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Last modified by Xiaoling on 2025/04/27 13:54
From version 150.4
edited by Xiaoling
on 2022/06/11 08:35
Change comment: There is no comment for this version
To version 137.1
edited by Xiaoling
on 2022/06/10 16:51
Change comment: Uploaded new attachment "image-20220610165129-11.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -73,20 +73,15 @@
73 73  
74 74  === 1.3.2  Effective measurement range Reference beam pattern ===
75 75  
76 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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"]]
77 77  
78 78  
79 79  
80 -[[image:1654852253176-749.png]]
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"]]
81 81  
80 +(% style="display:none" %) (%%)
82 82  
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.**
84 84  
85 -
86 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
87 -
88 -
89 -
90 90  == 1.5 ​ Applications ==
91 91  
92 92  * Horizontal distance measurement
... ... @@ -105,7 +105,6 @@
105 105  [[image:1654847583902-256.png]]
106 106  
107 107  
108 -
109 109  = 2.  Configure LDDS75 to connect to LoRaWAN network =
110 110  
111 111  == 2.1  How it works ==
... ... @@ -119,7 +119,6 @@
119 119  )))
120 120  
121 121  
122 -
123 123  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
124 124  
125 125  (((
... ... @@ -239,6 +239,8 @@
239 239  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
240 240  * 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.
241 241  
233 +
234 +
242 242  === 2.3.3  Interrupt Pin ===
243 243  
244 244  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
... ... @@ -250,7 +250,6 @@
250 250  0x01: Interrupt Uplink Packet.
251 251  
252 252  
253 -
254 254  === 2.3.4  DS18B20 Temperature sensor ===
255 255  
256 256  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -272,10 +272,9 @@
272 272  0x00: No Ultrasonic Sensor
273 273  
274 274  
267 +===
268 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
275 275  
276 -
277 -== 2.3.6  Decode payload in The Things Network ==
278 -
279 279  While using TTN network, you can add the payload format to decode the payload.
280 280  
281 281  
... ... @@ -289,7 +289,7 @@
289 289  
290 290  == 2.4  Uplink Interval ==
291 291  
292 -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"]]
283 +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"]]
293 293  
294 294  
295 295  
... ... @@ -320,25 +320,47 @@
320 320  
321 321  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
322 322  
323 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
314 +(% style="color:blue" %)**Step 4**(%%)**: Create LLDS12 product.**
324 324  
325 -[[image:1654851029373-510.png]]
316 +[[image:1654832691989-514.png]]
326 326  
327 327  
328 -After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
319 +[[image:1654592833877-762.png]]
329 329  
330 -[[image:image-20220610165129-11.png||height="595" width="1088"]]
331 331  
322 +[[image:1654832740634-933.png]]
332 332  
333 333  
334 -== 2.6  Frequency Plans ==
335 335  
336 336  (((
337 -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.
327 +(% style="color:blue" %)**Step 5**(%%)**: add payload decode**
338 338  )))
339 339  
330 +(((
331 +
332 +)))
340 340  
334 +[[image:1654833065139-942.png]]
341 341  
336 +
337 +
338 +[[image:1654833092678-390.png]]
339 +
340 +
341 +
342 +After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
343 +
344 +[[image:1654833163048-332.png]]
345 +
346 +
347 +
348 +== 2.6  Frequency Plans ==
349 +
350 +(((
351 +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.
352 +)))
353 +
354 +
342 342  === 2.6.1  EU863-870 (EU868) ===
343 343  
344 344  (((
... ... @@ -402,51 +402,20 @@
402 402  === 2.6.2  US902-928(US915) ===
403 403  
404 404  (((
405 -Used in USA, Canada and South America. Default use CHE=2
418 +Used in USA, Canada and South America. Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
419 +)))
406 406  
407 -(% style="color:blue" %)**Uplink:**
421 +(((
422 +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.
423 +)))
408 408  
409 -903.9 - SF7BW125 to SF10BW125
410 -
411 -904.1 - SF7BW125 to SF10BW125
412 -
413 -904.3 - SF7BW125 to SF10BW125
414 -
415 -904.5 - SF7BW125 to SF10BW125
416 -
417 -904.7 - SF7BW125 to SF10BW125
418 -
419 -904.9 - SF7BW125 to SF10BW125
420 -
421 -905.1 - SF7BW125 to SF10BW125
422 -
423 -905.3 - SF7BW125 to SF10BW125
424 -
425 -
426 -(% style="color:blue" %)**Downlink:**
427 -
428 -923.3 - SF7BW500 to SF12BW500
429 -
430 -923.9 - SF7BW500 to SF12BW500
431 -
432 -924.5 - SF7BW500 to SF12BW500
433 -
434 -925.1 - SF7BW500 to SF12BW500
435 -
436 -925.7 - SF7BW500 to SF12BW500
437 -
438 -926.3 - SF7BW500 to SF12BW500
439 -
440 -926.9 - SF7BW500 to SF12BW500
441 -
442 -927.5 - SF7BW500 to SF12BW500
443 -
444 -923.3 - SF12BW500(RX2 downlink only)
445 -
446 -
447 -
425 +(((
426 +After Join success, the end node will switch to the correct sub band by:
448 448  )))
449 449  
429 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
430 +* 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)
431 +
450 450  === 2.6.3  CN470-510 (CN470) ===
451 451  
452 452  (((
... ... @@ -535,54 +535,28 @@
535 535  
536 536  
537 537  
520 +
538 538  === 2.6.4  AU915-928(AU915) ===
539 539  
540 540  (((
541 -Default use CHE=2
524 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
525 +)))
542 542  
543 -(% style="color:blue" %)**Uplink:**
527 +(((
528 +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.
529 +)))
544 544  
545 -916.8 - SF7BW125 to SF12BW125
546 -
547 -917.0 - SF7BW125 to SF12BW125
548 -
549 -917.2 - SF7BW125 to SF12BW125
550 -
551 -917.4 - SF7BW125 to SF12BW125
552 -
553 -917.6 - SF7BW125 to SF12BW125
554 -
555 -917.8 - SF7BW125 to SF12BW125
556 -
557 -918.0 - SF7BW125 to SF12BW125
558 -
559 -918.2 - SF7BW125 to SF12BW125
560 -
561 -
562 -(% style="color:blue" %)**Downlink:**
563 -
564 -923.3 - SF7BW500 to SF12BW500
565 -
566 -923.9 - SF7BW500 to SF12BW500
567 -
568 -924.5 - SF7BW500 to SF12BW500
569 -
570 -925.1 - SF7BW500 to SF12BW500
571 -
572 -925.7 - SF7BW500 to SF12BW500
573 -
574 -926.3 - SF7BW500 to SF12BW500
575 -
576 -926.9 - SF7BW500 to SF12BW500
577 -
578 -927.5 - SF7BW500 to SF12BW500
579 -
580 -923.3 - SF12BW500(RX2 downlink only)
581 -
582 -
531 +(((
583 583  
584 584  )))
585 585  
535 +(((
536 +After Join success, the end node will switch to the correct sub band by:
537 +)))
538 +
539 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
540 +* 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)
541 +
586 586  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
587 587  
588 588  (((
... ... @@ -691,6 +691,7 @@
691 691  
692 692  
693 693  
650 +
694 694  === 2.6.6  KR920-923 (KR920) ===
695 695  
696 696  (((
... ... @@ -763,6 +763,7 @@
763 763  
764 764  
765 765  
723 +
766 766  === 2.6.7  IN865-867 (IN865) ===
767 767  
768 768  (((
... ... @@ -799,20 +799,18 @@
799 799  
800 800  
801 801  
760 +
802 802  == 2.7  LED Indicator ==
803 803  
804 -The LDDS75 has an internal LED which is to show the status of different state.
763 +The LLDS12 has an internal LED which is to show the status of different state.
805 805  
806 -
807 -* Blink once when device power on.
808 -* The device detects the sensor and flashes 5 times.
809 -* Solid ON for 5 seconds once device successful Join the network.
765 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
810 810  * Blink once when device transmit a packet.
811 811  
812 812  == 2.8  ​Firmware Change Log ==
813 813  
814 814  
815 -**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/]]
771 +**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/]]
816 816  
817 817  
818 818  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
... ... @@ -819,58 +819,71 @@
819 819  
820 820  
821 821  
822 -== 2.9  Mechanical ==
778 += 3.  LiDAR ToF Measurement =
823 823  
780 +== 3.1 Principle of Distance Measurement ==
824 824  
825 -[[image:image-20220610172003-1.png]]
782 +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.
826 826  
827 -[[image:image-20220610172003-2.png]]
784 +[[image:1654831757579-263.png]]
828 828  
829 829  
830 -== 2.10  Battery Analysis ==
831 831  
832 -=== 2.10.1  Battery Type ===
788 +== 3.2 Distance Measurement Characteristics ==
833 833  
834 -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.
790 +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:
835 835  
792 +[[image:1654831774373-275.png]]
836 836  
837 -The battery related documents as below:
838 838  
839 -* (((
840 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
795 +(((
796 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
841 841  )))
842 -* (((
843 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
798 +
799 +(((
800 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
844 844  )))
845 -* (((
846 -[[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]]
802 +
803 +(((
804 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
847 847  )))
848 848  
849 - [[image:image-20220610172400-3.png]]
850 850  
808 +(((
809 +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:
810 +)))
851 851  
852 852  
853 -=== 2.10.2  Replace the battery ===
813 +[[image:1654831797521-720.png]]
854 854  
855 -(((
856 -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.
857 -)))
858 858  
859 859  (((
860 -
817 +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.
861 861  )))
862 862  
820 +[[image:1654831810009-716.png]]
821 +
822 +
863 863  (((
864 -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)
824 +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.
865 865  )))
866 866  
867 867  
868 868  
869 -= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
829 +== 3.3 Notice of usage: ==
870 870  
831 +Possible invalid /wrong reading for LiDAR ToF tech:
832 +
833 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
834 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
835 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
836 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
837 +
838 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
839 +
871 871  (((
872 872  (((
873 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
842 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
874 874  )))
875 875  )))
876 876  
... ... @@ -891,7 +891,7 @@
891 891  )))
892 892  
893 893  (((
894 -There are two kinds of commands to configure LDDS75, they are:
863 +There are two kinds of commands to configure LLDS12, they are:
895 895  )))
896 896  )))
897 897  
... ... @@ -932,150 +932,351 @@
932 932  
933 933  * (((
934 934  (((
935 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
904 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
936 936  )))
937 937  )))
938 938  
939 939  (((
940 940  (((
941 -These commands only valid for LDDS75, as below:
910 +These commands only valid for LLDS12, as below:
942 942  )))
943 943  )))
944 944  
945 945  
946 946  
947 -== 3.1  Access AT Commands ==
916 +== 4.1  Set Transmit Interval Time ==
948 948  
949 -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.
918 +Feature: Change LoRaWAN End Node Transmit Interval.
950 950  
951 -[[image:image-20220610172924-4.png||height="483" width="988"]]
920 +(% style="color:#037691" %)**AT Command: AT+TDC**
952 952  
922 +[[image:image-20220607171554-8.png]]
953 953  
954 -Or if you have below board, use below connection:
955 955  
925 +(((
926 +(% style="color:#037691" %)**Downlink Command: 0x01**
927 +)))
956 956  
957 -[[image:image-20220610172924-5.png]]
929 +(((
930 +Format: Command Code (0x01) followed by 3 bytes time value.
931 +)))
958 958  
933 +(((
934 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
935 +)))
959 959  
960 -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:
937 +* (((
938 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
939 +)))
940 +* (((
941 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
942 +)))
961 961  
944 +== 4.2  Set Interrupt Mode ==
962 962  
963 - [[image:image-20220610172924-6.png||height="601" width="860"]]
946 +Feature, Set Interrupt mode for GPIO_EXIT.
964 964  
948 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
965 965  
950 +[[image:image-20220610105806-2.png]]
966 966  
967 -== 3.2  Set Transmit Interval Time ==
968 968  
969 -Feature: Change LoRaWAN End Node Transmit Interval.
953 +(((
954 +(% style="color:#037691" %)**Downlink Command: 0x06**
955 +)))
970 970  
971 -(% style="color:#037691" %)**AT Command: AT+TDC**
957 +(((
958 +Format: Command Code (0x06) followed by 3 bytes.
959 +)))
972 972  
973 -[[image:image-20220610173409-7.png]]
961 +(((
962 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
963 +)))
974 974  
965 +* (((
966 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
967 +)))
968 +* (((
969 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
970 +)))
975 975  
972 +== 4.3  Get Firmware Version Info ==
973 +
974 +Feature: use downlink to get firmware version.
975 +
976 +(% style="color:#037691" %)**Downlink Command: 0x26**
977 +
978 +[[image:image-20220607171917-10.png]]
979 +
980 +* Reply to the confirmation package: 26 01
981 +* Reply to non-confirmed packet: 26 00
982 +
983 +Device will send an uplink after got this downlink command. With below payload:
984 +
985 +Configures info payload:
986 +
987 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
988 +|=(((
989 +**Size(bytes)**
990 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
991 +|**Value**|Software Type|(((
992 +Frequency
993 +
994 +Band
995 +)))|Sub-band|(((
996 +Firmware
997 +
998 +Version
999 +)))|Sensor Type|Reserve|(((
1000 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1001 +Always 0x02
1002 +)))
1003 +
1004 +**Software Type**: Always 0x03 for LLDS12
1005 +
1006 +
1007 +**Frequency Band**:
1008 +
1009 +*0x01: EU868
1010 +
1011 +*0x02: US915
1012 +
1013 +*0x03: IN865
1014 +
1015 +*0x04: AU915
1016 +
1017 +*0x05: KZ865
1018 +
1019 +*0x06: RU864
1020 +
1021 +*0x07: AS923
1022 +
1023 +*0x08: AS923-1
1024 +
1025 +*0x09: AS923-2
1026 +
1027 +*0xa0: AS923-3
1028 +
1029 +
1030 +**Sub-Band**: value 0x00 ~~ 0x08
1031 +
1032 +
1033 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1034 +
1035 +
1036 +**Sensor Type**:
1037 +
1038 +0x01: LSE01
1039 +
1040 +0x02: LDDS75
1041 +
1042 +0x03: LDDS20
1043 +
1044 +0x04: LLMS01
1045 +
1046 +0x05: LSPH01
1047 +
1048 +0x06: LSNPK01
1049 +
1050 +0x07: LLDS12
1051 +
1052 +
1053 +
1054 += 5.  Battery & How to replace =
1055 +
1056 +== 5.1  Battery Type ==
1057 +
976 976  (((
977 -(% style="color:#037691" %)**Downlink Command: 0x01**
1059 +LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
978 978  )))
979 979  
980 980  (((
1063 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1064 +)))
1065 +
1066 +[[image:1654593587246-335.png]]
1067 +
1068 +
1069 +Minimum Working Voltage for the LLDS12:
1070 +
1071 +LLDS12:  2.45v ~~ 3.6v
1072 +
1073 +
1074 +
1075 +== 5.2  Replace Battery ==
1076 +
981 981  (((
982 -Format: Command Code (0x01) followed by 3 bytes time value.
1078 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1079 +)))
983 983  
984 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1081 +(((
1082 +And make sure the positive and negative pins match.
1083 +)))
985 985  
986 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
987 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1085 +
1086 +
1087 +== 5.3  Power Consumption Analyze ==
1088 +
1089 +(((
1090 +Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
988 988  )))
989 989  
1093 +(((
1094 +Instruction to use as below:
1095 +)))
990 990  
991 -
1097 +
1098 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1099 +
1100 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
1101 +
1102 +
1103 +**Step 2**: Open it and choose
1104 +
1105 +* Product Model
1106 +* Uplink Interval
1107 +* Working Mode
1108 +
1109 +And the Life expectation in difference case will be shown on the right.
1110 +
1111 +[[image:1654593605679-189.png]]
1112 +
1113 +
1114 +The battery related documents as below:
1115 +
1116 +* (((
1117 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
992 992  )))
1119 +* (((
1120 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1121 +)))
1122 +* (((
1123 +[[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]]
1124 +)))
993 993  
994 -== 3.3  Set Interrupt Mode ==
1126 +[[image:image-20220607172042-11.png]]
995 995  
996 -Feature, Set Interrupt mode for GPIO_EXIT.
997 997  
998 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
999 999  
1000 -[[image:image-20220610174917-9.png]]
1130 +=== 5.3.1  ​Battery Note ===
1001 1001  
1132 +(((
1133 +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 transmit LoRa, then the battery life may be decreased.
1134 +)))
1002 1002  
1003 -(% style="color:#037691" %)**Downlink Command: 0x06**
1004 1004  
1005 -Format: Command Code (0x06) followed by 3 bytes.
1006 1006  
1007 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1138 +=== ​5.3.2  Replace the battery ===
1008 1008  
1009 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1010 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1140 +(((
1141 +You can change the battery in the LLDS12.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.
1142 +)))
1011 1011  
1144 +(((
1145 +The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 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)
1146 +)))
1012 1012  
1013 -= 4.  FAQ =
1014 1014  
1015 -== 4.1  What is the frequency plan for LDDS75? ==
1016 1016  
1017 -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"]]
1150 += 6.  Use AT Command =
1018 1018  
1152 +== 6.1  Access AT Commands ==
1019 1019  
1154 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1020 1020  
1021 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1156 +[[image:1654593668970-604.png]]
1022 1022  
1023 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1024 -When downloading the images, choose the required image file for download. ​
1158 +**Connection:**
1025 1025  
1160 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1026 1026  
1162 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1027 1027  
1028 -== 4.3  Can I use LDDS75 in condensation environment? ==
1164 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1029 1029  
1030 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1031 1031  
1167 +(((
1168 +(((
1169 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1170 +)))
1032 1032  
1172 +(((
1173 +LLDS12 will output system info once power on as below:
1174 +)))
1175 +)))
1033 1033  
1034 -= 5.  Trouble Shooting =
1035 1035  
1036 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1178 + [[image:1654593712276-618.png]]
1037 1037  
1038 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1180 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1039 1039  
1040 1040  
1041 -== 5.2  AT Command input doesn't work ==
1183 += 7.  FAQ =
1042 1042  
1185 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1186 +
1187 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1188 +When downloading the images, choose the required image file for download. ​
1189 +
1190 +
1191 += 8.  Trouble Shooting =
1192 +
1193 +== 8.1  AT Commands input doesn’t work ==
1194 +
1195 +
1196 +(((
1043 1043  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1198 +)))
1044 1044  
1200 +
1201 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1202 +
1203 +
1045 1045  (((
1205 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1206 +)))
1207 +
1208 +(((
1209 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1210 +)))
1211 +
1212 +(((
1046 1046  
1047 1047  )))
1048 1048  
1216 +(((
1217 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1218 +)))
1049 1049  
1050 -= 6.  Order Info =
1220 +(((
1221 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1222 +)))
1051 1051  
1052 1052  
1053 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1054 1054  
1226 += 9.  Order Info =
1055 1055  
1056 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1057 1057  
1058 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1059 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1060 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1061 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1062 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1063 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1064 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1065 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1229 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1066 1066  
1067 -(% style="color:blue" %)**YY**(%%): Battery Option
1068 1068  
1069 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1070 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1232 +(% style="color:blue" %)**XX**(%%): The default frequency band
1071 1071  
1234 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1235 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1236 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1237 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1238 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1239 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1240 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1241 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1072 1072  
1073 -= 7. ​ Packing Info =
1243 += 10. ​ Packing Info =
1074 1074  
1075 1075  
1076 1076  **Package Includes**:
1077 1077  
1078 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1248 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1079 1079  
1080 1080  **Dimension and weight**:
1081 1081  
... ... @@ -1084,8 +1084,7 @@
1084 1084  * Package Size / pcs : cm
1085 1085  * Weight / pcs : g
1086 1086  
1257 += 11.  ​Support =
1087 1087  
1088 -= 8.  ​Support =
1089 -
1090 1090  * 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.
1091 1091  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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