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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 169.4
edited by Xiaoling
on 2022/06/15 09:28
Change comment: There is no comment for this version
To version 175.1
edited by Xiaoling
on 2022/06/15 10:46
Change comment: Uploaded new attachment "1655261164557-670.png", version {1}

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]]
... ... @@ -145,8 +145,9 @@
145 145  [[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  
... ... @@ -173,63 +173,58 @@
173 173  (% 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  
175 175  
176 -(% style="color:blue" %)**Step4:  **(%%)Install use Epoxy ab glue.
177 177  
178 -[[image:image-20220615091045-8.png]]
174 +(% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
179 179  
180 180  Prepare Eproxy AB glue.
181 181  
182 -
183 183  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
184 184  
185 -
186 186  Reset LDDS20 and see if the BLUE LED is slowly blinking.
187 187  
188 -[[image:image-20220615091045-9.png]]
182 +[[image:image-20220615091045-8.png||height="226" width="380"]] [[image:image-20220615091045-9.png||height="239" width="339"]]
189 189  
190 -(% style="color:red" %)Note1:
191 191  
185 +(% style="color:red" %)**Note 1:**
186 +
192 192  Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
193 193  
194 194  
195 -(% style="color:red" %)Note 2:
190 +(% style="color:red" %)**Note 2:**
196 196  
197 -(% 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.
198 198  
199 199  
200 200  
196 +== 1.6 ​ Applications ==
201 201  
198 +* Smart liquid control solution.
199 +* Smart liquefied gas solution.
202 202  
201 +== 1.7  Precautions ==
203 203  
204 -== 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.
205 205  
206 -* Horizontal distance measurement
207 -* Liquid level measurement
208 -* Parking management system
209 -* Object proximity and presence detection
210 -* Intelligent trash can management system
211 -* Robot obstacle avoidance
212 -* Automatic control
213 -* Sewer
214 -* Bottom water level monitoring
207 +== 1.8  Pin mapping and power on ==
215 215  
216 -== 1.6  Pin mapping and power on ==
217 217  
210 +[[image:1655257026882-201.png]]
218 218  
219 -[[image:1654847583902-256.png]]
220 220  
221 221  
214 += 2.  Configure LDDS20 to connect to LoRaWAN network =
222 222  
223 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
224 224  
225 225  == 2.1  How it works ==
226 226  
227 227  (((
228 -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.
229 229  )))
230 230  
231 231  (((
232 -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.
233 233  )))
234 234  
235 235  
... ... @@ -241,7 +241,7 @@
241 241  )))
242 242  
243 243  (((
244 -[[image:1654848616367-242.png]]
236 +[[image:1655257698953-697.png]]
245 245  )))
246 246  
247 247  (((
... ... @@ -251,11 +251,11 @@
251 251  (((
252 252  
253 253  
254 -(% 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.
255 255  )))
256 256  
257 257  (((
258 -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.
259 259  )))
260 260  
261 261  [[image:image-20220607170145-1.jpeg]]
... ... @@ -285,6 +285,7 @@
285 285  [[image:image-20220610161353-7.png]]
286 286  
287 287  
280 +
288 288  You can also choose to create the device manually.
289 289  
290 290   [[image:image-20220610161538-8.png]]
... ... @@ -297,16 +297,17 @@
297 297  
298 298  
299 299  
300 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
293 +(% style="color:blue" %)**Step 2**(%%):  Power on LDDS20
301 301  
302 302  
303 303  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
304 304  
305 -[[image:image-20220610161724-10.png]]
298 +[[image:image-20220615095102-14.png]]
306 306  
307 307  
301 +
308 308  (((
309 -(% 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.
310 310  )))
311 311  
312 312  [[image:1654849068701-275.png]]
... ... @@ -317,12 +317,10 @@
317 317  
318 318  (((
319 319  (((
320 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
321 -)))
314 +LDDS20 will uplink payload via LoRaWAN with below payload format: 
322 322  
323 -(((
324 -Uplink payload includes in total 4 bytes.
325 -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).
326 326  )))
327 327  )))
328 328  
... ... @@ -349,7 +349,7 @@
349 349  === 2.3.1  Battery Info ===
350 350  
351 351  
352 -Check the battery voltage for LDDS75.
344 +Check the battery voltage for LDDS20.
353 353  
354 354  Ex1: 0x0B45 = 2885mV
355 355  
... ... @@ -360,20 +360,21 @@
360 360  === 2.3.2  Distance ===
361 361  
362 362  (((
363 -Get the distance. Flat object range 280mm - 7500mm.
355 +Get the distance. Flat object range 20mm - 2000mm.
364 364  )))
365 365  
366 366  (((
367 -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.**
368 368  )))
369 369  
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.
370 370  
371 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
372 -* 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.
373 373  
366 +
374 374  === 2.3.3  Interrupt Pin ===
375 375  
376 -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.
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.
377 377  
378 378  **Example:**
379 379  
... ... @@ -419,699 +419,300 @@
419 419  The payload decoder function for TTN V3 is here:
420 420  
421 421  (((
422 -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/]]
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/]]
423 423  )))
424 424  
425 425  
426 426  
427 -== 2.4  Uplink Interval ==
420 +== 2.4  Downlink Payload ==
428 428  
429 -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"]]
422 +By default, LDDS20 prints the downlink payload to console port.
430 430  
424 +[[image:image-20220615100930-15.png]]
431 431  
432 432  
433 -== 2.5  ​Show Data in DataCake IoT Server ==
427 +**Examples:**
434 434  
435 -(((
436 -[[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:
437 -)))
438 438  
439 -(((
440 -
441 -)))
430 +* (% style="color:blue" %)**Set TDC**
442 442  
443 -(((
444 -(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
445 -)))
432 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
446 446  
447 -(((
448 -(% 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:**
449 -)))
434 +Payload:    01 00 00 1E    TDC=30S
450 450  
436 +Payload:    01 00 00 3C    TDC=60S
451 451  
452 -[[image:1654592790040-760.png]]
453 453  
439 +* (% style="color:blue" %)**Reset**
454 454  
455 -[[image:1654592800389-571.png]]
441 +If payload = 0x04FF, it will reset the LDDS20
456 456  
457 457  
458 -(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
444 +* (% style="color:blue" %)**CFM**
459 459  
460 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
446 +Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
461 461  
462 -[[image:1654851029373-510.png]]
463 463  
464 464  
465 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
450 +== 2.5  ​Show Data in DataCake IoT Server ==
466 466  
467 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
468 -
469 -
470 -
471 -== 2.6  Frequency Plans ==
472 -
473 473  (((
474 -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.
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:
475 475  )))
476 476  
477 -
478 -
479 -=== 2.6.1  EU863-870 (EU868) ===
480 -
481 481  (((
482 -(% style="color:blue" %)**Uplink:**
483 -)))
484 -
485 -(((
486 -868.1 - SF7BW125 to SF12BW125
487 -)))
488 -
489 -(((
490 -868.3 - SF7BW125 to SF12BW125 and SF7BW250
491 -)))
492 -
493 -(((
494 -868.5 - SF7BW125 to SF12BW125
495 -)))
496 -
497 -(((
498 -867.1 - SF7BW125 to SF12BW125
499 -)))
500 -
501 -(((
502 -867.3 - SF7BW125 to SF12BW125
503 -)))
504 -
505 -(((
506 -867.5 - SF7BW125 to SF12BW125
507 -)))
508 -
509 -(((
510 -867.7 - SF7BW125 to SF12BW125
511 -)))
512 -
513 -(((
514 -867.9 - SF7BW125 to SF12BW125
515 -)))
516 -
517 -(((
518 -868.8 - FSK
519 -)))
520 -
521 -(((
522 522  
523 523  )))
524 524  
525 525  (((
526 -(% style="color:blue" %)**Downlink:**
461 +(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
527 527  )))
528 528  
529 529  (((
530 -Uplink channels 1-9 (RX1)
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:**
531 531  )))
532 532  
533 -(((
534 -869.525 - SF9BW125 (RX2 downlink only)
535 -)))
536 536  
469 +[[image:1654592790040-760.png]]
537 537  
538 538  
539 -=== 2.6.2  US902-928(US915) ===
472 +[[image:1654592800389-571.png]]
540 540  
541 -(((
542 -Used in USA, Canada and South America. Default use CHE=2
543 543  
544 -(% style="color:blue" %)**Uplink:**
475 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
545 545  
546 -903.9 - SF7BW125 to SF10BW125
477 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.(% style="color:red" %)(Note: LDDS20 use same payload as LDDS75)(%%)**
547 547  
548 -904.1 - SF7BW125 to SF10BW125
479 +[[image:1654851029373-510.png]]
549 549  
550 -904.3 - SF7BW125 to SF10BW125
551 551  
552 -904.5 - SF7BW125 to SF10BW125
482 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
553 553  
554 -904.7 - SF7BW125 to SF10BW125
484 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
555 555  
556 -904.9 - SF7BW125 to SF10BW125
557 557  
558 -905.1 - SF7BW125 to SF10BW125
559 559  
560 -905.3 - SF7BW125 to SF10BW125
488 +== 2.6  LED Indicator ==
561 561  
490 +The LDDS20 has an internal LED which is to show the status of different state.
562 562  
563 -(% style="color:blue" %)**Downlink:**
564 564  
565 -923.3 - SF7BW500 to SF12BW500
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.
566 566  
567 -923.9 - SF7BW500 to SF12BW500
568 568  
569 -924.5 - SF7BW500 to SF12BW500
570 570  
571 -925.1 - SF7BW500 to SF12BW500
500 +== 2.7  ​Firmware Change Log ==
572 572  
573 -925.7 - SF7BW500 to SF12BW500
574 574  
575 -926.3 - SF7BW500 to SF12BW500
576 -
577 -926.9 - SF7BW500 to SF12BW500
578 -
579 -927.5 - SF7BW500 to SF12BW500
580 -
581 -923.3 - SF12BW500(RX2 downlink only)
582 -
583 -
584 -
585 -)))
586 -
587 -=== 2.6.3  CN470-510 (CN470) ===
588 -
589 589  (((
590 -Used in China, Default use CHE=1
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/]]
591 591  )))
592 592  
593 593  (((
594 -(% style="color:blue" %)**Uplink:**
595 -)))
596 -
597 -(((
598 -486.3 - SF7BW125 to SF12BW125
599 -)))
600 -
601 -(((
602 -486.5 - SF7BW125 to SF12BW125
603 -)))
604 -
605 -(((
606 -486.7 - SF7BW125 to SF12BW125
607 -)))
608 -
609 -(((
610 -486.9 - SF7BW125 to SF12BW125
611 -)))
612 -
613 -(((
614 -487.1 - SF7BW125 to SF12BW125
615 -)))
616 -
617 -(((
618 -487.3 - SF7BW125 to SF12BW125
619 -)))
620 -
621 -(((
622 -487.5 - SF7BW125 to SF12BW125
623 -)))
624 -
625 -(((
626 -487.7 - SF7BW125 to SF12BW125
627 -)))
628 -
629 -(((
630 630  
631 631  )))
632 632  
633 633  (((
634 -(% style="color:blue" %)**Downlink:**
512 +**Firmware Upgrade Method:  [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]**
635 635  )))
636 636  
637 -(((
638 -506.7 - SF7BW125 to SF12BW125
639 -)))
640 640  
641 -(((
642 -506.9 - SF7BW125 to SF12BW125
643 -)))
644 644  
645 -(((
646 -507.1 - SF7BW125 to SF12BW125
647 -)))
517 +== 2.8  Battery Analysis ==
648 648  
649 -(((
650 -507.3 - SF7BW125 to SF12BW125
651 -)))
652 652  
653 -(((
654 -507.5 - SF7BW125 to SF12BW125
655 -)))
656 656  
657 -(((
658 -507.7 - SF7BW125 to SF12BW125
659 -)))
660 660  
661 -(((
662 -507.9 - SF7BW125 to SF12BW125
663 -)))
522 +=== 2.8.1  Battery Type ===
664 664  
665 -(((
666 -508.1 - SF7BW125 to SF12BW125
667 -)))
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.
668 668  
669 -(((
670 -505.3 - SF12BW125 (RX2 downlink only)
671 -)))
672 672  
527 +The battery related documents as below:
673 673  
674 -
675 -=== 2.6.4  AU915-928(AU915) ===
676 -
677 -(((
678 -Default use CHE=2
679 -
680 -(% style="color:blue" %)**Uplink:**
681 -
682 -916.8 - SF7BW125 to SF12BW125
683 -
684 -917.0 - SF7BW125 to SF12BW125
685 -
686 -917.2 - SF7BW125 to SF12BW125
687 -
688 -917.4 - SF7BW125 to SF12BW125
689 -
690 -917.6 - SF7BW125 to SF12BW125
691 -
692 -917.8 - SF7BW125 to SF12BW125
693 -
694 -918.0 - SF7BW125 to SF12BW125
695 -
696 -918.2 - SF7BW125 to SF12BW125
697 -
698 -
699 -(% style="color:blue" %)**Downlink:**
700 -
701 -923.3 - SF7BW500 to SF12BW500
702 -
703 -923.9 - SF7BW500 to SF12BW500
704 -
705 -924.5 - SF7BW500 to SF12BW500
706 -
707 -925.1 - SF7BW500 to SF12BW500
708 -
709 -925.7 - SF7BW500 to SF12BW500
710 -
711 -926.3 - SF7BW500 to SF12BW500
712 -
713 -926.9 - SF7BW500 to SF12BW500
714 -
715 -927.5 - SF7BW500 to SF12BW500
716 -
717 -923.3 - SF12BW500(RX2 downlink only)
718 -
719 -
720 -
529 +* (((
530 +[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
721 721  )))
722 -
723 -=== 2.6.5  AS920-923 & AS923-925 (AS923) ===
724 -
725 -(((
726 -(% style="color:blue" %)**Default Uplink channel:**
532 +* (((
533 +[[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
727 727  )))
728 -
729 -(((
730 -923.2 - SF7BW125 to SF10BW125
535 +* (((
536 +[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
731 731  )))
732 732  
733 -(((
734 -923.4 - SF7BW125 to SF10BW125
735 -)))
539 + [[image:image-20220615102527-16.png]]
736 736  
737 -(((
738 -
739 -)))
740 740  
741 -(((
742 -(% style="color:blue" %)**Additional Uplink Channel**:
743 -)))
744 744  
745 -(((
746 -(OTAA mode, channel added by JoinAccept message)
747 -)))
543 +== 2.8.2  Battery Note ==
748 748  
749 -(((
750 -
751 -)))
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.
752 752  
753 -(((
754 -(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
755 -)))
756 756  
757 -(((
758 -922.2 - SF7BW125 to SF10BW125
759 -)))
760 760  
761 -(((
762 -922.4 - SF7BW125 to SF10BW125
763 -)))
549 +=== 2.8.3  Replace the battery ===
764 764  
765 765  (((
766 -922.6 - SF7BW125 to SF10BW125
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.
767 767  )))
768 768  
769 769  (((
770 -922.8 - SF7BW125 to SF10BW125
771 -)))
772 -
773 -(((
774 -923.0 - SF7BW125 to SF10BW125
775 -)))
776 -
777 -(((
778 -922.0 - SF7BW125 to SF10BW125
779 -)))
780 -
781 -(((
782 782  
783 783  )))
784 784  
785 785  (((
786 -(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
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)
787 787  )))
788 788  
789 -(((
790 -923.6 - SF7BW125 to SF10BW125
791 -)))
792 792  
793 -(((
794 -923.8 - SF7BW125 to SF10BW125
795 -)))
796 796  
797 -(((
798 -924.0 - SF7BW125 to SF10BW125
799 -)))
565 +== 2.8.4  Battery Life Analyze ==
800 800  
801 -(((
802 -924.2 - SF7BW125 to SF10BW125
803 -)))
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:
804 804  
805 -(((
806 -924.4 - SF7BW125 to SF10BW125
807 -)))
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]]
808 808  
809 -(((
810 -924.6 - SF7BW125 to SF10BW125
811 -)))
812 812  
813 -(((
814 -
815 -)))
816 816  
817 -(((
818 -(% style="color:blue" %)**Downlink:**
819 -)))
573 += 3.  Using the AT Commands =
820 820  
821 821  (((
822 -Uplink channels 1-8 (RX1)
823 -)))
824 -
825 825  (((
826 -923.2 - SF10BW125 (RX2)
827 -)))
828 -
829 -
830 -
831 -=== 2.6.6  KR920-923 (KR920) ===
832 -
833 -(((
834 -(% style="color:blue" %)**Default channel:**
835 -)))
836 -
837 -(((
838 -922.1 - SF7BW125 to SF12BW125
839 -)))
840 -
841 -(((
842 -922.3 - SF7BW125 to SF12BW125
843 -)))
844 -
845 -(((
846 -922.5 - SF7BW125 to SF12BW125
847 -)))
848 -
849 -(((
850 850  
851 851  )))
852 -
853 -(((
854 -(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
855 855  )))
856 856  
857 -(((
858 -922.1 - SF7BW125 to SF12BW125
859 -)))
581 +== 3.1  Access AT Commands ==
860 860  
861 -(((
862 -922.3 - SF7BW125 to SF12BW125
863 -)))
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.
864 864  
865 -(((
866 -922.5 - SF7BW125 to SF12BW125
867 -)))
868 868  
869 -(((
870 -922.7 - SF7BW125 to SF12BW125
871 -)))
586 +[[image:image-20220610172924-4.png||height="483" width="988"]]
872 872  
873 -(((
874 -922.9 - SF7BW125 to SF12BW125
875 -)))
876 876  
877 -(((
878 -923.1 - SF7BW125 to SF12BW125
879 -)))
589 +Or if you have below board, use below connection:
880 880  
881 -(((
882 -923.3 - SF7BW125 to SF12BW125
883 -)))
884 884  
885 -(((
886 -
887 -)))
592 +[[image:image-20220610172924-5.png]]
888 888  
889 -(((
890 -(% style="color:blue" %)**Downlink:**
891 -)))
892 892  
893 893  (((
894 -Uplink channels 1-7(RX1)
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:
895 895  )))
896 896  
897 -(((
898 -921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
899 -)))
900 900  
600 + [[image:image-20220610172924-6.png||height="601" width="860"]]
901 901  
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/]].
902 902  
903 -=== 2.6.7  IN865-867 (IN865) ===
904 904  
905 -(((
906 -(% style="color:blue" %)**Uplink:**
907 -)))
605 +AT+<CMD>?  :  Help on <CMD>
908 908  
909 -(((
910 -865.0625 - SF7BW125 to SF12BW125
911 -)))
607 +AT+<CMD>  :  Run <CMD>
912 912  
913 -(((
914 -865.4025 - SF7BW125 to SF12BW125
915 -)))
609 +AT+<CMD>=<value>  :  Set the value
916 916  
917 -(((
918 -865.9850 - SF7BW125 to SF12BW125
919 -)))
611 +AT+<CMD>=?  :  Get the value
920 920  
921 -(((
922 -
923 -)))
924 924  
925 -(((
926 -(% style="color:blue" %)**Downlink:**
927 -)))
614 +**General Commands :** 
928 928  
929 -(((
930 -Uplink channels 1-3 (RX1)
931 -)))
616 +AT                    : Attention       
932 932  
933 -(((
934 -866.550 - SF10BW125 (RX2)
935 -)))
618 +AT?                            : Short Help     
936 936  
620 +ATZ                            : MCU Reset    
937 937  
622 +AT+TDC           : Application Data Transmission Interval 
938 938  
939 -== 2.7  LED Indicator ==
940 940  
941 -The LDDS75 has an internal LED which is to show the status of different state.
625 +**Keys, IDs and EUIs management :**
942 942  
627 +AT+APPEUI              : Application EUI      
943 943  
944 -* Blink once when device power on.
945 -* The device detects the sensor and flashes 5 times.
946 -* Solid ON for 5 seconds once device successful Join the network.
947 -* Blink once when device transmit a packet.
629 +AT+APPKEY              : Application Key     
948 948  
949 -== 2.8  ​Firmware Change Log ==
631 +AT+APPSKEY            : Application Session Key
950 950  
633 +AT+DADDR              : Device Address     
951 951  
952 -(((
953 -**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/]]
954 -)))
635 +AT+DEUI                   : Device EUI     
955 955  
956 -(((
957 -
958 -)))
637 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
959 959  
960 -(((
961 -**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
962 -)))
639 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
963 963  
641 +AT+CFM          : Confirm Mode       
964 964  
643 +AT+CFS                     : Confirm Status       
965 965  
966 -== 2.9  Mechanical ==
645 +AT+JOIN          : Join LoRa? Network       
967 967  
647 +AT+NJM          : LoRa? Network Join Mode    
968 968  
969 -[[image:image-20220610172003-1.png]]
649 +AT+NJS                     : LoRa? Network Join Status    
970 970  
651 +AT+RECV                  : Print Last Received Data in Raw Format
971 971  
972 -[[image:image-20220610172003-2.png]]
653 +AT+RECVB                : Print Last Received Data in Binary Format      
973 973  
655 +AT+SEND                  : Send Text Data      
974 974  
657 +AT+SENB                  : Send Hexadecimal Data
975 975  
976 -== 2.10  Battery Analysis ==
977 977  
978 -=== 2.10.1  Battery Type ===
660 +**LoRa Network Management :**
979 979  
980 -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.
662 +AT+ADR          : Adaptive Rate
981 981  
664 +AT+CLASS                : LoRa Class(Currently only support class A
982 982  
983 -The battery related documents as below:
666 +AT+DCS           : Duty Cycle Setting 
984 984  
985 -* (((
986 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
987 -)))
988 -* (((
989 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
990 -)))
991 -* (((
992 -[[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]]
993 -)))
668 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
994 994  
995 - [[image:image-20220610172400-3.png]]
670 +AT+FCD           : Frame Counter Downlink       
996 996  
672 +AT+FCU           : Frame Counter Uplink   
997 997  
674 +AT+JN1DL                : Join Accept Delay1
998 998  
999 -=== 2.10.2  Replace the battery ===
676 +AT+JN2DL                : Join Accept Delay2
1000 1000  
1001 -(((
1002 -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.
1003 -)))
678 +AT+PNM                   : Public Network Mode   
1004 1004  
1005 -(((
1006 -
1007 -)))
680 +AT+RX1DL                : Receive Delay1      
1008 1008  
1009 -(((
1010 -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)
1011 -)))
682 +AT+RX2DL                : Receive Delay2      
1012 1012  
684 +AT+RX2DR               : Rx2 Window Data Rate 
1013 1013  
686 +AT+RX2FQ               : Rx2 Window Frequency
1014 1014  
1015 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
688 +AT+TXP           : Transmit Power
1016 1016  
1017 -(((
1018 -(((
1019 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
1020 -)))
1021 -)))
1022 1022  
1023 -* (((
1024 -(((
1025 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
1026 -)))
1027 -)))
1028 -* (((
1029 -(((
1030 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1031 -)))
1032 -)))
691 +**Information :**
1033 1033  
1034 -(((
1035 -(((
1036 -
1037 -)))
693 +AT+RSSI           : RSSI of the Last Received Packet   
1038 1038  
1039 -(((
1040 -There are two kinds of commands to configure LDDS75, they are:
1041 -)))
1042 -)))
695 +AT+SNR           : SNR of the Last Received Packet   
1043 1043  
1044 -* (((
1045 -(((
1046 -(% style="color:#4f81bd" %)** General Commands**.
1047 -)))
1048 -)))
697 +AT+VER           : Image Version and Frequency Band       
1049 1049  
1050 -(((
1051 -(((
1052 -These commands are to configure:
1053 -)))
1054 -)))
699 +AT+FDR           : Factory Data Reset
1055 1055  
1056 -* (((
1057 -(((
1058 -General system settings like: uplink interval.
1059 -)))
1060 -)))
1061 -* (((
1062 -(((
1063 -LoRaWAN protocol & radio related command.
1064 -)))
1065 -)))
701 +AT+PORT                  : Application Port    
1066 1066  
1067 -(((
1068 -(((
1069 -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]]
1070 -)))
1071 -)))
703 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
1072 1072  
1073 -(((
1074 -(((
1075 -
1076 -)))
1077 -)))
705 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
1078 1078  
1079 -* (((
1080 -(((
1081 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
1082 -)))
1083 -)))
1084 1084  
1085 -(((
1086 -(((
1087 -These commands only valid for LDDS75, as below:
1088 -)))
1089 -)))
1090 1090  
1091 -
1092 -
1093 -== 3.1  Access AT Commands ==
1094 -
1095 -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.
1096 -
1097 -[[image:image-20220610172924-4.png||height="483" width="988"]]
1098 -
1099 -
1100 -Or if you have below board, use below connection:
1101 -
1102 -
1103 -[[image:image-20220610172924-5.png]]
1104 -
1105 -
1106 -(((
1107 -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:
1108 -)))
1109 -
1110 -
1111 - [[image:image-20220610172924-6.png||height="601" width="860"]]
1112 -
1113 -
1114 -
1115 1115  == 3.2  Set Transmit Interval Time ==
1116 1116  
1117 1117  Feature: Change LoRaWAN End Node Transmit Interval.
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