Skip to Content
Last modified by Mengting Qiu on 2025/08/06 17:02
From version 169.2
edited by Xiaoling
on 2022/06/15 09:25
Change comment: There is no comment for this version
To version 173.5
edited by Xiaoling
on 2022/06/15 10:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -100,8 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 -
105 105  == 1.3  Suitable Container & Liquid ==
106 106  
107 107  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -111,8 +111,6 @@
111 111  ** Pure non metal material: <10 mm
112 112  * Pure liquid without irregular deposition.
113 113  
114 -
115 -
116 116  == 1.4  Mechanical ==
117 117  
118 118  [[image:image-20220615090910-1.png]]
... ... @@ -133,7 +133,7 @@
133 133  
134 134  
135 135  
136 -(% style="color:blue" %)**Step 2**(%%): Polish the installation point.
132 +(% style="color:blue" %)**Step 2**(%%):  Polish the installation point.
137 137  
138 138  For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
139 139  
... ... @@ -142,11 +142,12 @@
142 142  
143 143  No polish needed if the container is shine metal surface without paint or non-metal container.
144 144  
145 -[[image:image-20220615092044-12.png]]
141 +[[image:image-20220615092044-12.png]]
146 146  
147 147  
148 -(% style="color:blue" %)**Step3: **(%%)Test the installation point.
149 149  
145 +(% style="color:blue" %)**Step3:   **(%%)Test the installation point.
146 +
150 150  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.
151 151  
152 152  
... ... @@ -167,68 +167,64 @@
167 167  
168 168  LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
169 169  
170 -Note 2:
171 171  
172 -Ultrasonic coupling paste is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
168 +(% style="color:red" %)**Note 2:**
173 173  
170 +(% 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.
174 174  
175 -(% style="color:blue" %)**Step4: **(%%)Install use Epoxy ab glue.
176 176  
177 -[[image:image-20220615091045-8.png]]
178 178  
174 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 +
179 179  Prepare Eproxy AB glue.
180 180  
181 -
182 182  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
183 183  
184 -
185 185  Reset LDDS20 and see if the BLUE LED is slowly blinking.
186 186  
187 -[[image:image-20220615091045-9.png]]
182 +[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
188 188  
189 -(% style="color:red" %)Note1:
190 190  
185 +(% style="color:red" %)**Note 1:**
186 +
191 191  Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
192 192  
193 193  
194 -(% style="color:red" %)Note 2:
190 +(% style="color:red" %)**Note 2:**
195 195  
196 -(% style="color:blue" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
192 +(% style="color:red" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
197 197  
198 198  
199 199  
196 +== 1.6 ​ Applications ==
200 200  
198 +* Smart liquid control solution.
199 +* Smart liquefied gas solution.
201 201  
201 +== 1.7  Precautions ==
202 202  
203 -== 1.5 ​ Applications ==
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.
204 204  
205 -* Horizontal distance measurement
206 -* Liquid level measurement
207 -* Parking management system
208 -* Object proximity and presence detection
209 -* Intelligent trash can management system
210 -* Robot obstacle avoidance
211 -* Automatic control
212 -* Sewer
213 -* Bottom water level monitoring
207 +== 1.8  Pin mapping and power on ==
214 214  
215 -== 1.6  Pin mapping and power on ==
216 216  
210 +[[image:1655257026882-201.png]]
217 217  
218 -[[image:1654847583902-256.png]]
219 219  
220 220  
214 += 2.  Configure LDDS20 to connect to LoRaWAN network =
221 221  
222 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
223 223  
224 224  == 2.1  How it works ==
225 225  
226 226  (((
227 -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.
228 228  )))
229 229  
230 230  (((
231 -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.
232 232  )))
233 233  
234 234  
... ... @@ -240,7 +240,7 @@
240 240  )))
241 241  
242 242  (((
243 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
244 244  )))
245 245  
246 246  (((
... ... @@ -250,11 +250,11 @@
250 250  (((
251 251  
252 252  
253 -(% 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.
254 254  )))
255 255  
256 256  (((
257 -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.
258 258  )))
259 259  
260 260  [[image:image-20220607170145-1.jpeg]]
... ... @@ -284,6 +284,7 @@
284 284  [[image:image-20220610161353-7.png]]
285 285  
286 286  
280 +
287 287  You can also choose to create the device manually.
288 288  
289 289   [[image:image-20220610161538-8.png]]
... ... @@ -296,16 +296,17 @@
296 296  
297 297  
298 298  
299 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
300 300  
301 301  
302 302  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
303 303  
304 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
305 305  
306 306  
301 +
307 307  (((
308 -(% 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.
309 309  )))
310 310  
311 311  [[image:1654849068701-275.png]]
... ... @@ -316,12 +316,10 @@
316 316  
317 317  (((
318 318  (((
319 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
320 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
321 321  
322 -(((
323 -Uplink payload includes in total 4 bytes.
324 -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).
325 325  )))
326 326  )))
327 327  
... ... @@ -348,7 +348,7 @@
348 348  === 2.3.1  Battery Info ===
349 349  
350 350  
351 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
352 352  
353 353  Ex1: 0x0B45 = 2885mV
354 354  
... ... @@ -359,20 +359,19 @@
359 359  === 2.3.2  Distance ===
360 360  
361 361  (((
362 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
363 363  )))
364 364  
365 365  (((
366 -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.**
367 367  )))
368 368  
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.
369 369  
370 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
371 -* 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.
372 -
373 373  === 2.3.3  Interrupt Pin ===
374 374  
375 -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.
376 376  
377 377  **Example:**
378 378  
... ... @@ -418,533 +418,92 @@
418 418  The payload decoder function for TTN V3 is here:
419 419  
420 420  (((
421 -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/]]
422 422  )))
423 423  
424 424  
425 425  
426 -== 2.4  Uplink Interval ==
418 +== 2.4  Downlink Payload ==
427 427  
428 -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.
429 429  
422 +[[image:image-20220615100930-15.png]]
430 430  
431 431  
432 -== 2.5  ​Show Data in DataCake IoT Server ==
425 +**Examples:**
433 433  
434 -(((
435 -[[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:
436 -)))
437 437  
438 -(((
439 -
440 -)))
428 +* (% style="color:blue" %)**Set TDC**
441 441  
442 -(((
443 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
444 -)))
430 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
445 445  
446 -(((
447 -(% 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:**
448 -)))
432 +Payload:    01 00 00 1E    TDC=30S
449 449  
434 +Payload:    01 00 00 3C    TDC=60S
450 450  
451 -[[image:1654592790040-760.png]]
452 452  
437 +* (% style="color:blue" %)**Reset**
453 453  
454 -[[image:1654592800389-571.png]]
439 +If payload = 0x04FF, it will reset the LDDS20
455 455  
456 456  
457 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
442 +* (% style="color:blue" %)**CFM**
458 458  
459 -(% 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
460 460  
461 -[[image:1654851029373-510.png]]
462 462  
463 463  
464 -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 ==
465 465  
466 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
467 -
468 -
469 -
470 -== 2.6  Frequency Plans ==
471 -
472 472  (((
473 -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:
474 474  )))
475 475  
476 -
477 -
478 -=== 2.6.1  EU863-870 (EU868) ===
479 -
480 480  (((
481 -(% style="color:blue" %)**Uplink:**
482 -)))
483 -
484 -(((
485 -868.1 - SF7BW125 to SF12BW125
486 -)))
487 -
488 -(((
489 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
490 -)))
491 -
492 -(((
493 -868.5 - SF7BW125 to SF12BW125
494 -)))
495 -
496 -(((
497 -867.1 - SF7BW125 to SF12BW125
498 -)))
499 -
500 -(((
501 -867.3 - SF7BW125 to SF12BW125
502 -)))
503 -
504 -(((
505 -867.5 - SF7BW125 to SF12BW125
506 -)))
507 -
508 -(((
509 -867.7 - SF7BW125 to SF12BW125
510 -)))
511 -
512 -(((
513 -867.9 - SF7BW125 to SF12BW125
514 -)))
515 -
516 -(((
517 -868.8 - FSK
518 -)))
519 -
520 -(((
521 521  
522 522  )))
523 523  
524 524  (((
525 -(% 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.**
526 526  )))
527 527  
528 528  (((
529 -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:**
530 530  )))
531 531  
532 -(((
533 -869.525 - SF9BW125 (RX2 downlink only)
534 -)))
535 535  
467 +[[image:1654592790040-760.png]]
536 536  
537 537  
538 -=== 2.6.2  US902-928(US915) ===
470 +[[image:1654592800389-571.png]]
539 539  
540 -(((
541 -Used in USA, Canada and South America. Default use CHE=2
542 542  
543 -(% style="color:blue" %)**Uplink:**
473 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
544 544  
545 -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)(%%)**
546 546  
547 -904.1 - SF7BW125 to SF10BW125
477 +[[image:1654851029373-510.png]]
548 548  
549 -904.3 - SF7BW125 to SF10BW125
550 550  
551 -904.5 - SF7BW125 to SF10BW125
480 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
552 552  
553 -904.7 - SF7BW125 to SF10BW125
482 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
554 554  
555 -904.9 - SF7BW125 to SF10BW125
556 556  
557 -905.1 - SF7BW125 to SF10BW125
558 558  
559 -905.3 - SF7BW125 to SF10BW125
486 +== 2.6  LED Indicator ==
560 560  
488 +The LDDS20 has an internal LED which is to show the status of different state.
561 561  
562 -(% style="color:blue" %)**Downlink:**
563 563  
564 -923.3 - SF7BW500 to SF12BW500
565 -
566 -923.9 - SF7BW500 to SF12BW500
567 -
568 -924.5 - SF7BW500 to SF12BW500
569 -
570 -925.1 - SF7BW500 to SF12BW500
571 -
572 -925.7 - SF7BW500 to SF12BW500
573 -
574 -926.3 - SF7BW500 to SF12BW500
575 -
576 -926.9 - SF7BW500 to SF12BW500
577 -
578 -927.5 - SF7BW500 to SF12BW500
579 -
580 -923.3 - SF12BW500(RX2 downlink only)
581 -
582 -
583 -
584 -)))
585 -
586 -=== 2.6.3  CN470-510 (CN470) ===
587 -
588 -(((
589 -Used in China, Default use CHE=1
590 -)))
591 -
592 -(((
593 -(% style="color:blue" %)**Uplink:**
594 -)))
595 -
596 -(((
597 -486.3 - SF7BW125 to SF12BW125
598 -)))
599 -
600 -(((
601 -486.5 - SF7BW125 to SF12BW125
602 -)))
603 -
604 -(((
605 -486.7 - SF7BW125 to SF12BW125
606 -)))
607 -
608 -(((
609 -486.9 - SF7BW125 to SF12BW125
610 -)))
611 -
612 -(((
613 -487.1 - SF7BW125 to SF12BW125
614 -)))
615 -
616 -(((
617 -487.3 - SF7BW125 to SF12BW125
618 -)))
619 -
620 -(((
621 -487.5 - SF7BW125 to SF12BW125
622 -)))
623 -
624 -(((
625 -487.7 - SF7BW125 to SF12BW125
626 -)))
627 -
628 -(((
629 -
630 -)))
631 -
632 -(((
633 -(% style="color:blue" %)**Downlink:**
634 -)))
635 -
636 -(((
637 -506.7 - SF7BW125 to SF12BW125
638 -)))
639 -
640 -(((
641 -506.9 - SF7BW125 to SF12BW125
642 -)))
643 -
644 -(((
645 -507.1 - SF7BW125 to SF12BW125
646 -)))
647 -
648 -(((
649 -507.3 - SF7BW125 to SF12BW125
650 -)))
651 -
652 -(((
653 -507.5 - SF7BW125 to SF12BW125
654 -)))
655 -
656 -(((
657 -507.7 - SF7BW125 to SF12BW125
658 -)))
659 -
660 -(((
661 -507.9 - SF7BW125 to SF12BW125
662 -)))
663 -
664 -(((
665 -508.1 - SF7BW125 to SF12BW125
666 -)))
667 -
668 -(((
669 -505.3 - SF12BW125 (RX2 downlink only)
670 -)))
671 -
672 -
673 -
674 -=== 2.6.4  AU915-928(AU915) ===
675 -
676 -(((
677 -Default use CHE=2
678 -
679 -(% style="color:blue" %)**Uplink:**
680 -
681 -916.8 - SF7BW125 to SF12BW125
682 -
683 -917.0 - SF7BW125 to SF12BW125
684 -
685 -917.2 - SF7BW125 to SF12BW125
686 -
687 -917.4 - SF7BW125 to SF12BW125
688 -
689 -917.6 - SF7BW125 to SF12BW125
690 -
691 -917.8 - SF7BW125 to SF12BW125
692 -
693 -918.0 - SF7BW125 to SF12BW125
694 -
695 -918.2 - SF7BW125 to SF12BW125
696 -
697 -
698 -(% style="color:blue" %)**Downlink:**
699 -
700 -923.3 - SF7BW500 to SF12BW500
701 -
702 -923.9 - SF7BW500 to SF12BW500
703 -
704 -924.5 - SF7BW500 to SF12BW500
705 -
706 -925.1 - SF7BW500 to SF12BW500
707 -
708 -925.7 - SF7BW500 to SF12BW500
709 -
710 -926.3 - SF7BW500 to SF12BW500
711 -
712 -926.9 - SF7BW500 to SF12BW500
713 -
714 -927.5 - SF7BW500 to SF12BW500
715 -
716 -923.3 - SF12BW500(RX2 downlink only)
717 -
718 -
719 -
720 -)))
721 -
722 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
723 -
724 -(((
725 -(% style="color:blue" %)**Default Uplink channel:**
726 -)))
727 -
728 -(((
729 -923.2 - SF7BW125 to SF10BW125
730 -)))
731 -
732 -(((
733 -923.4 - SF7BW125 to SF10BW125
734 -)))
735 -
736 -(((
737 -
738 -)))
739 -
740 -(((
741 -(% style="color:blue" %)**Additional Uplink Channel**:
742 -)))
743 -
744 -(((
745 -(OTAA mode, channel added by JoinAccept message)
746 -)))
747 -
748 -(((
749 -
750 -)))
751 -
752 -(((
753 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
754 -)))
755 -
756 -(((
757 -922.2 - SF7BW125 to SF10BW125
758 -)))
759 -
760 -(((
761 -922.4 - SF7BW125 to SF10BW125
762 -)))
763 -
764 -(((
765 -922.6 - SF7BW125 to SF10BW125
766 -)))
767 -
768 -(((
769 -922.8 - SF7BW125 to SF10BW125
770 -)))
771 -
772 -(((
773 -923.0 - SF7BW125 to SF10BW125
774 -)))
775 -
776 -(((
777 -922.0 - SF7BW125 to SF10BW125
778 -)))
779 -
780 -(((
781 -
782 -)))
783 -
784 -(((
785 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
786 -)))
787 -
788 -(((
789 -923.6 - SF7BW125 to SF10BW125
790 -)))
791 -
792 -(((
793 -923.8 - SF7BW125 to SF10BW125
794 -)))
795 -
796 -(((
797 -924.0 - SF7BW125 to SF10BW125
798 -)))
799 -
800 -(((
801 -924.2 - SF7BW125 to SF10BW125
802 -)))
803 -
804 -(((
805 -924.4 - SF7BW125 to SF10BW125
806 -)))
807 -
808 -(((
809 -924.6 - SF7BW125 to SF10BW125
810 -)))
811 -
812 -(((
813 -
814 -)))
815 -
816 -(((
817 -(% style="color:blue" %)**Downlink:**
818 -)))
819 -
820 -(((
821 -Uplink channels 1-8 (RX1)
822 -)))
823 -
824 -(((
825 -923.2 - SF10BW125 (RX2)
826 -)))
827 -
828 -
829 -
830 -=== 2.6.6  KR920-923 (KR920) ===
831 -
832 -(((
833 -(% style="color:blue" %)**Default channel:**
834 -)))
835 -
836 -(((
837 -922.1 - SF7BW125 to SF12BW125
838 -)))
839 -
840 -(((
841 -922.3 - SF7BW125 to SF12BW125
842 -)))
843 -
844 -(((
845 -922.5 - SF7BW125 to SF12BW125
846 -)))
847 -
848 -(((
849 -
850 -)))
851 -
852 -(((
853 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
854 -)))
855 -
856 -(((
857 -922.1 - SF7BW125 to SF12BW125
858 -)))
859 -
860 -(((
861 -922.3 - SF7BW125 to SF12BW125
862 -)))
863 -
864 -(((
865 -922.5 - SF7BW125 to SF12BW125
866 -)))
867 -
868 -(((
869 -922.7 - SF7BW125 to SF12BW125
870 -)))
871 -
872 -(((
873 -922.9 - SF7BW125 to SF12BW125
874 -)))
875 -
876 -(((
877 -923.1 - SF7BW125 to SF12BW125
878 -)))
879 -
880 -(((
881 -923.3 - SF7BW125 to SF12BW125
882 -)))
883 -
884 -(((
885 -
886 -)))
887 -
888 -(((
889 -(% style="color:blue" %)**Downlink:**
890 -)))
891 -
892 -(((
893 -Uplink channels 1-7(RX1)
894 -)))
895 -
896 -(((
897 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
898 -)))
899 -
900 -
901 -
902 -=== 2.6.7  IN865-867 (IN865) ===
903 -
904 -(((
905 -(% style="color:blue" %)**Uplink:**
906 -)))
907 -
908 -(((
909 -865.0625 - SF7BW125 to SF12BW125
910 -)))
911 -
912 -(((
913 -865.4025 - SF7BW125 to SF12BW125
914 -)))
915 -
916 -(((
917 -865.9850 - SF7BW125 to SF12BW125
918 -)))
919 -
920 -(((
921 -
922 -)))
923 -
924 -(((
925 -(% style="color:blue" %)**Downlink:**
926 -)))
927 -
928 -(((
929 -Uplink channels 1-3 (RX1)
930 -)))
931 -
932 -(((
933 -866.550 - SF10BW125 (RX2)
934 -)))
935 -
936 -
937 -
938 -== 2.7  LED Indicator ==
939 -
940 -The LDDS75 has an internal LED which is to show the status of different state.
941 -
942 -
943 943  * Blink once when device power on.
944 944  * The device detects the sensor and flashes 5 times.
945 945  * Solid ON for 5 seconds once device successful Join the network.
946 -* Blink once when device transmit a packet.
947 947  
495 +Blink once when device transmit a packet.
496 +
497 +
498 +
948 948  == 2.8  ​Firmware Change Log ==
949 949  
950 950  
1655257026882-201.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +492.6 KB
Content
1655257698953-697.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +101.7 KB
Content
image-20220615095102-14.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +179.0 KB
Content
image-20220615100930-15.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +10.5 KB
Content