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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 121.1
edited by Karry Zhuang
on 2024/04/30 16:25
Change comment: Uploaded new attachment "1714465532892-179.png", version {1}
To version 130.4
edited by Karry Zhuang
on 2024/04/30 16:44
Change comment: There is no comment for this version

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410 410  
411 411  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:370px" %)
412 412  |=(% style="width: 60px;background-color:#4F81BD;color:white" %)**Size(bytes)(% style="display:none" %) (%%)**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)4|=(% style="width: 80px;background-color:#4F81BD;color:white" %)2|=(% style="width: 80px;background-color:#4F81BD;color:white" %)1|=(% style="width: 60px;background-color:#4F81BD;color:white" %)1|=(% style="width: 80px;background-color:#4F81BD;color:white" %)200
413 -|(% style="width:99px" %)Value|(% style="width:62px" %)sysTimeCurrent|BAT|total_packages|subcontracting_count|Date
413 +|(% style="width:99px" %)Value|(% style="width:62px" %)sysTimeCurrent|BAT|total_packages|subcontracting_count|Image_date
414 414  
415 +[[image:1714465532892-179.png||height="250" width="586"]]
415 415  
417 +Example of the first payload（FPort=3）：663095C00BBE1000FFD8FFE000104A46494600010101004800480000FFDB0043001B12141714111B1716171E1C1B2028422B28252528513A3D3042605565645F555D5B6A7899816A7190735B5D85B586909EA3ABADAB6780BCC9BAA6C799A8ABA4FFDB0043011C1E1E2823284E2B2B4EA46E5D6EA4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4FFC0000B0800F0014001012200FFC4001F00000105010101010101000000000000000001020304050607
416 416  
419 +==== 3.2.1.1sysTimeCurrent ====
417 417  
421 +These four bytes contain the year, month, day, hour, minute, and second of the time.
418 418  
423 +AI Sensor use Unix TimeStamp format based on.
419 419  
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 +
420 420  
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