Last modified by Mengting Qiu on 2024/03/07 08:41
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From version < 135.1 >
edited by Xiaoling
on 2022/06/10 16:47
To version < 144.1 >
edited by Xiaoling
on 2022/06/10 17:29
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... ... @@ -57,6 +57,8 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 +
61 +
60 60  == 1.3  Specification ==
61 61  
62 62  === 1.3.1  Rated environmental conditions ===
... ... @@ -71,15 +71,20 @@
71 71  
72 72  === 1.3.2  Effective measurement range Reference beam pattern ===
73 73  
74 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
76 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
75 75  
76 76  
77 77  
78 -**(2)** The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.[[image:image-20220610155021-3.png||height="437" width="1192"]]
80 +[[image:1654852253176-749.png]]
79 79  
80 -(% style="display:none" %) (%%)
81 81  
83 +**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
82 82  
85 +
86 +[[image:1654852175653-550.png]](% style="display:none" %) ** **
87 +
88 +
89 +
83 83  == 1.5 ​ Applications ==
84 84  
85 85  * Horizontal distance measurement
... ... @@ -92,6 +92,8 @@
92 92  * Sewer
93 93  * Bottom water level monitoring
94 94  
102 +
103 +
95 95  == 1.6  Pin mapping and power on ==
96 96  
97 97  
... ... @@ -98,6 +98,7 @@
98 98  [[image:1654847583902-256.png]]
99 99  
100 100  
110 +
101 101  = 2.  Configure LDDS75 to connect to LoRaWAN network =
102 102  
103 103  == 2.1  How it works ==
... ... @@ -111,6 +111,7 @@
111 111  )))
112 112  
113 113  
124 +
114 114  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
115 115  
116 116  (((
... ... @@ -243,6 +243,7 @@
243 243  0x01: Interrupt Uplink Packet.
244 244  
245 245  
257 +
246 246  === 2.3.4  DS18B20 Temperature sensor ===
247 247  
248 248  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -270,21 +270,17 @@
270 270  While using TTN network, you can add the payload format to decode the payload.
271 271  
272 272  
273 -[[image:1654592762713-715.png]]
285 +[[image:1654850829385-439.png]]
274 274  
275 -(((
276 -The payload decoder function for TTN is here:
277 -)))
287 +The payload decoder function for TTN V3 is here:
278 278  
279 -(((
280 -LLDS12 TTN Payload Decoder: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Decoder/]]
281 -)))
289 +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/]]
282 282  
283 283  
284 284  
285 285  == 2.4  Uplink Interval ==
286 286  
287 -The LLDS12 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"]]
295 +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"]]
288 288  
289 289  
290 290  
... ... @@ -315,47 +315,25 @@
315 315  
316 316  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
317 317  
318 -(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
326 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
319 319  
320 -[[image:1654832691989-514.png]]
328 +[[image:1654851029373-510.png]]
321 321  
322 322  
323 -[[image:1654592833877-762.png]]
331 +After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
324 324  
333 +[[image:image-20220610165129-11.png||height="595" width="1088"]]
325 325  
326 -[[image:1654832740634-933.png]]
327 327  
328 328  
329 -
330 -(((
331 -(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
332 -)))
333 -
334 -(((
335 -
336 -)))
337 -
338 -[[image:1654833065139-942.png]]
339 -
340 -
341 -
342 -[[image:1654833092678-390.png]]
343 -
344 -
345 -
346 -After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
347 -
348 -[[image:1654833163048-332.png]]
349 -
350 -
351 -
352 352  == 2.6  Frequency Plans ==
353 353  
354 354  (((
355 -The LLDS12 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.
340 +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.
356 356  )))
357 357  
358 358  
344 +
359 359  === 2.6.1  EU863-870 (EU868) ===
360 360  
361 361  (((
... ... @@ -419,20 +419,51 @@
419 419  === 2.6.2  US902-928(US915) ===
420 420  
421 421  (((
422 -Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
423 -)))
408 +Used in USA, Canada and South America. Default use CHE=2
424 424  
425 -(((
426 -To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
427 -)))
410 +(% style="color:blue" %)**Uplink:**
428 428  
429 -(((
430 -After Join success, the end node will switch to the correct sub band by:
431 -)))
412 +903.9 - SF7BW125 to SF10BW125
432 432  
433 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
434 -* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
414 +904.1 - SF7BW125 to SF10BW125
435 435  
416 +904.3 - SF7BW125 to SF10BW125
417 +
418 +904.5 - SF7BW125 to SF10BW125
419 +
420 +904.7 - SF7BW125 to SF10BW125
421 +
422 +904.9 - SF7BW125 to SF10BW125
423 +
424 +905.1 - SF7BW125 to SF10BW125
425 +
426 +905.3 - SF7BW125 to SF10BW125
427 +
428 +
429 +(% style="color:blue" %)**Downlink:**
430 +
431 +923.3 - SF7BW500 to SF12BW500
432 +
433 +923.9 - SF7BW500 to SF12BW500
434 +
435 +924.5 - SF7BW500 to SF12BW500
436 +
437 +925.1 - SF7BW500 to SF12BW500
438 +
439 +925.7 - SF7BW500 to SF12BW500
440 +
441 +926.3 - SF7BW500 to SF12BW500
442 +
443 +926.9 - SF7BW500 to SF12BW500
444 +
445 +927.5 - SF7BW500 to SF12BW500
446 +
447 +923.3 - SF12BW500(RX2 downlink only)
448 +
449 +
450 +
451 +)))
452 +
436 436  === 2.6.3  CN470-510 (CN470) ===
437 437  
438 438  (((
... ... @@ -521,28 +521,54 @@
521 521  
522 522  
523 523  
524 -
525 525  === 2.6.4  AU915-928(AU915) ===
526 526  
527 527  (((
528 -Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
529 -)))
544 +Default use CHE=2
530 530  
531 -(((
532 -To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
533 -)))
546 +(% style="color:blue" %)**Uplink:**
534 534  
535 -(((
536 -
537 -)))
548 +916.8 - SF7BW125 to SF12BW125
538 538  
539 -(((
540 -After Join success, the end node will switch to the correct sub band by:
541 -)))
550 +917.0 - SF7BW125 to SF12BW125
542 542  
543 -* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
544 -* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
552 +917.2 - SF7BW125 to SF12BW125
545 545  
554 +917.4 - SF7BW125 to SF12BW125
555 +
556 +917.6 - SF7BW125 to SF12BW125
557 +
558 +917.8 - SF7BW125 to SF12BW125
559 +
560 +918.0 - SF7BW125 to SF12BW125
561 +
562 +918.2 - SF7BW125 to SF12BW125
563 +
564 +
565 +(% style="color:blue" %)**Downlink:**
566 +
567 +923.3 - SF7BW500 to SF12BW500
568 +
569 +923.9 - SF7BW500 to SF12BW500
570 +
571 +924.5 - SF7BW500 to SF12BW500
572 +
573 +925.1 - SF7BW500 to SF12BW500
574 +
575 +925.7 - SF7BW500 to SF12BW500
576 +
577 +926.3 - SF7BW500 to SF12BW500
578 +
579 +926.9 - SF7BW500 to SF12BW500
580 +
581 +927.5 - SF7BW500 to SF12BW500
582 +
583 +923.3 - SF12BW500(RX2 downlink only)
584 +
585 +
586 +
587 +)))
588 +
546 546  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
547 547  
548 548  (((
... ... @@ -651,7 +651,6 @@
651 651  
652 652  
653 653  
654 -
655 655  === 2.6.6  KR920-923 (KR920) ===
656 656  
657 657  (((
... ... @@ -724,7 +724,6 @@
724 724  
725 725  
726 726  
727 -
728 728  === 2.6.7  IN865-867 (IN865) ===
729 729  
730 730  (((
... ... @@ -761,18 +761,22 @@
761 761  
762 762  
763 763  
764 -
765 765  == 2.7  LED Indicator ==
766 766  
767 -The LLDS12 has an internal LED which is to show the status of different state.
807 +The LDDS75 has an internal LED which is to show the status of different state.
768 768  
769 -* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
809 +
810 +* Blink once when device power on.
811 +* The device detects the sensor and flashes 5 times.
812 +* Solid ON for 5 seconds once device successful Join the network.
770 770  * Blink once when device transmit a packet.
771 771  
815 +
816 +
772 772  == 2.8  ​Firmware Change Log ==
773 773  
774 774  
775 -**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
820 +**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/]]
776 776  
777 777  
778 778  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -779,68 +779,55 @@
779 779  
780 780  
781 781  
782 -= 3.  LiDAR ToF Measurement =
827 +== 2.9  Mechanical ==
783 783  
784 -== 3.1 Principle of Distance Measurement ==
785 785  
786 -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.
830 +[[image:image-20220610172003-1.png]]
787 787  
788 -[[image:1654831757579-263.png]]
832 +[[image:image-20220610172003-2.png]]
789 789  
790 790  
835 +== 2.10  Battery Analysis  ==
791 791  
792 -== 3.2 Distance Measurement Characteristics ==
837 +=== 2.10.1  Battery Type ===
793 793  
794 -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:
839 +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.
795 795  
796 -[[image:1654831774373-275.png]]
797 797  
842 +The battery related documents as below:
798 798  
799 -(((
800 -(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
844 +* (((
845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
801 801  )))
802 -
803 -(((
804 -(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
847 +* (((
848 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
805 805  )))
806 -
807 -(((
808 -(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
850 +* (((
851 +[[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]]
809 809  )))
810 810  
854 + [[image:image-20220610172400-3.png]]
811 811  
812 -(((
813 -Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting angle), which is calculated as follows:
814 -)))
815 815  
816 816  
817 -[[image:1654831797521-720.png]]
858 +=== 2.10.2  Replace the battery ===
818 818  
860 +(((
861 +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.
862 +)))
819 819  
820 820  (((
821 -In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
865 +
822 822  )))
823 823  
824 -[[image:1654831810009-716.png]]
825 -
826 -
827 827  (((
828 -If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
869 +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)
829 829  )))
830 830  
831 831  
832 832  
833 -== 3.3 Notice of usage: ==
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
834 834  
835 -Possible invalid /wrong reading for LiDAR ToF tech:
836 -
837 -* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
838 -* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
839 -* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
840 -* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
841 -
842 -= 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
843 -
844 844  (((
845 845  (((
846 846  Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
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