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Last modified by Kilight Cao on 2025/07/03 15:34
From version 55.3
edited by Kilight Cao
on 2025/07/03 15:10
Change comment: There is no comment for this version
To version 55.4
edited by Kilight Cao
on 2025/07/03 15:15
Change comment: There is no comment for this version

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... ... @@ -506,6 +506,7 @@
506 506  
507 507  
508 508  
509 +
509 509  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
510 510  
511 511  
... ... @@ -544,6 +544,7 @@
544 544  
545 545  
546 546  
548 +
547 547  (((
548 548  **To activate this mode, run the following AT commands:**
549 549  )))
... ... @@ -638,6 +638,7 @@
638 638  
639 639  
640 640  
643 +
641 641  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
642 642  
643 643  
... ... @@ -700,6 +700,7 @@
700 700  
701 701  
702 702  
706 +
703 703  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
704 704  
705 705  
... ... @@ -2280,6 +2280,7 @@
2280 2280  
2281 2281  
2282 2282  
2287 +
2283 2283  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2284 2284  
2285 2285  From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
... ... @@ -2556,11 +2556,27 @@
2556 2556  This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2557 2557  
2558 2558  
2559 -== 6.1 How to update the firmware? ==
2564 +== 6.1 OTA Firmware update ==
2560 2560  
2561 2561  
2567 +(% class="wikigeneratedid" %)
2568 +User can change firmware LT-22222-LA to:
2562 2562  
2570 +* Change Frequency band/ region.
2571 +* Update with new features.
2572 +* Fix bugs.
2563 2563  
2574 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fis3g6nmhv0eokg/AAC6BcCZaX4BdqZkduUvZ3jIa?dl=0]]**
2575 +
2576 +
2577 +Methods to Update Firmware:
2578 +
2579 +* (Recommanded way) OTA firmware update via wireless : **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
2580 +* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
2581 +
2582 +
2583 +
2584 +
2564 2564  (((
2565 2565  (((
2566 2566  == 6.2 How to change the LoRaWAN frequency band/region? ==
... ... @@ -2746,7 +2746,7 @@
2746 2746  = 8. Ordering information =
2747 2747  
2748 2748  
2749 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2770 +(% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
2750 2750  
2751 2751  (% style="color:#4f81bd" %)**XXX:**
2752 2752  
... ... @@ -2765,8 +2765,8 @@
2765 2765  
2766 2766  (% style="color:#037691" %)**Package Includes**:
2767 2767  
2768 -* 1 x LT-22222-L I/O Controller
2769 -* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2789 +* 1 x LT-22222-LA I/O Controller
2790 +* 1 x LoRa antenna matched to the frequency of the LT-22222-LA
2770 2770  * 1 x bracket for DIN rail mounting
2771 2771  * 1 x 3.5 mm programming cable
2772 2772