Last modified by Xiaoling on 2025/04/19 17:58
<
From version < 43.2 >
edited by Xiaoling
on 2023/02/01 11:33
To version < 42.22 >
edited by Xiaoling
on 2023/01/31 16:28
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -16,33 +16,22 @@
16 16  == 1.1 What is LoRaWAN Pressure Sensor ==
17 17  
18 18  
19 -(((
20 20  The Dragino PS-LB series sensors are (% style="color:blue" %)**LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
21 -)))
22 22  
23 -(((
24 24  The PS-LB series sensors include (% style="color:blue" %)**Thread Installation Type**(%%) and (% style="color:blue" %)**Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
25 -)))
26 26  
27 -(((
28 28  The LoRa wireless technology used in PS-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
29 -)))
30 30  
31 -(((
32 32  PS-LB supports BLE configure and wireless OTA update which make user easy to use.
33 -)))
34 34  
35 -(((
36 36  PS-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
37 -)))
38 38  
39 -(((
40 40  Each PS-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
41 -)))
42 42  
43 43  [[image:1675071321348-194.png]]
44 44  
45 45  
34 +
46 46  == 1.2 ​Features ==
47 47  
48 48  
... ... @@ -59,7 +59,6 @@
59 59  * Downlink to change configure
60 60  * 8500mAh Battery for long term use
61 61  
62 -
63 63  == 1.3 Specification ==
64 64  
65 65  
... ... @@ -106,7 +106,6 @@
106 106  * Sleep Mode: 5uA @ 3.3v
107 107  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
108 108  
109 -
110 110  == 1.4 Probe Types ==
111 111  
112 112  === 1.4.1 Thread Installation Type ===
... ... @@ -125,7 +125,6 @@
125 125  * Operating temperature: -20℃~~60℃
126 126  * Connector Type: Various Types, see order info
127 127  
128 -
129 129  === 1.4.2 Immersion Type ===
130 130  
131 131  
... ... @@ -142,11 +142,11 @@
142 142  * Operating temperature: -40℃~~85℃
143 143  * Material: 316 stainless steels
144 144  
145 -
146 146  == 1.5 Probe Dimension ==
147 147  
148 148  
149 149  
135 +
150 150  == 1.6 Application and Installation ==
151 151  
152 152  === 1.6.1 Thread Installation Type ===
... ... @@ -201,19 +201,21 @@
201 201  
202 202  
203 203  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
204 -|=(% style="width: 167px;" %)**Behavior on ACT**|=(% style="width: 117px;" %)**Function**|=(% style="width: 225px;" %)**Action**
205 -|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
190 +|=(% style="width: 150px;" %)**Behavior on ACT**|=(% style="width: 90px;" %)**Function**|=**Action**
191 +|(% style="width:260px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
206 206  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
193 +
207 207  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
208 208  )))
209 -|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
196 +|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
210 210  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
198 +
211 211  (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
200 +
212 212  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
213 213  )))
214 -|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
203 +|(% style="width:138px" %)Fast press ACT 5 times.|(% style="width:100px" %)Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
215 215  
216 -
217 217  == 1.9 Pin Mapping ==
218 218  
219 219  
... ... @@ -257,6 +257,7 @@
257 257  The PS-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the PS-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
258 258  
259 259  
248 +
260 260  == 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
261 261  
262 262  
... ... @@ -332,8 +332,8 @@
332 332  
333 333  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
334 334  |(% colspan="6" %)**Device Status (FPORT=5)**
335 -|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|(% style="width:91px" %)**1**|(% style="width:86px" %)**1**|(% style="width:44px" %)**2**
336 -|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|(% style="width:91px" %)Frequency Band|(% style="width:86px" %)Sub-band|(% style="width:44px" %)BAT
324 +|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|**1**|**1**|**2**
325 +|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
337 337  
338 338  Example parse in TTNv3
339 339  
... ... @@ -402,8 +402,8 @@
402 402  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
403 403  |(% style="width:97px" %)(((
404 404  **Size(bytes)**
405 -)))|(% style="width:48px" %)**2**|(% style="width:71px" %)**2**|(% style="width:98px" %)**2**|(% style="width:73px" %)**2**|(% style="width:122px" %)**1**
406 -|(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
394 +)))|(% style="width:48px" %)**2**|(% style="width:58px" %)**2**|**2**|**2**|**1**
395 +|(% style="width:97px" %)**Value**|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:58px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
407 407  
408 408  [[image:1675144608950-310.png]]
409 409  
... ... @@ -536,6 +536,7 @@
536 536  [[image:1675145060812-420.png]]
537 537  
538 538  
528 +
539 539  After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
540 540  
541 541  
... ... @@ -569,7 +569,7 @@
569 569  
570 570  There are two kinds of commands to configure PS-LB, they are:
571 571  
572 -* (% style="color:#037691" %)**General Commands**
562 +* (% style="color:#037691" %)**General Commands**.
573 573  
574 574  These commands are to configure:
575 575  
... ... @@ -594,14 +594,17 @@
594 594  (% style="color:blue" %)**AT Command: AT+TDC**
595 595  
596 596  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
597 -|=(% style="width: 156px;" %)**Command Example**|=(% style="width: 137px;" %)**Function**|=**Response**
598 -|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
587 +|**Command Example**|**Function**|**Response**
588 +|AT+TDC=?|Show current transmit Interval|(((
599 599  30000
590 +
600 600  OK
592 +
601 601  the interval is 30000ms = 30s
602 602  )))
603 -|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
595 +|AT+TDC=60000|Set Transmit Interval|(((
604 604  OK
597 +
605 605  Set transmit interval to 60000ms = 60 seconds
606 606  )))
607 607  
... ... @@ -609,10 +609,10 @@
609 609  
610 610  Format: Command Code (0x01) followed by 3 bytes time value.
611 611  
612 -If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
605 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
613 613  
614 -* Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
615 -* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
607 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
608 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
616 616  
617 617  
618 618  == 3.2 Set Interrupt Mode ==
... ... @@ -623,19 +623,25 @@
623 623  (% style="color:blue" %)**AT Command: AT+INTMOD**
624 624  
625 625  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
626 -|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 196px;" %)**Function**|=(% style="width: 157px;" %)**Response**
627 -|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
619 +|**Command Example**|**Function**|**Response**
620 +|AT+INTMOD=?|Show current interrupt mode|(((
628 628  0
622 +
629 629  OK
624 +
630 630  the mode is 0 = No interruption
631 631  )))
632 -|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
627 +|AT+INTMOD=2|(((
633 633  Set Transmit Interval
629 +
634 634  ~1. (Disable Interrupt),
635 -2. (Trigger by rising and falling edge)
631 +
632 +2. (Trigger by rising and falling edge),
633 +
636 636  3. (Trigger by falling edge)
635 +
637 637  4. (Trigger by rising edge)
638 -)))|(% style="width:157px" %)OK
637 +)))|OK
639 639  
640 640  (% style="color:blue" %)**Downlink Command: 0x06**
641 641  
... ... @@ -643,10 +643,9 @@
643 643  
644 644  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
645 645  
646 -* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
647 -* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
645 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
646 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
648 648  
649 -
650 650  == 3.3 Set the output time ==
651 651  
652 652  
... ... @@ -654,53 +654,68 @@
654 654  
655 655  (% style="color:blue" %)**AT Command: AT+3V3T**
656 656  
657 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:474px" %)
658 -|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 201px;" %)**Function**|=(% style="width: 116px;" %)**Response**
659 -|(% style="width:154px" %)AT+3V3T=?|(% style="width:201px" %)Show 3V3 open time.|(% style="width:116px" %)(((
655 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
656 +|(% style="width:156px" %)**Command Example**|(% style="width:236px" %)**Function**|(% style="width:117px" %)**Response**
657 +|(% style="width:156px" %)AT+3V3T=?|(% style="width:236px" %)Show 3V3 open time.|(% style="width:117px" %)(((
660 660  0
659 +
661 661  OK
662 662  )))
663 -|(% style="width:154px" %)AT+3V3T=0|(% style="width:201px" %)Normally open 3V3 power supply.|(% style="width:116px" %)(((
662 +|(% style="width:156px" %)AT+3V3T=0|(% style="width:236px" %)Normally open 3V3 power supply.|(% style="width:117px" %)(((
664 664  OK
664 +
665 665  default setting
666 666  )))
667 -|(% style="width:154px" %)AT+3V3T=1000|(% style="width:201px" %)Close after a delay of 1000 milliseconds.|(% style="width:116px" %)(((
667 +|(% style="width:156px" %)AT+3V3T=1000|(% style="width:236px" %)Close after a delay of 1000 milliseconds.|(% style="width:117px" %)(((
668 668  OK
669 +
670 +
669 669  )))
670 -|(% style="width:154px" %)AT+3V3T=65535|(% style="width:201px" %)Normally closed 3V3 power supply.|(% style="width:116px" %)(((
672 +|(% style="width:156px" %)AT+3V3T=65535|(% style="width:236px" %)Normally closed 3V3 power supply.|(% style="width:117px" %)(((
671 671  OK
674 +
675 +
672 672  )))
673 673  
674 674  (% style="color:blue" %)**AT Command: AT+5VT**
675 675  
676 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:470px" %)
677 -|=(% style="width: 155px;" %)**Command Example**|=(% style="width: 196px;" %)**Function**|=(% style="width: 114px;" %)**Response**
678 -|(% style="width:155px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:114px" %)(((
680 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
681 +|(% style="width:158px" %)**Command Example**|(% style="width:232px" %)**Function**|(% style="width:119px" %)**Response**
682 +|(% style="width:158px" %)AT+5VT=?|(% style="width:232px" %)Show 5V open time.|(% style="width:119px" %)(((
679 679  0
684 +
680 680  OK
681 681  )))
682 -|(% style="width:155px" %)AT+5VT=0|(% style="width:196px" %)Normally closed 5V power supply.|(% style="width:114px" %)(((
687 +|(% style="width:158px" %)AT+5VT=0|(% style="width:232px" %)Normally closed 5V power supply.|(% style="width:119px" %)(((
683 683  OK
689 +
684 684  default setting
685 685  )))
686 -|(% style="width:155px" %)AT+5VT=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:114px" %)(((
692 +|(% style="width:158px" %)AT+5VT=1000|(% style="width:232px" %)Close after a delay of 1000 milliseconds.|(% style="width:119px" %)(((
687 687  OK
694 +
695 +
688 688  )))
689 -|(% style="width:155px" %)AT+5VT=65535|(% style="width:196px" %)Normally open 5V power supply.|(% style="width:114px" %)(((
697 +|(% style="width:158px" %)AT+5VT=65535|(% style="width:232px" %)Normally open 5V power supply.|(% style="width:119px" %)(((
690 690  OK
699 +
700 +
691 691  )))
692 692  
693 693  (% style="color:blue" %)**AT Command: AT+12VT**
694 694  
695 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:443px" %)
696 -|=(% style="width: 156px;" %)**Command Example**|=(% style="width: 199px;" %)**Function**|=(% style="width: 83px;" %)**Response**
697 -|(% style="width:156px" %)AT+12VT=?|(% style="width:199px" %)Show 12V open time.|(% style="width:83px" %)(((
705 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
706 +|(% style="width:156px" %)**Command Example**|(% style="width:268px" %)**Function**|**Response**
707 +|(% style="width:156px" %)AT+12VT=?|(% style="width:268px" %)Show 12V open time.|(((
698 698  0
709 +
699 699  OK
700 700  )))
701 -|(% style="width:156px" %)AT+12VT=0|(% style="width:199px" %)Normally closed 12V power supply.|(% style="width:83px" %)OK
702 -|(% style="width:156px" %)AT+12VT=500|(% style="width:199px" %)Close after a delay of 500 milliseconds.|(% style="width:83px" %)(((
712 +|(% style="width:156px" %)AT+12VT=0|(% style="width:268px" %)Normally closed 12V power supply.|OK
713 +|(% style="width:156px" %)AT+12VT=500|(% style="width:268px" %)Close after a delay of 500 milliseconds.|(((
703 703  OK
715 +
716 +
704 704  )))
705 705  
706 706  (% style="color:blue" %)**Downlink Command: 0x07**
... ... @@ -709,31 +709,35 @@
709 709  
710 710  The first byte is which power, the second and third bytes are the time to turn on.
711 711  
712 -* Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
713 -* Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
714 -* Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
715 -* Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
716 -* Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
717 -* Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
725 +* Example 1: Downlink Payload: 070101F4  -> AT+3V3T=500
726 +* Example 2: Downlink Payload: 0701FFFF   -> AT+3V3T=65535
727 +* Example 3: Downlink Payload: 070203E8  -> AT+5VT=1000
728 +* Example 4: Downlink Payload: 07020000  -> AT+5VT=0
729 +* Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
730 +* Example 6: Downlink Payload: 07030000  -> AT+12VT=0
718 718  
719 -
720 720  == 3.4 Set the Probe Model ==
721 721  
722 722  
723 723  (% style="color:blue" %)**AT Command: AT** **+PROBE**
724 724  
725 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:448px" %)
726 -|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 204px;" %)**Function**|=(% style="width: 85px;" %)**Response**
727 -|(% style="width:154px" %)AT +PROBE =?|(% style="width:204px" %)Get or Set the probe model.|(% style="width:85px" %)(((
737 +(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
738 +|(% style="width:157px" %)**Command Example**|(% style="width:267px" %)**Function**|**Response**
739 +|(% style="width:157px" %)AT +PROBE =?|(% style="width:267px" %)Get or Set the probe model.|(((
728 728  0
741 +
729 729  OK
730 730  )))
731 -|(% style="width:154px" %)AT +PROBE =0003|(% style="width:204px" %)Set water depth sensor mode, 3m type.|(% style="width:85px" %)OK
732 -|(% style="width:154px" %)AT +PROBE =0101|(% style="width:204px" %)Set pressure transmitters mode, first type.|(% style="width:85px" %)(((
744 +|(% style="width:157px" %)AT +PROBE =0003|(% style="width:267px" %)Set water depth sensor mode, 3m type.|OK
745 +|(% style="width:157px" %)AT +PROBE =0101|(% style="width:267px" %)Set pressure transmitters mode, first type.|(((
733 733  OK
747 +
748 +
734 734  )))
735 -|(% style="width:154px" %)AT +PROBE =0000|(% style="width:204px" %)Initial state, no settings.|(% style="width:85px" %)(((
750 +|(% style="width:157px" %)AT +PROBE =0000|(% style="width:267px" %)Initial state, no settings.|(((
736 736  OK
752 +
753 +
737 737  )))
738 738  
739 739  (% style="color:blue" %)**Downlink Command: 0x08**
... ... @@ -740,10 +740,9 @@
740 740  
741 741  Format: Command Code (0x08) followed by 2 bytes.
742 742  
743 -* Example 1: Downlink Payload: 080003  **~-~-->**  AT+PROBE=0003
744 -* Example 2: Downlink Payload: 080101  **~-~-->**  AT+PROBE=0101
760 +* Example 1: Downlink Payload: 080003  -> AT+PROBE=0003
761 +* Example 2: Downlink Payload: 080101  -> AT+PROBE=0101
745 745  
746 -
747 747  = 4. Battery & how to replace =
748 748  
749 749  == 4.1 Battery Type ==
... ... @@ -775,10 +775,15 @@
775 775  
776 776  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.
777 777  
794 +
778 778  Instruction to use as below:
779 779  
780 -(% style="color:blue" %)**Step 1:**(%%) Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
781 781  
798 +(% style="color:blue" %)**Step 1:**(%%) Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
799 +
800 +[[https:~~/~~/www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0>>https://www.dropbox.com/sh/zwex6i331j5oeq2/AACIMf9f_v2qsJ39CuMQ5Py_a?dl=0]]
801 +
802 +
782 782  (% style="color:blue" %)**Step 2:**(%%) Open it and choose
783 783  
784 784  * Product Model
... ... @@ -872,7 +872,6 @@
872 872  * Package Size / pcs : cm
873 873  * Weight / pcs : g
874 874  
875 -
876 876  = 10. Support =
877 877  
878 878  
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880 880  
881 881  * 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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