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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 130.4
edited by Karry Zhuang
on 2024/04/30 16:44
Change comment: There is no comment for this version
To version 123.1
edited by Karry Zhuang
on 2024/04/30 16:27
Change comment: Uploaded new attachment "1714465658414-905.png", version {1}

Summary

Details

Page properties
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414 414  
415 415  [[image:1714465532892-179.png||height="250" width="586"]]
416 416  
417 -Example of the first payload（FPort=3）：663095C00BBE1000FFD8FFE000104A46494600010101004800480000FFDB0043001B12141714111B1716171E1C1B2028422B28252528513A3D3042605565645F555D5B6A7899816A7190735B5D85B586909EA3ABADAB6780BCC9BAA6C799A8ABA4FFDB0043011C1E1E2823284E2B2B4EA46E5D6EA4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4FFC0000B0800F0014001012200FFC4001F00000105010101010101000000000000000001020304050607
418 418  
419 -==== 3.2.1.1sysTimeCurrent ====
420 420  
421 -These four bytes contain the year, month, day, hour, minute, and second of the time.
422 422  
423 -AI Sensor use Unix TimeStamp format based on.
424 424  
425 -[[image:1714465658414-905.png||height="85" width="553"]]
426 -
427 -Users can get this time from the link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
428 -
429 -Below is the converter example
430 -
431 -EX: 663095C0=2024-04-30 06:54:57.
432 -
433 -[[image:image-20240430162820-5.png||height="218" width="532"]]
434 -
435 -==== 3.2.1.2 BAT- Battery information ====
436 -
437 -These two bytes of BAT include the battery state and the actual voltage.
438 -
439 -[[image:image-20240430163600-8.png||height="50" width="1141"]]
440 -
441 -**Ex**：0X0BBE= 3006 mv
442 -
443 -==== ====
444 -
445 -==== 3.2.1.3 total_packages ====
446 -
447 -This byte represents the total number of packets for the image fetched this time.
448 -
449 -[[image:image-20240430163626-9.png||height="47" width="1116"]]
450 -
451 -==== ====
452 -
453 -==== 3.2.1.4 subcontracting_count ====
454 -
455 -This byte represents the data number of the image packet retrieved
456 -
457 -[[image:image-20240430163738-10.png||height="44" width="1117"]]
458 -
459 -
460 -==== 3.2.1.5 Image_date ====
461 -
462 -Apart from the eight bytes mentioned above, the next 200 bytes are all image data.
463 -
464 -Example the first packet：663095C00BBE1000FFD8FFE000104A46494600010101004800480000FFDB0043001B12141714111B1716171E1C1B2028422B28252528513A3D3042605565645F555D5B6A7899816A7190735B5D85B586909EA3ABADAB6780BCC9BAA6C799A8ABA4FFDB0043011C1E1E2823284E2B2B4EA46E5D6EA4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4FFC0000B0800F0014001012200FFC4001F00000105010101010101000000000000000001020304050607
465 -
466 -Image_date=FFD8FFE000104A46494600010101004800480000FFDB0043001B12141714111B1716171E1C1B2028422B28252528513A3D3042605565645F555D5B6A7899816A7190735B5D85B586909EA3ABADAB6780BCC9BAA6C799A8ABA4FFDB0043011C1E1E2823284E2B2B4EA46E5D6EA4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4FFC0000B0800F0014001012200FFC4001F00000105010101010101000000000000000001020304050607
467 -
468 -
469 -==== 3.2.1.6 Combined image ====
470 -
471 -Once all the data has been uploaded to the TTN platform, the next step is to combine each packet in a new TXT file in the order it was sent. Remember to strip out the first eight bytes of each packet before combining.
472 -
473 -
474 -
475 -
476 -
477 477  
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