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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.13
edited by Xiaoling
on 2023/06/19 16:05
Change comment: There is no comment for this version
To version 117.1
edited by Bei Jinggeng
on 2023/04/26 16:20
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -189,6 +189,7 @@
189 189  
190 190  * Counting
191 191  
192 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -205,12 +205,11 @@
205 205  * Smart Factory
206 206  
207 207  
208 -
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
212 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
214 214  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 215  (% style="text-align:center" %)
216 216  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -223,6 +223,7 @@
223 223  * 1 x Counting Port
224 224  )))
225 225  
226 +
226 226  = 2. Power ON Device =
227 227  
228 228  
... ... @@ -279,7 +279,7 @@
279 279  Each LT is shipped with a sticker with the default device EUI as below:
280 280  )))
281 281  
282 -[[image:image-20230425173427-2.png||height="246" width="530"]]
283 +[[image:image-20230425173427-2.png]]
283 283  
284 284  
285 285  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -310,15 +310,10 @@
310 310  There are five working modes + one interrupt mode on LT for different type application:
311 311  
312 312  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313 -
314 314  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315 -
316 316  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323 323  
324 324  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -325,31 +325,19 @@
325 325  
326 326  
327 327  (((
328 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
329 -
330 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
331 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
332 -|Value|(((
333 -AVI1 voltage
334 -)))|(((
335 -AVI2 voltage
336 -)))|(((
337 -ACI1 Current
338 -)))|(((
339 -ACI2 Current
340 -)))|DIDORO*|(((
341 -Reserve
342 -)))|MOD
324 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
343 343  )))
344 344  
327 +[[image:image-20220523174024-3.png]]
328 +
345 345  (((
346 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
330 +
347 347  
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
349 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
332 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
351 351  )))
352 352  
335 +[[image:image-20220523174254-4.png]]
336 +
353 353  * RO is for relay. ROx=1 : close，ROx=0 always open.
354 354  * DI is for digital input. DIx=1: high or float, DIx=0: low.
355 355  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -389,8 +389,6 @@
389 389  ** DO1 is high in case there is load between DO1 and V+.
390 390  ** DO1 LED is off in both case
391 391  
392 -
393 -
394 394  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395 395  
396 396  
... ... @@ -400,24 +400,18 @@
400 400  
401 401  (((
402 402  Total : 11 bytes payload
403 -
404 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
406 -|Value|COUNT1|COUNT2 |DIDORO*|(((
407 -Reserve
408 -)))|MOD
409 409  )))
410 410  
411 -(((
412 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
387 +[[image:image-20220523180452-3.png]]
413 413  
414 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
417 417  
418 -RO is for relay. ROx=1 : close，ROx=0 always open.
390 +(((
391 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
394 +[[image:image-20220523180506-4.png]]
395 +
396 +* RO is for relay. ROx=1 : close，ROx=0 always open.
421 421  * FIRST: Indicate this is the first packet after join network.
422 422  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423 423  
... ... @@ -426,28 +426,36 @@
426 426  )))
427 427  
428 428  (((
405 +
406 +
429 429  **To use counting mode, please run:**
430 430  )))
431 431  
432 -
433 -(((
434 434  (% class="box infomessage" %)
435 435  (((
412 +(((
413 +(((
436 436  **AT+MOD=2**
415 +)))
437 437  
417 +(((
438 438  **ATZ**
439 439  )))
440 440  )))
421 +)))
441 441  
442 442  (((
443 443  
444 444  
445 445  (% style="color:#4f81bd" %)**AT Commands for counting:**
427 +
428 +
446 446  )))
447 447  
448 448  (((
449 449  **For LT22222-L:**
450 450  
434 +
451 451  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
452 452  
453 453  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -467,22 +467,16 @@
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
469 469  
470 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
472 -|Value|COUNT1|(((
473 -ACI1 Current
474 -)))|(((
475 -ACI2 Current
476 -)))|DIDORO*|Reserve|MOD
454 +[[image:image-20220523181246-5.png]]
477 477  
478 478  (((
479 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
457 +
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
459 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 484  )))
485 485  
462 +[[image:image-20220523181301-6.png]]
463 +
486 486  * RO is for relay. ROx=1 : close，ROx=0 always open.
487 487  * FIRST: Indicate this is the first packet after join network.
488 488  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -496,16 +496,19 @@
496 496  **To use counting mode, please run:**
497 497  )))
498 498  
499 -(((
500 500  (% class="box infomessage" %)
501 501  (((
479 +(((
480 +(((
502 502  **AT+MOD=3**
482 +)))
503 503  
484 +(((
504 504  **ATZ**
505 505  )))
506 506  )))
488 +)))
507 507  
508 -
509 509  (((
510 510  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
511 511  )))
... ... @@ -520,22 +520,17 @@
520 520  
521 521  (((
522 522  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
523 -
524 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
526 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527 -Reserve
528 -)))|MOD
529 529  )))
530 530  
506 +[[image:image-20220523181903-8.png]]
507 +
508 +
531 531  (((
532 532  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
533 -
534 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
537 537  )))
538 538  
513 +[[image:image-20220523181727-7.png]]
514 +
539 539  * RO is for relay. ROx=1 : close，ROx=0 always open.
540 540  * FIRST: Indicate this is the first packet after join network.
541 541  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -545,17 +545,23 @@
545 545  )))
546 546  
547 547  (((
524 +
525 +
548 548  **To use this mode, please run:**
549 549  )))
550 550  
551 -(((
552 552  (% class="box infomessage" %)
553 553  (((
531 +(((
532 +(((
554 554  **AT+MOD=4**
534 +)))
555 555  
536 +(((
556 556  **ATZ**
557 557  )))
558 558  )))
540 +)))
559 559  
560 560  
561 561  (((
... ... @@ -563,8 +563,11 @@
563 563  )))
564 564  
565 565  (((
548 +
549 +
566 566  **Plus below command for AVI1 Counting:**
567 567  
552 +
568 568  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
569 569  
570 570  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -580,24 +580,12 @@
580 580  
581 581  **LT22222-L**: This mode the DI1 is used as a counting pin.
582 582  
583 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
584 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
585 -|Value|(((
586 -AVI1 voltage
587 -)))|(((
588 -AVI2 voltage
589 -)))|(((
590 -ACI1 Current
591 -)))|COUNT1|DIDORO*|(((
592 -Reserve
593 -)))|MOD
568 +[[image:image-20220523182334-9.png]]
594 594  
595 595  (((
596 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
571 +
597 597  
598 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
599 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
600 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
573 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
601 601  )))
602 602  
603 603  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -616,17 +616,19 @@
616 616  **To use this mode, please run:**
617 617  )))
618 618  
619 -
620 -(((
621 621  (% class="box infomessage" %)
622 622  (((
594 +(((
595 +(((
623 623  **AT+MOD=5**
597 +)))
624 624  
599 +(((
625 625  **ATZ**
626 626  )))
627 627  )))
603 +)))
628 628  
629 -
630 630  (((
631 631  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
632 632  )))
... ... @@ -720,39 +720,12 @@
720 720  
721 721  MOD6 Payload : total 11 bytes payload
722 722  
723 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
724 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
725 -|Value|(((
726 -TRI_A FLAG
727 -)))|(((
728 -TRI_A Status
729 -)))|(((
730 -TRI_DI FLAG+STA
731 -)))|Reserve|Enable/Disable MOD6|(((
732 -MOD(6)
733 -)))
698 +[[image:image-20220524085923-1.png]]
734 734  
700 +
735 735  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
736 736  
737 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
738 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
739 -|(((
740 -AV1_LOW
741 -)))|(((
742 -AV1_HIGH
743 -)))|(((
744 -AV2_LOW
745 -)))|(((
746 -AV2_HIGH
747 -)))|(((
748 -AC1_LOW
749 -)))|(((
750 -AC1_HIGH
751 -)))|(((
752 -AC2_LOW
753 -)))|(((
754 -AC2_HIGH
755 -)))
703 +[[image:image-20220524090106-2.png]]
756 756  
757 757  * Each bits shows if the corresponding trigger has been configured.
758 758  
... ... @@ -761,27 +761,10 @@
761 761  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
762 762  
763 763  
712 +
764 764  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
765 765  
766 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
767 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
768 -|(((
769 -AV1_LOW
770 -)))|(((
771 -AV1_HIGH
772 -)))|(((
773 -AV2_LOW
774 -)))|(((
775 -AV2_HIGH
776 -)))|(((
777 -AC1_LOW
778 -)))|(((
779 -AC1_HIGH
780 -)))|(((
781 -AC2_LOW
782 -)))|(((
783 -AC2_HIGH
784 -)))
715 +[[image:image-20220524090249-3.png]]
785 785  
786 786  * Each bits shows which status has been trigger on this uplink.
787 787  
... ... @@ -792,9 +792,7 @@
792 792  
793 793  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
794 794  
795 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
796 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
797 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
726 +[[image:image-20220524090456-4.png]]
798 798  
799 799  * Each bits shows which status has been trigger on this uplink.
800 800  
... ... @@ -874,10 +874,14 @@
874 874  
875 875  Set work mode.
876 876  
877 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
806 +* (% style="color:#037691" %)**AT Command:**
878 878  
808 +(% style="color:blue" %)**AT+MOD=N  **
809 +
810 +
879 879  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
880 880  
813 +
881 881  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
882 882  
883 883  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -887,12 +887,16 @@
887 887  ==== 3.4.2.3 Poll an uplink ====
888 888  
889 889  
890 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
823 +* (% style="color:#037691" %)**AT Command:**
891 891  
825 +There is no AT Command to poll uplink
826 +
827 +
892 892  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
893 893  
894 894  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
895 895  
832 +
896 896  **Example**: 0x08FF, ask device to send an Uplink
897 897  
898 898  
... ... @@ -902,8 +902,10 @@
902 902  
903 903  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
904 904  
905 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
842 +* (% style="color:#037691" %)**AT Command:**
906 906  
844 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
845 +
907 907  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
908 908  
909 909  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -918,12 +918,13 @@
918 918  ==== 3.4.2.5 Poll trigger settings ====
919 919  
920 920  
921 -Poll trigger settings
860 +Poll trigger settings,
922 922  
923 923  * (% style="color:#037691" %)**AT Command:**
924 924  
925 925  There is no AT Command for this feature.
926 926  
866 +
927 927  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
928 928  
929 929  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -935,11 +935,15 @@
935 935  
936 936  Enable Disable DI1/DI2/DI2 as trigger,
937 937  
938 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 +* (% style="color:#037691" %)**AT Command:**
939 939  
940 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
880 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
941 941  
942 942  
883 +**Example:**
884 +
885 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
886 +
943 943  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
944 944  
945 945  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -951,15 +951,20 @@
951 951  
952 952  Set DI1 or DI3(for LT-33222-L) trigger.
953 953  
954 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
898 +* (% style="color:#037691" %)**AT Command:**
955 955  
900 +(% style="color:blue" %)**AT+TRIG1=a,b**
901 +
956 956  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
957 957  
958 958  (% style="color:red" %)**b :** (%%)delay timing.
959 959  
960 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
961 961  
907 +**Example:**
962 962  
909 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
910 +
911 +
963 963  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
964 964  
965 965  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -971,15 +971,20 @@
971 971  
972 972  Set DI2 trigger.
973 973  
974 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
923 +* (% style="color:#037691" %)**AT Command:**
975 975  
925 +(% style="color:blue" %)**AT+TRIG2=a,b**
926 +
976 976  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
977 977  
978 978  (% style="color:red" %)**b :** (%%)delay timing.
979 979  
980 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
981 981  
932 +**Example:**
982 982  
934 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
935 +
936 +
983 983  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
984 984  
985 985  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -991,8 +991,11 @@
991 991  
992 992  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
993 993  
994 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
948 +* (% style="color:#037691" %)**AT Command**
995 995  
950 +(% style="color:blue" %)**AT+ACLIM**
951 +
952 +
996 996  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
997 997  
998 998  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1004,8 +1004,11 @@
1004 1004  
1005 1005  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006 1006  
1007 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 +* (% style="color:#037691" %)**AT Command**
1008 1008  
966 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
967 +
968 +
1009 1009  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1010 1010  
1011 1011  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1017,13 +1017,18 @@
1017 1017  
1018 1018  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1019 1019  
1020 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
980 +* (% style="color:#037691" %)**AT Command**
1021 1021  
982 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
983 +
984 +
1022 1022  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1023 1023  
1024 1024  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1025 1025  
1026 1026  (((
990 +
991 +
1027 1027  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1028 1028  )))
1029 1029  
... ... @@ -1038,9 +1038,8 @@
1038 1038  
1039 1039  
1040 1040  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1006 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1041 1041  
1042 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1043 -
1044 1044  (((
1045 1045  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1046 1046  )))
... ... @@ -1047,14 +1047,10 @@
1047 1047  
1048 1048  (((
1049 1049  01: Low,  00: High ,  11: No action
1050 -
1051 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1052 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1053 -|02  01  00  11|Low|High|No Action
1054 -|02  00  11  01|High|No Action|Low
1055 -|02  11  01  00|No Action|Low|High
1056 1056  )))
1057 1057  
1016 +[[image:image-20220524092754-5.png]]
1017 +
1058 1058  (((
1059 1059  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1060 1060  )))
... ... @@ -1091,31 +1091,24 @@
1091 1091  
1092 1092  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1093 1093  
1094 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1095 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1096 -|0x01|DO1 set to low
1097 -|0x00|DO1 set to high
1098 -|0x11|DO1 NO Action
1054 +[[image:image-20220524093238-6.png]]
1099 1099  
1056 +
1100 1100  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1101 1101  
1102 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1103 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1104 -|0x01|DO2 set to low
1105 -|0x00|DO2 set to high
1106 -|0x11|DO2 NO Action
1059 +[[image:image-20220524093328-7.png]]
1107 1107  
1061 +
1108 1108  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1109 1109  
1110 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1111 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1112 -|0x01|DO3 set to low
1113 -|0x00|DO3 set to high
1114 -|0x11|DO3 NO Action
1064 +[[image:image-20220524093351-8.png]]
1115 1115  
1116 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1117 1117  
1067 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1118 1118  
1069 + Latching time. Unit: ms
1070 +
1071 +
1119 1119  (% style="color:red" %)**Note: **
1120 1120  
1121 1121   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1122,6 +1122,7 @@
1122 1122  
1123 1123   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1124 1124  
1078 +
1125 1125  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1126 1126  
1127 1127  
... ... @@ -1164,17 +1164,10 @@
1164 1164  
1165 1165  (((
1166 1166  01: Close ,  00: Open , 11: No action
1121 +)))
1167 1167  
1168 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1169 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1170 -|03  00  11|Open|No Action
1171 -|03  01  11|Close|No Action
1172 -|03  11  00|No Action|Open
1173 -|03  11  01|No Action|Close
1174 -|03  00  00|Open|Open
1175 -|03  01  01|Close|Close
1176 -|03  01  00|Close|Open
1177 -|03  00  01|Open|Close
1123 +(((
1124 +[[image:image-20230426161322-1.png]]
1178 1178  )))
1179 1179  
1180 1180  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1248,8 +1248,11 @@
1248 1248  
1249 1249  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1250 1250  
1251 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1198 +* (% style="color:#037691" %)**AT Command:**
1252 1252  
1200 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1201 +
1202 +
1253 1253  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1254 1254  
1255 1255  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1259,8 +1259,10 @@
1259 1259  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1260 1260  
1261 1261  
1262 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1212 +* (% style="color:#037691" %)**AT Command:**
1263 1263  
1214 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1215 +
1264 1264  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1265 1265  
1266 1266  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1277,8 +1277,11 @@
1277 1277  
1278 1278  Clear counting for counting mode
1279 1279  
1280 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1232 +* (% style="color:#037691" %)**AT Command:**
1281 1281  
1234 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1235 +
1236 +
1282 1282  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1283 1283  
1284 1284  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1430,7 +1430,7 @@
1430 1430  
1431 1431  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1432 1432  
1433 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1388 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1434 1434  
1435 1435  Search under The things network
1436 1436  
... ... @@ -1469,12 +1469,12 @@
1469 1469  
1470 1470  
1471 1471  (((
1472 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1427 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1473 1473  )))
1474 1474  
1475 1475  (((
1476 1476  (((
1477 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1432 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1478 1478  
1479 1479  
1480 1480  )))
... ... @@ -1582,16 +1582,6 @@
1582 1582  )))
1583 1583  
1584 1584  
1585 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1586 -
1587 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1588 -
1589 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1590 -
1591 -[[image:image-20230616235145-1.png]]
1592 -
1593 -
1594 -
1595 1595  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1596 1596  
1597 1597  
... ... @@ -1625,6 +1625,7 @@
1625 1625  
1626 1626  **Black:  GND**
1627 1627  
1573 +
1628 1628  **Connection diagram:**
1629 1629  
1630 1630  [[image:1653357640609-758.png]]
... ... @@ -1632,22 +1632,6 @@
1632 1632  [[image:1653357648330-671.png||height="155" width="733"]]
1633 1633  
1634 1634  
1635 -Example connected to a regulated power supply to measure voltage
1636 -
1637 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1638 -
1639 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1640 -
1641 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1642 -
1643 -
1644 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1645 -
1646 -(% style="color:red" %)**Red:  12~~24v**
1647 -
1648 -**Black:  GND**
1649 -
1650 -
1651 1651  === 3.6.5 Relay Output ===
1652 1652  
1653 1653  
... ... @@ -1666,41 +1666,9 @@
1666 1666  == 3.7 LEDs Indicators ==
1667 1667  
1668 1668  
1669 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1670 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1671 -|**PWR**|Always on if there is power
1672 -|**SYS**|(((
1673 -After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1674 -)))
1675 -|**TX**|(((
1676 -(((
1677 -Device boot: TX blinks 5 times.
1678 -)))
1599 +[[image:image-20220524100748-11.png]]
1679 1679  
1680 -(((
1681 -Successful join network: TX ON for 5 seconds.
1682 -)))
1683 1683  
1684 -(((
1685 -Transmit a LoRa packet: TX blinks once
1686 -)))
1687 -)))
1688 -|**RX**|RX blinks once when receive a packet.
1689 -|**DO1**|
1690 -|**DO2**|
1691 -|**DO3**|
1692 -|**DI2**|(((
1693 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1694 -)))
1695 -|**DI2**|(((
1696 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1697 -)))
1698 -|**DI2**|(((
1699 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1700 -)))
1701 -|**RO1**|
1702 -|**RO2**|
1703 -
1704 1704  = 4. Use AT Command =
1705 1705  
1706 1706  == 4.1 Access AT Command ==
... ... @@ -2081,7 +2081,7 @@
2081 2081  
2082 2082  (((
2083 2083  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2084 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1982 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2085 2085  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2086 2086  
2087 2087  
... ... @@ -2186,20 +2186,14 @@
2186 2186  [[image:1653360498588-932.png||height="485" width="726"]]
2187 2187  
2188 2188  
2189 -== 6.4 How to change the uplink interval？ ==
2087 +== 6.4 Can I see counting event in Serial? ==
2190 2190  
2191 2191  
2192 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2193 -
2194 -
2195 -== 6.5 Can I see counting event in Serial? ==
2196 -
2197 -
2198 2198  (((
2199 2199  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2200 2200  
2201 2201  
2202 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2094 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2203 2203  
2204 2204  
2205 2205  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2208,7 +2208,7 @@
2208 2208  )))
2209 2209  
2210 2210  (((
2211 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2212 2212  
2213 2213  
2214 2214  If the device is not shut down, but directly powered off.
... ... @@ -2220,7 +2220,7 @@
2220 2220  After restart, the status before power failure will be read from flash.
2221 2221  
2222 2222  
2223 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2115 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2224 2224  
2225 2225  
2226 2226  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2229,7 +2229,7 @@
2229 2229  [[image:image-20221006170630-1.png||height="610" width="945"]]
2230 2230  
2231 2231  
2232 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 6.8 Can LT22222-L save RO state? ==
2233 2233  
2234 2234  
2235 2235  Firmware version needs to be no less than 1.6.0.
... ... @@ -2292,6 +2292,7 @@
2292 2292  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2293 2293  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2294 2294  
2187 +
2295 2295  = 9. Packing Info =
2296 2296  
2297 2297  
... ... @@ -2309,6 +2309,7 @@
2309 2309  * Package Size / pcs : 14.5 x 8 x 5 cm
2310 2310  * Weight / pcs : 170g
2311 2311  
2205 +
2312 2312  = 10. Support =
2313 2313  
2314 2314  
... ... @@ -2316,7 +2316,7 @@
2316 2316  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.
2317 2317  )))
2318 2318  * (((
2319 -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.cc>>mailto:Support@dragino.cc]]
2213 +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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2320 2320  
2321 2321  
2322 2322  
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2329 2329  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2330 2330  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2331 2331  
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