548  
549 -904.9 - SF7BW125 to SF10BW125
550 550  
551 -905.1 - SF7BW125 to SF10BW125
552 552  
553 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
554 554  
488 +The LDDS20 has an internal LED which is to show the status of different state.
555 555  
556 -(% style="color:blue" %)**Downlink:**
557 557  
558 -923.3 - SF7BW500 to SF12BW500
559 -
560 -923.9 - SF7BW500 to SF12BW500
561 -
562 -924.5 - SF7BW500 to SF12BW500
563 -
564 -925.1 - SF7BW500 to SF12BW500
565 -
566 -925.7 - SF7BW500 to SF12BW500
567 -
568 -926.3 - SF7BW500 to SF12BW500
569 -
570 -926.9 - SF7BW500 to SF12BW500
571 -
572 -927.5 - SF7BW500 to SF12BW500
573 -
574 -923.3 - SF12BW500(RX2 downlink only)
575 -
576 -
577 -
578 -)))
579 -
580 -=== 2.6.3  CN470-510 (CN470) ===
581 -
582 -(((
583 -Used in China, Default use CHE=1
584 -)))
585 -
586 -(((
587 -(% style="color:blue" %)**Uplink:**
588 -)))
589 -
590 -(((
591 -486.3 - SF7BW125 to SF12BW125
592 -)))
593 -
594 -(((
595 -486.5 - SF7BW125 to SF12BW125
596 -)))
597 -
598 -(((
599 -486.7 - SF7BW125 to SF12BW125
600 -)))
601 -
602 -(((
603 -486.9 - SF7BW125 to SF12BW125
604 -)))
605 -
606 -(((
607 -487.1 - SF7BW125 to SF12BW125
608 -)))
609 -
610 -(((
611 -487.3 - SF7BW125 to SF12BW125
612 -)))
613 -
614 -(((
615 -487.5 - SF7BW125 to SF12BW125
616 -)))
617 -
618 -(((
619 -487.7 - SF7BW125 to SF12BW125
620 -)))
621 -
622 -(((
623 -
624 -)))
625 -
626 -(((
627 -(% style="color:blue" %)**Downlink:**
628 -)))
629 -
630 -(((
631 -506.7 - SF7BW125 to SF12BW125
632 -)))
633 -
634 -(((
635 -506.9 - SF7BW125 to SF12BW125
636 -)))
637 -
638 -(((
639 -507.1 - SF7BW125 to SF12BW125
640 -)))
641 -
642 -(((
643 -507.3 - SF7BW125 to SF12BW125
644 -)))
645 -
646 -(((
647 -507.5 - SF7BW125 to SF12BW125
648 -)))
649 -
650 -(((
651 -507.7 - SF7BW125 to SF12BW125
652 -)))
653 -
654 -(((
655 -507.9 - SF7BW125 to SF12BW125
656 -)))
657 -
658 -(((
659 -508.1 - SF7BW125 to SF12BW125
660 -)))
661 -
662 -(((
663 -505.3 - SF12BW125 (RX2 downlink only)
664 -)))
665 -
666 -
667 -
668 -=== 2.6.4  AU915-928(AU915) ===
669 -
670 -(((
671 -Default use CHE=2
672 -
673 -(% style="color:blue" %)**Uplink:**
674 -
675 -916.8 - SF7BW125 to SF12BW125
676 -
677 -917.0 - SF7BW125 to SF12BW125
678 -
679 -917.2 - SF7BW125 to SF12BW125
680 -
681 -917.4 - SF7BW125 to SF12BW125
682 -
683 -917.6 - SF7BW125 to SF12BW125
684 -
685 -917.8 - SF7BW125 to SF12BW125
686 -
687 -918.0 - SF7BW125 to SF12BW125
688 -
689 -918.2 - SF7BW125 to SF12BW125
690 -
691 -
692 -(% style="color:blue" %)**Downlink:**
693 -
694 -923.3 - SF7BW500 to SF12BW500
695 -
696 -923.9 - SF7BW500 to SF12BW500
697 -
698 -924.5 - SF7BW500 to SF12BW500
699 -
700 -925.1 - SF7BW500 to SF12BW500
701 -
702 -925.7 - SF7BW500 to SF12BW500
703 -
704 -926.3 - SF7BW500 to SF12BW500
705 -
706 -926.9 - SF7BW500 to SF12BW500
707 -
708 -927.5 - SF7BW500 to SF12BW500
709 -
710 -923.3 - SF12BW500(RX2 downlink only)
711 -
712 -
713 -
714 -)))
715 -
716 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
717 -
718 -(((
719 -(% style="color:blue" %)**Default Uplink channel:**
720 -)))
721 -
722 -(((
723 -923.2 - SF7BW125 to SF10BW125
724 -)))
725 -
726 -(((
727 -923.4 - SF7BW125 to SF10BW125
728 -)))
729 -
730 -(((
731 -
732 -)))
733 -
734 -(((
735 -(% style="color:blue" %)**Additional Uplink Channel**:
736 -)))
737 -
738 -(((
739 -(OTAA mode, channel added by JoinAccept message)
740 -)))
741 -
742 -(((
743 -
744 -)))
745 -
746 -(((
747 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
748 -)))
749 -
750 -(((
751 -922.2 - SF7BW125 to SF10BW125
752 -)))
753 -
754 -(((
755 -922.4 - SF7BW125 to SF10BW125
756 -)))
757 -
758 -(((
759 -922.6 - SF7BW125 to SF10BW125
760 -)))
761 -
762 -(((
763 -922.8 - SF7BW125 to SF10BW125
764 -)))
765 -
766 -(((
767 -923.0 - SF7BW125 to SF10BW125
768 -)))
769 -
770 -(((
771 -922.0 - SF7BW125 to SF10BW125
772 -)))
773 -
774 -(((
775 -
776 -)))
777 -
778 -(((
779 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
780 -)))
781 -
782 -(((
783 -923.6 - SF7BW125 to SF10BW125
784 -)))
785 -
786 -(((
787 -923.8 - SF7BW125 to SF10BW125
788 -)))
789 -
790 -(((
791 -924.0 - SF7BW125 to SF10BW125
792 -)))
793 -
794 -(((
795 -924.2 - SF7BW125 to SF10BW125
796 -)))
797 -
798 -(((
799 -924.4 - SF7BW125 to SF10BW125
800 -)))
801 -
802 -(((
803 -924.6 - SF7BW125 to SF10BW125
804 -)))
805 -
806 -(((
807 -
808 -)))
809 -
810 -(((
811 -(% style="color:blue" %)**Downlink:**
812 -)))
813 -
814 -(((
815 -Uplink channels 1-8 (RX1)
816 -)))
817 -
818 -(((
819 -923.2 - SF10BW125 (RX2)
820 -)))
821 -
822 -
823 -
824 -=== 2.6.6  KR920-923 (KR920) ===
825 -
826 -(((
827 -(% style="color:blue" %)**Default channel:**
828 -)))
829 -
830 -(((
831 -922.1 - SF7BW125 to SF12BW125
832 -)))
833 -
834 -(((
835 -922.3 - SF7BW125 to SF12BW125
836 -)))
837 -
838 -(((
839 -922.5 - SF7BW125 to SF12BW125
840 -)))
841 -
842 -(((
843 -
844 -)))
845 -
846 -(((
847 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
848 -)))
849 -
850 -(((
851 -922.1 - SF7BW125 to SF12BW125
852 -)))
853 -
854 -(((
855 -922.3 - SF7BW125 to SF12BW125
856 -)))
857 -
858 -(((
859 -922.5 - SF7BW125 to SF12BW125
860 -)))
861 -
862 -(((
863 -922.7 - SF7BW125 to SF12BW125
864 -)))
865 -
866 -(((
867 -922.9 - SF7BW125 to SF12BW125
868 -)))
869 -
870 -(((
871 -923.1 - SF7BW125 to SF12BW125
872 -)))
873 -
874 -(((
875 -923.3 - SF7BW125 to SF12BW125
876 -)))
877 -
878 -(((
879 -
880 -)))
881 -
882 -(((
883 -(% style="color:blue" %)**Downlink:**
884 -)))
885 -
886 -(((
887 -Uplink channels 1-7(RX1)
888 -)))
889 -
890 -(((
891 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
892 -)))
893 -
894 -
895 -
896 -=== 2.6.7  IN865-867 (IN865) ===
897 -
898 -(((
899 -(% style="color:blue" %)**Uplink:**
900 -)))
901 -
902 -(((
903 -865.0625 - SF7BW125 to SF12BW125
904 -)))
905 -
906 -(((
907 -865.4025 - SF7BW125 to SF12BW125
908 -)))
909 -
910 -(((
911 -865.9850 - SF7BW125 to SF12BW125
912 -)))
913 -
914 -(((
915 -
916 -)))
917 -
918 -(((
919 -(% style="color:blue" %)**Downlink:**
920 -)))
921 -
922 -(((
923 -Uplink channels 1-3 (RX1)
924 -)))
925 -
926 -(((
927 -866.550 - SF10BW125 (RX2)
928 -)))
929 -
930 -
931 -
932 -== 2.7  LED Indicator ==
933 -
934 -The LDDS75 has an internal LED which is to show the status of different state.
935 -
936 -
937 937  * Blink once when device power on.
938 938  * The device detects the sensor and flashes 5 times.
939 939  * Solid ON for 5 seconds once device successful Join the network.
940 940  * Blink once when device transmit a packet.
941 941  
496 +
497 +
942 942  == 2.8  ​Firmware Change Log ==
943 943  
944 944  
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