Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2025/08/06 17:02
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... ... @@ -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]] ... ... @@ -213,6 +213,9 @@ 213 213 * 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. 214 214 * 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. 215 215 214 + 215 + 216 + 216 216 == 1.8 Pin mapping and power on == 217 217 218 218 ... ... @@ -226,7 +226,7 @@ 226 226 == 2.1 How it works == 227 227 228 228 ((( 229 -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 LDDS 20. 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. 230 230 ))) 231 231 232 232 ((( ... ... @@ -307,9 +307,8 @@ 307 307 [[image:image-20220615095102-14.png]] 308 308 309 309 310 - 311 311 ((( 312 -(% style="color:blue" %)**Step 3**(%%)**:** 20will 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. 313 313 ))) 314 314 315 315 [[image:1654849068701-275.png]] ... ... @@ -320,10 +320,12 @@ 320 320 321 321 ((( 322 322 ((( 323 -LDDS20 will uplink payload via LoRaWAN with below payload format: 323 +LDDS75 will uplink payload via LoRaWAN with below payload format: 324 +))) 324 324 325 -Uplink payload includes in total 8 bytes. 326 -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 327 327 ))) 328 328 ))) 329 329 ... ... @@ -350,7 +350,7 @@ 350 350 === 2.3.1 Battery Info === 351 351 352 352 353 -Check the battery voltage for LDDS 20.355 +Check the battery voltage for LDDS75. 354 354 355 355 Ex1: 0x0B45 = 2885mV 356 356 ... ... @@ -361,19 +361,20 @@ 361 361 === 2.3.2 Distance === 362 362 363 363 ((( 364 -Get the distance. Flat object range 20mm - 2000mm.366 +Get the distance. Flat object range 280mm - 7500mm. 365 365 ))) 366 366 367 367 ((( 368 -For example, if the data you get from the register is __0x060x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0605(H) = 1541(D) = 1541mm.**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.** 369 369 ))) 370 370 371 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor. 372 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid. 373 373 374 +* 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 + 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. 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. 377 377 378 378 **Example:** 379 379 ... ... @@ -414,305 +414,736 @@ 414 414 While using TTN network, you can add the payload format to decode the payload. 415 415 416 416 417 -[[image:16552 61164557-670.png]]420 +[[image:1654850829385-439.png]] 418 418 419 419 The payload decoder function for TTN V3 is here: 420 420 421 421 ((( 422 -LDDS 20TTN 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/]] 423 423 ))) 424 424 425 425 426 426 427 -== 2.4 DownlinkPayload==430 +== 2.4 Uplink Interval == 428 428 429 - By default,LDDS20prints the downlink payloadtoconsoleport.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"]] 430 430 431 -[[image:image-20220615100930-15.png]] 432 432 433 433 434 - **Examples:**436 +== 2.5 Show Data in DataCake IoT Server == 435 435 438 +((( 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 +))) 436 436 437 -* (% style="color:blue" %)**Set TDC** 442 +((( 443 + 444 +))) 438 438 439 -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 +))) 440 440 441 -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 +))) 442 442 443 -Payload: 01 00 00 3C TDC=60S 444 444 455 +[[image:1654592790040-760.png]] 445 445 446 -* (% style="color:blue" %)**Reset** 447 447 448 - If payload = 0x04FF,it will reset the LDDS20458 +[[image:1654592800389-571.png]] 449 449 450 450 451 - *(% style="color:blue" %)**CFM**461 +(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 452 452 453 - DownlinkPayload:05000001,SetAT+CFM=1 or05000000,setAT+CFM=0463 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.** 454 454 465 +[[image:1654851029373-510.png]] 455 455 456 456 457 - ==2.5ShowData inDataCakeIoTServer==468 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake. 458 458 470 +[[image:image-20220610165129-11.png||height="595" width="1088"]] 471 + 472 + 473 + 474 +== 2.6 Frequency Plans == 475 + 459 459 ((( 460 - [[DATACAKE>>url:https://datacake.co/]]providesahuman friendlyinterfacetoshowthesensordata,oncewehave datainTTN, wecanuse[[DATACAKE>>url:https://datacake.co/]] to connectto TTNandsee thedata in DATACAKE.Belowarethesteps: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. 461 461 ))) 462 462 480 + 481 + 482 +=== 2.6.1 EU863-870 (EU868) === 483 + 463 463 ((( 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 +((( 464 464 465 465 ))) 466 466 467 467 ((( 468 -(% style="color:blue" %)** Step 1**(%%)**: Be sure that your device is programmed and properly connected to the networkat this time.**529 +(% style="color:blue" %)**Downlink:** 469 469 ))) 470 470 471 471 ((( 472 - (% style="color:blue" %)**Step2**(%%)**: To configure the Applicationto forward data to DATACAKE you willneed to add integration. To add the DATACAKE integration, perform the followingsteps:**533 +Uplink channels 1-9 (RX1) 473 473 ))) 474 474 536 +((( 537 +869.525 - SF9BW125 (RX2 downlink only) 538 +))) 475 475 476 -[[image:1654592790040-760.png]] 477 477 478 478 479 - [[image:1654592800389-571.png]]542 +=== 2.6.2 US902-928(US915) === 480 480 544 +((( 545 +Used in USA, Canada and South America. Default use CHE=2 481 481 482 -(% style="color:blue" %)** Step3**(%%)**: Create an account orloginDatacake.**547 +(% style="color:blue" %)**Uplink:** 483 483 484 - (%style="color:blue"%)**Step 4**(%%)**: Search the LDDS75and add DevEUI.(% style="color:red"%)(Note: LDDS20use same payload as LDDS75)(%%)**549 +903.9 - SF7BW125 to SF10BW125 485 485 486 - [[image:1654851029373-510.png]]551 +904.1 - SF7BW125 to SF10BW125 487 487 553 +904.3 - SF7BW125 to SF10BW125 488 488 489 - Afteradded,thesensor data arrive TTN V3, it will alsoarrive and show in Datacake.555 +904.5 - SF7BW125 to SF10BW125 490 490 491 - [[image:image-20220610165129-11.png||height="595"width="1088"]]557 +904.7 - SF7BW125 to SF10BW125 492 492 559 +904.9 - SF7BW125 to SF10BW125 493 493 561 +905.1 - SF7BW125 to SF10BW125 494 494 495 - == 2.6LEDIndicator==563 +905.3 - SF7BW125 to SF10BW125 496 496 497 -The LDDS20 has an internal LED which is to show the status of different state. 498 498 566 +(% style="color:blue" %)**Downlink:** 499 499 500 -* Blink once when device power on. 501 -* The device detects the sensor and flashes 5 times. 502 -* Solid ON for 5 seconds once device successful Join the network. 503 -* Blink once when device transmit a packet. 568 +923.3 - SF7BW500 to SF12BW500 504 504 505 - ==2.7FirmwareChange Log==570 +923.9 - SF7BW500 to SF12BW500 506 506 572 +924.5 - SF7BW500 to SF12BW500 507 507 574 +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 + 508 508 ((( 509 - **Firmwareownloadlink:**[[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=1 510 510 ))) 511 511 512 512 ((( 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 +((( 513 513 514 514 ))) 515 515 516 516 ((( 517 - **FirmwareUpgrade Method: [[Firmware Upgrade Instruction>>doc:Main.FirmwareUpgrade Instruction forSTM32baseproducts.WebHome]]**637 +(% style="color:blue" %)**Downlink:** 518 518 ))) 519 519 640 +((( 641 +506.7 - SF7BW125 to SF12BW125 642 +))) 520 520 644 +((( 645 +506.9 - SF7BW125 to SF12BW125 646 +))) 521 521 522 -== 2.8 Battery Analysis == 648 +((( 649 +507.1 - SF7BW125 to SF12BW125 650 +))) 523 523 652 +((( 653 +507.3 - SF7BW125 to SF12BW125 654 +))) 524 524 656 +((( 657 +507.5 - SF7BW125 to SF12BW125 658 +))) 525 525 660 +((( 661 +507.7 - SF7BW125 to SF12BW125 662 +))) 526 526 527 -=== 2.8.1 Battery Type === 664 +((( 665 +507.9 - SF7BW125 to SF12BW125 666 +))) 528 528 529 -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 +))) 530 530 672 +((( 673 +505.3 - SF12BW125 (RX2 downlink only) 674 +))) 531 531 532 -The battery related documents as below: 533 533 534 -* ((( 535 -[[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 + 536 536 ))) 537 -* ((( 538 -[[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:** 539 539 ))) 540 -* ((( 541 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]] 731 + 732 +((( 733 +923.2 - SF7BW125 to SF10BW125 542 542 ))) 543 543 544 - [[image:image-20220615102527-16.png]] 736 +((( 737 +923.4 - SF7BW125 to SF10BW125 738 +))) 545 545 740 +((( 741 + 742 +))) 546 546 744 +((( 745 +(% style="color:blue" %)**Additional Uplink Channel**: 746 +))) 547 547 548 -== 2.8.2 Battery Note == 748 +((( 749 +(OTAA mode, channel added by JoinAccept message) 750 +))) 549 549 550 -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 +))) 551 551 756 +((( 757 +(% style="color:blue" %)**AS920~~AS923 for Japan, Malaysia, Singapore**: 758 +))) 552 552 760 +((( 761 +922.2 - SF7BW125 to SF10BW125 762 +))) 553 553 554 -=== 2.8.3 Replace the battery === 764 +((( 765 +922.4 - SF7BW125 to SF10BW125 766 +))) 555 555 556 556 ((( 557 - Youcanchange the battery in the LDDS75.Thetypeofbattery 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 D1and shortcut the two pads of it so there won't be voltage drop between battery and main board.769 +922.6 - SF7BW125 to SF10BW125 558 558 ))) 559 559 560 560 ((( 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 +((( 561 561 562 562 ))) 563 563 564 564 ((( 565 - Thedefaultbatterypackof LDDS75 includesaER18505plus super capacitor.Ifusercan't findthis packlocally,they canfindER18505orequivalence,which willalsowork in mostcase.The SPC canenlarge the battery life for high frequency use (updateperiod below 5 minutes)789 +(% style="color:blue" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**: 566 566 ))) 567 567 792 +((( 793 +923.6 - SF7BW125 to SF10BW125 794 +))) 568 568 796 +((( 797 +923.8 - SF7BW125 to SF10BW125 798 +))) 569 569 570 -== 2.8.4 Battery Life Analyze == 800 +((( 801 +924.0 - SF7BW125 to SF10BW125 802 +))) 571 571 572 -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 +))) 573 573 574 -[[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 +))) 575 575 812 +((( 813 +924.6 - SF7BW125 to SF10BW125 814 +))) 576 576 816 +((( 817 + 818 +))) 577 577 578 -= 3. Using the AT Commands = 820 +((( 821 +(% style="color:blue" %)**Downlink:** 822 +))) 579 579 580 580 ((( 825 +Uplink channels 1-8 (RX1) 826 +))) 827 + 581 581 ((( 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 +((( 582 582 583 583 ))) 855 + 856 +((( 857 +(% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)** 584 584 ))) 585 585 586 -== 3.1 Access AT Commands == 860 +((( 861 +922.1 - SF7BW125 to SF12BW125 862 +))) 587 587 588 -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 +))) 589 589 868 +((( 869 +922.5 - SF7BW125 to SF12BW125 870 +))) 590 590 591 -[[image:image-20220610172924-4.png||height="483" width="988"]] 872 +((( 873 +922.7 - SF7BW125 to SF12BW125 874 +))) 592 592 876 +((( 877 +922.9 - SF7BW125 to SF12BW125 878 +))) 593 593 594 -Or if you have below board, use below connection: 880 +((( 881 +923.1 - SF7BW125 to SF12BW125 882 +))) 595 595 884 +((( 885 +923.3 - SF7BW125 to SF12BW125 886 +))) 596 596 597 -[[image:image-20220610172924-5.png]] 888 +((( 889 + 890 +))) 598 598 892 +((( 893 +(% style="color:blue" %)**Downlink:** 894 +))) 599 599 600 600 ((( 601 - In the PC, you need to set the serialbaud rate to (% style="color:green"%)**9600**(%%) to access the serial consolefor LDDS20. LDDS20 will outputsysteminfo once power on as below:897 +Uplink channels 1-7(RX1) 602 602 ))) 603 603 900 +((( 901 +921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 902 +))) 604 604 605 - [[image:image-20220610172924-6.png||height="601" width="860"]] 606 606 607 -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/]]. 608 608 906 +=== 2.6.7 IN865-867 (IN865) === 609 609 610 -AT+<CMD>? : Help on <CMD> 908 +((( 909 +(% style="color:blue" %)**Uplink:** 910 +))) 611 611 612 -AT+<CMD> : Run <CMD> 912 +((( 913 +865.0625 - SF7BW125 to SF12BW125 914 +))) 613 613 614 -AT+<CMD>=<value> : Set the value 916 +((( 917 +865.4025 - SF7BW125 to SF12BW125 918 +))) 615 615 616 -AT+<CMD>=? : Get the value 920 +((( 921 +865.9850 - SF7BW125 to SF12BW125 922 +))) 617 617 924 +((( 925 + 926 +))) 618 618 619 -(% style="color:#037691" %)** General Commands :** 928 +((( 929 +(% style="color:blue" %)**Downlink:** 930 +))) 620 620 621 -AT : Attention 932 +((( 933 +Uplink channels 1-3 (RX1) 934 +))) 622 622 623 -AT? : Short Help 936 +((( 937 +866.550 - SF10BW125 (RX2) 938 +))) 624 624 625 -ATZ : MCU Reset 626 626 627 -AT+TDC : Application Data Transmission Interval 628 628 942 +== 2.7 LED Indicator == 629 629 630 - (%style="color:#037691"%)**Keys,IDsandEUIsmanagement:**944 +The LDDS75 has an internal LED which is to show the status of different state. 631 631 632 -AT+APPEUI : Application EUI 633 633 634 -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. 635 635 636 - AT+APPSKEY:Application SessionKey952 +== 2.8 Firmware Change Log == 637 637 638 -AT+DADDR : Device Address 639 639 640 -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 +))) 641 641 642 -AT+NWKID : Network ID (You can enter this command change only after successful network connection) 959 +((( 960 + 961 +))) 643 643 644 -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 +))) 645 645 646 -AT+CFM : Confirm Mode 647 647 648 -AT+CFS : Confirm Status 649 649 650 - AT+JOIN:JoinLoRa?Network969 +== 2.9 Mechanical == 651 651 652 -AT+NJM : LoRa? Network Join Mode 653 653 654 - AT+NJS : LoRa? Network Join Status972 +[[image:image-20220610172003-1.png]] 655 655 656 -AT+RECV : Print Last Received Data in Raw Format 657 657 658 - AT+RECVB : Print Last Received Data in Binary Format975 +[[image:image-20220610172003-2.png]] 659 659 660 -AT+SEND : Send Text Data 661 661 662 -AT+SENB : Send Hexadecimal Data 663 663 979 +== 2.10 Battery Analysis == 664 664 665 - (% style="color:#037691"%)** LoRaNetworkManagement:**981 +=== 2.10.1 Battery Type === 666 666 667 - AT+ADR:AdaptiveRate983 +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. 668 668 669 -AT+CLASS : LoRa Class(Currently only support class A 670 670 671 - AT+DCS: DutyCycleSetting986 +The battery related documents as below: 672 672 673 -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 +))) 674 674 675 - AT+FCD: FrameCounter Downlink998 + [[image:image-20220610172400-3.png]] 676 676 677 -AT+FCU : Frame Counter Uplink 678 678 679 -AT+JN1DL : Join Accept Delay1 680 680 681 - AT+JN2DL: Join AcceptDelay21002 +=== 2.10.2 Replace the battery === 682 682 683 -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 +))) 684 684 685 -AT+RX1DL : Receive Delay1 1008 +((( 1009 + 1010 +))) 686 686 687 -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 +))) 688 688 689 -AT+RX2DR : Rx2 Window Data Rate 690 690 691 -AT+RX2FQ : Rx2 Window Frequency 692 692 693 - AT+TXP:TransmitPower1018 += 3. Configure LDDS75 via AT Command or LoRaWAN Downlink = 694 694 1020 +((( 1021 +((( 1022 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink. 1023 +))) 1024 +))) 695 695 696 -(% 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 +))) 697 697 698 -AT+RSSI : RSSI of the Last Received Packet 1037 +((( 1038 +((( 1039 + 1040 +))) 699 699 700 -AT+SNR : SNR of the Last Received Packet 1042 +((( 1043 +There are two kinds of commands to configure LDDS75, they are: 1044 +))) 1045 +))) 701 701 702 -AT+VER : Image Version and Frequency Band 1047 +* ((( 1048 +((( 1049 +(% style="color:#4f81bd" %)** General Commands**. 1050 +))) 1051 +))) 703 703 704 -AT+FDR : Factory Data Reset 1053 +((( 1054 +((( 1055 +These commands are to configure: 1056 +))) 1057 +))) 705 705 706 -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 +))) 707 707 708 -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 +))) 709 709 710 - AT+CHE : Get or Set eight channels mode, Only for US915, AU915, CN470 1076 +((( 1077 +((( 1078 + 1079 +))) 1080 +))) 711 711 1082 +* ((( 1083 +((( 1084 +(% style="color:#4f81bd" %)** Commands special design for LDDS75** 1085 +))) 1086 +))) 712 712 1088 +((( 1089 +((( 1090 +These commands only valid for LDDS75, as below: 1091 +))) 1092 +))) 713 713 714 -== 3.2 Set Interrupt Mode == 715 715 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 + 716 716 Feature, Set Interrupt mode for GPIO_EXIT. 717 717 718 718 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** ... ... @@ -731,23 +731,27 @@ 731 731 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 732 732 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 733 733 734 - 735 - 736 736 = 4. FAQ = 737 737 738 -== 4.1 What is the frequency plan for LDDS 20? ==1170 +== 4.1 What is the frequency plan for LDDS75? == 739 739 740 -LDDS 20use 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"]] 741 741 742 742 743 743 744 744 == 4.2 How to change the LoRa Frequency Bands/Region == 745 745 746 -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"]]. 747 747 When downloading the images, choose the required image file for download. 748 748 749 749 750 750 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 + 751 751 = 5. Trouble Shooting = 752 752 753 753 == 5.1 Why I can’t join TTN V3 in US915 / AU915 bands? == ... ... @@ -767,7 +767,7 @@ 767 767 = 6. Order Info = 768 768 769 769 770 -Part Number **:** (% style="color:blue" %)**LDDS 20-XX**1208 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY** 771 771 772 772 773 773 (% style="color:blue" %)**XX**(%%)**: **The default frequency band ... ... @@ -781,20 +781,18 @@ 781 781 * (% style="color:red" %)**IN865 **(%%)**:** LoRaWAN IN865 band 782 782 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band 783 783 1222 +(% style="color:blue" %)**YY**(%%): Battery Option 784 784 1224 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1225 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1226 + 785 785 = 7. Packing Info = 786 786 787 787 788 788 **Package Includes**: 789 789 790 -* LDDS 20LoRaWANLiquidLevelSensor x 11232 +* LDDS75 LoRaWAN Distance Detection Sensor x 1 791 791 792 - 793 -(% style="color:red" %)**Note:** 794 - 795 -(% 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. 796 - 797 - 798 798 **Dimension and weight**: 799 799 800 800 * Device Size: cm ... ... @@ -802,7 +802,6 @@ 802 802 * Package Size / pcs : cm 803 803 * Weight / pcs : g 804 804 805 - 806 806 = 8. Support = 807 807 808 808 * 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.
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