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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 113.1
edited by Xiaoling
on 2023/11/10 09:15
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To version 90.16
edited by Xiaoling
on 2023/07/15 15:51
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Summary

Details

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Title
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1 -DS20L -- LoRaWAN Smart Distance Detector User Manual
1 +LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20231110085342-2.png||height="481" width="481"]]
2 +[[image:image-20230614153353-1.png]]
3 3  
4 4  
5 5  
... ... @@ -7,7 +7,6 @@
7 7  
8 8  
9 9  
10 -
11 11  **Table of Contents：**
12 12  
13 13  {{toc/}}
... ... @@ -46,8 +46,8 @@
46 46  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
47 47  * Ultra-low power consumption
48 48  * Laser technology for distance detection
49 -* Measure Distance: 0.1m~~12m
50 -* Accuracy :  ±5cm@(0.1-5m), ±1%@(5m-12m)
48 +* Measure Distance: 0.1m~~12m @ 90% Reflectivity
49 +* Accuracy :  ±5cm@(0.1-6m), ±1%@(6m-12m)
51 51  * Monitor Battery Level
52 52  * Support Bluetooth v5.1 and LoRaWAN remote configure
53 53  * Support wireless OTA update firmware
... ... @@ -70,8 +70,8 @@
70 70  * Measure Distance:
71 71  ** 0.1m ~~ 12m @ 90% Reflectivity
72 72  ** 0.1m ~~ 4m @ 10% Reflectivity
73 -* Accuracy : ±5cm@(0.1-5m), ±1%@(5m-12m)
74 -* Distance resolution : 1cm
72 +* Accuracy : ±5cm@(0.1-6m), ±1%@(6m-12m)
73 +* Distance resolution : 5mm
75 75  * Ambient light immunity : 70klux
76 76  * Enclosure rating : IP65
77 77  * Light source : LED
... ... @@ -156,8 +156,8 @@
156 156  
157 157  == 1.8 Pin Definitions ==
158 158  
158 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/WL03A-LB_LoRaWAN_None-Position_Rope_Type_Water_Leak_Controller_User_Manual/WebHome/image-20230613144156-1.png?rev=1.1||alt="image-20230613144156-1.png"]]
159 159  
160 -[[image:image-20230805144259-1.png||height="413" width="741"]]
161 161  
162 162  == 1.9 Mechanical ==
163 163  
... ... @@ -254,14 +254,12 @@
254 254  
255 255  Example parse in TTNv3
256 256  
257 -[[image:image-20230805103904-1.png||height="131" width="711"]]
256 +**Sensor Model**: For LDS12-LB, this value is 0x24
258 258  
259 -(% style="color:blue" %)**Sensor Model**(%%): For LDS12-LB, this value is 0x24
258 +**Firmware Version**: 0x0100, Means: v1.0.0 version
260 260  
261 -(% style="color:blue" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
260 +**Frequency Band**:
262 262  
263 -(% style="color:blue" %)**Frequency Band**:
264 -
265 265  0x01: EU868
266 266  
267 267  0x02: US915
... ... @@ -290,7 +290,7 @@
290 290  
291 291  0x0e: MA869
292 292  
293 -(% style="color:blue" %)**Sub-Band**:
290 +**Sub-Band**:
294 294  
295 295  AU915 and US915:value 0x00 ~~ 0x08
296 296  
... ... @@ -298,7 +298,7 @@
298 298  
299 299  Other Bands: Always 0x00
300 300  
301 -(% style="color:blue" %)**Battery Info**:
298 +**Battery Info**:
302 302  
303 303  Check the battery voltage.
304 304  
... ... @@ -311,11 +311,11 @@
311 311  
312 312  
313 313  (((
314 -LDS12-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And LDS12-LB will:
311 +LDS12-LB will uplink payload via LoRaWAN with below payload format: 
312 +)))
315 315  
316 -periodically send this uplink every 20 minutes, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
317 -
318 -Uplink Payload totals 11 bytes.
314 +(((
315 +Uplink payload includes in total 11 bytes.
319 319  )))
320 320  
321 321  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -330,7 +330,7 @@
330 330  [[Message Type>>||anchor="HMessageType"]]
331 331  )))
332 332  
333 -[[image:image-20230805104104-2.png||height="136" width="754"]]
330 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654833689380-972.png?rev=1.1||alt="1654833689380-972.png"]]
334 334  
335 335  
336 336  ==== (% style="color:blue" %)**Battery Info**(%%) ====
... ... @@ -380,33 +380,18 @@
380 380  Customers can judge whether they need to adjust the environment based on the signal strength.
381 381  
382 382  
383 -**1) When the sensor detects valid data:**
384 -
385 -[[image:image-20230805155335-1.png||height="145" width="724"]]
386 -
387 -
388 -**2) When the sensor detects invalid data:**
389 -
390 -[[image:image-20230805155428-2.png||height="139" width="726"]]
391 -
392 -
393 -**3) When the sensor is not connected:**
394 -
395 -[[image:image-20230805155515-3.png||height="143" width="725"]]
396 -
397 -
398 398  ==== (% style="color:blue" %)**Interrupt Pin & Interrupt Level**(%%) ====
399 399  
400 400  
401 401  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
402 402  
403 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]] of GPIO_EXTI .
385 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.8PinDefinitions"]].
404 404  
405 405  **Example:**
406 406  
407 -If byte[0]&0x01=0x00 : Normal uplink packet.
389 +0x00: Normal uplink packet.
408 408  
409 -If byte[0]&0x01=0x01 : Interrupt Uplink Packet.
391 +0x01: Interrupt Uplink Packet.
410 410  
411 411  
412 412  ==== (% style="color:blue" %)**LiDAR temp**(%%) ====
... ... @@ -432,97 +432,13 @@
432 432  
433 433  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:499px" %)
434 434  |=(% style="width: 161px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 164px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 174px;background-color:#4F81BD;color:white" %)**Payload**
435 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)Normal Uplink Payload
436 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)Configure Info Payload
417 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
418 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.ConfigureLDS12-LB"]]
437 437  
438 -[[image:image-20230805150315-4.png||height="233" width="723"]]
439 439  
421 +=== 2.3.3 Decode payload in The Things Network ===
440 440  
441 -=== 2.3.3 Historical measuring distance, FPORT~=3 ===
442 442  
443 -
444 -LDS12-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5.4Pollsensorvalue"]].
445 -
446 -The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time measuring distance.
447 -
448 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
449 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
450 -**Size(bytes)**
451 -)))|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="background-color:#4F81BD; color: white; width: 85px;" %)**1**|=(% style="background-color: #4F81BD; color: white; width: 85px;" %)4
452 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)Interrupt flag & Interrupt_level|(% style="width:62.5px" %)(((
453 -Reserve(0xFF)
454 -)))|Distance|Distance signal strength|(% style="width:88px" %)(((
455 -LiDAR temp
456 -)))|(% style="width:85px" %)Unix TimeStamp
457 -
458 -**Interrupt flag & Interrupt level:**
459 -
460 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
461 -|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
462 -**Size(bit)**
463 -)))|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**bit6**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**[bit5:bit2]**|=(% style="width: 90px; background-color: #4F81BD; color: white;" %)**bit1**|=(% style="background-color: #4F81BD; color: white; width: 90px;" %)**bit0**
464 -|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)No ACK message|(% style="width:62.5px" %)Poll Message Flag|Reserve|(% style="width:91px" %)Interrupt level|(% style="width:88px" %)(((
465 -Interrupt flag
466 -)))
467 -
468 -* (((
469 -Each data entry is 11 bytes and has the same structure as [[Uplink Payload>>||anchor="H2.3.2UplinkPayload2CFPORT3D2"]], to save airtime and battery, LDS12-LB will send max bytes according to the current DR and Frequency bands.
470 -)))
471 -
472 -For example, in the US915 band, the max payload for different DR is:
473 -
474 -**a) DR0:** max is 11 bytes so one entry of data
475 -
476 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
477 -
478 -**c) DR2:** total payload includes 11 entries of data
479 -
480 -**d) DR3:** total payload includes 22 entries of data.
481 -
482 -If LDS12-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0
483 -
484 -
485 -**Downlink:**
486 -
487 -0x31 64 CC 68 0C 64 CC 69 74 05
488 -
489 -[[image:image-20230805144936-2.png||height="113" width="746"]]
490 -
491 -**Uplink:**
492 -
493 -43 FF 0E 10 00 B0 1E 64 CC 68 0C 40 FF 0D DE 00 A8 1E 64 CC 68 29 40 FF 09 92 00 D3 1E 64 CC 68 65 40 FF 02 3A 02 BC 1E 64 CC 68 A1 41 FF 0E 1A 00 A4 1E 64 CC 68 C0 40 FF 0D 2A 00 B8 1E 64 CC 68 E8 40 FF 00 C8 11 6A 1E 64 CC 69 24 40 FF 0E 24 00 AD 1E 64 CC 69 6D
494 -
495 -
496 -**Parsed Value:**
497 -
498 -[DISTANCE , DISTANCE_SIGNAL_STRENGTH，LIDAR_TEMP，EXTI_STATUS , EXTI_FLAG , TIME]
499 -
500 -
501 -[360,176,30,High,True,2023-08-04 02:53:00],
502 -
503 -[355,168,30,Low,False,2023-08-04 02:53:29],
504 -
505 -[245,211,30,Low,False,2023-08-04 02:54:29],
506 -
507 -[57,700,30,Low,False,2023-08-04 02:55:29],
508 -
509 -[361,164,30,Low,True,2023-08-04 02:56:00],
510 -
511 -[337,184,30,Low,False,2023-08-04 02:56:40],
512 -
513 -[20,4458,30,Low,False,2023-08-04 02:57:40],
514 -
515 -[362,173,30,Low,False,2023-08-04 02:58:53],
516 -
517 -
518 -**History read from serial port：**
519 -
520 -[[image:image-20230805145056-3.png]]
521 -
522 -
523 -=== 2.3.4 Decode payload in The Things Network ===
524 -
525 -
526 526  While using TTN network, you can add the payload format to decode the payload.
527 527  
528 528  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654592762713-715.png?rev=1.1||alt="1654592762713-715.png"]]
... ... @@ -537,9 +537,15 @@
537 537  )))
538 538  
539 539  
540 -== 2.4 ​Show Data in DataCake IoT Server ==
438 +== 2.4 Uplink Interval ==
541 541  
542 542  
441 +The LDS12-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
442 +
443 +
444 +== 2.5 ​Show Data in DataCake IoT Server ==
445 +
446 +
543 543  (((
544 544  [[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:
545 545  )))
... ... @@ -572,13 +572,13 @@
572 572  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
573 573  
574 574  
575 -== 2.5 Datalog Feature ==
479 +== 2.6 Datalog Feature ==
576 576  
577 577  
578 578  Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LDS12-LB will store the reading for future retrieving purposes.
579 579  
580 580  
581 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
485 +=== 2.6.1 Ways to get datalog via LoRaWAN ===
582 582  
583 583  
584 584  Set PNACKMD=1, LDS12-LB will wait for ACK for every uplink, when there is no LoRaWAN network,LDS12-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
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595 595  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
596 596  
597 597  
598 -=== 2.5.2 Unix TimeStamp ===
502 +=== 2.6.2 Unix TimeStamp ===
599 599  
600 600  
601 601  LDS12-LB uses Unix TimeStamp format based on
... ... @@ -612,7 +612,7 @@
612 612  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
613 613  
614 614  
615 -=== 2.5.3 Set Device Time ===
519 +=== 2.6.3 Set Device Time ===
616 616  
617 617  
618 618  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
... ... @@ -622,7 +622,7 @@
622 622  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
623 623  
624 624  
625 -=== 2.5.4 Poll sensor value ===
529 +=== 2.6.4 Poll sensor value ===
626 626  
627 627  
628 628  Users can poll sensor values based on timestamps. Below is the downlink command.
... ... @@ -649,7 +649,7 @@
649 649  )))
650 650  
651 651  
652 -== 2.6 Frequency Plans ==
556 +== 2.7 Frequency Plans ==
653 653  
654 654  
655 655  The LDS12-LB 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.
... ... @@ -657,9 +657,9 @@
657 657  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
658 658  
659 659  
660 -== 2.7 LiDAR ToF Measurement ==
564 +== 2.8 LiDAR ToF Measurement ==
661 661  
662 -=== 2.7.1 Principle of Distance Measurement ===
566 +=== 2.8.1 Principle of Distance Measurement ===
663 663  
664 664  
665 665  The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
... ... @@ -667,7 +667,7 @@
667 667  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLDS12-LoRaWAN%20LiDAR%20ToF%20Distance%20Sensor%20User%20Manual/WebHome/1654831757579-263.png?rev=1.1||alt="1654831757579-263.png"]]
668 668  
669 669  
670 -=== 2.7.2 Distance Measurement Characteristics ===
574 +=== 2.8.2 Distance Measurement Characteristics ===
671 671  
672 672  
673 673  With optimization of light path and algorithm, The LiDAR probe has minimized influence from external environment on distance measurement performance. Despite that, the range of distance measurement may still be affected by the environment illumination intensity and the reflectivity of detection object. As shown in below:
... ... @@ -705,7 +705,7 @@
705 705  )))
706 706  
707 707  
708 -=== 2.7.3 Notice of usage ===
612 +=== 2.8.3 Notice of usage ===
709 709  
710 710  
711 711  Possible invalid /wrong reading for LiDAR ToF tech:
... ... @@ -715,7 +715,7 @@
715 715  * The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
716 716  * The sensor window is made by Acrylic. Don't touch it with alcohol material. This will destroy the sensor window.
717 717  
718 -=== 2.7.4  Reflectivity of different objects ===
622 +=== 2.8.4  Reflectivity of different objects ===
719 719  
720 720  
721 721  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:379px" %)
... ... @@ -822,9 +822,9 @@
822 822  === 3.3.2 Set Interrupt Mode ===
823 823  
824 824  
825 -Feature, Set Interrupt mode for pin of GPIO_EXTI.
729 +Feature, Set Interrupt mode for PA8 of pin.
826 826  
827 -When AT+INTMOD=0 is set, GPIO_EXTI is used as a digital input port.
731 +When AT+INTMOD=0 is set, PA8 is used as a digital input port.
828 828  
829 829  (% style="color:blue" %)**AT Command: AT+INTMOD**
830 830  
... ... @@ -835,11 +835,7 @@
835 835  OK
836 836  the mode is 0 =Disable Interrupt
837 837  )))
838 -|(% style="width:154px" %)(((
839 -AT+INTMOD=2
840 -
841 -(default)
842 -)))|(% style="width:196px" %)(((
742 +|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
843 843  Set Transmit Interval
844 844  0. (Disable Interrupt),
845 845  ~1. (Trigger by rising and falling edge)
... ... @@ -859,7 +859,7 @@
859 859  
860 860  === 3.3.3  Set Power Output Duration ===
861 861  
862 -Control the output duration 3V3(pin of VBAT_OUT) . Before each sampling, device will
762 +Control the output duration 3V3 . Before each sampling, device will
863 863  
864 864  ~1. first enable the power output to external sensor,
865 865  
... ... @@ -875,7 +875,6 @@
875 875  OK
876 876  |(% style="width:154px" %)AT+3V3T=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
877 877  |(% style="width:154px" %)AT+3V3T=0|(% style="width:196px" %)Always turn on the power supply of 3V3 pin.|(% style="width:157px" %)OK
878 -|(% style="width:154px" %)AT+3V3T=65535|(% style="width:196px" %)Always turn off the power supply of 3V3 pin.|(% style="width:157px" %)OK
879 879  
880 880  (% style="color:blue" %)**Downlink Command: 0x07**(%%)
881 881  Format: Command Code (0x07) followed by 3 bytes.
... ... @@ -884,7 +884,6 @@
884 884  
885 885  * Example 1: Downlink Payload: 07 01 00 00  **~-~-->**  AT+3V3T=0
886 886  * Example 2: Downlink Payload: 07 01 01 F4  **~-~-->**  AT+3V3T=500
887 -* Example 3: Downlink Payload: 07 01 FF FF  **~-~-->**  AT+3V3T=65535
888 888  
889 889  = 4. Battery & Power Consumption =
890 890  
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