Changes for page DMT01

Last modified by Mengting Qiu on 2025/08/11 18:25

From version 49.2
edited by Mengting Qiu
on 2025/08/04 18:25
Change comment: There is no comment for this version
To version 55.1
edited by Mengting Qiu
on 2025/08/04 19:56
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -350,8 +350,7 @@
350 350  
351 351  
352 352  
353 -(% class="wikigeneratedid" id="HUnittimestamp" %)
354 -(% style="color:#4472c4" %)**Unit timestamp**
353 +==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
355 355  
356 356  Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
357 357  
... ... @@ -358,8 +358,7 @@
358 358  Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
359 359  
360 360  
361 -(% class="wikigeneratedid" id="HDevMode" %)
362 -(% style="color:#4472c4" %)**DevMode**
360 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
363 363  
364 364  **Example**:
365 365  
... ... @@ -370,8 +370,7 @@
370 370  If payload is 0x03: BLE
371 371  
372 372  
373 -(% class="wikigeneratedid" id="HMACaddr" %)
374 -(% style="color:#4472c4" %)**MACaddr**
371 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
375 375  
376 376  **Example**:
377 377  
... ... @@ -378,8 +378,7 @@
378 378  If the payload is C12309250F1A, the MACaddr is C12309250F1A
379 379  
380 380  
381 -(% class="wikigeneratedid" id="HProbeBat" %)
382 -(% style="color:#4472c4" %)**ProbeBat**
378 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
383 383  
384 384  **Example:**
385 385  
... ... @@ -386,8 +386,7 @@
386 386  If payload is 0x64 = 100%
387 387  
388 388  
389 -(% class="wikigeneratedid" id="HBoxBat" %)
390 -(% style="color:#4472c4" %)**BoxBat**
385 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
391 391  
392 392  **Example:**
393 393  
... ... @@ -394,35 +394,122 @@
394 394  If payload is 0x46 = 70%
395 395  
396 396  
397 -(% style="color:#4472c4" %)**Food temperature**
392 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
398 398  
394 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
395 +
399 399  **Example**:
400 400  
401 -If payload is: 0105H (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
398 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
402 402  
403 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
400 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
404 404  
405 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
406 406  
403 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
407 407  
408 -(% style="color:#4472c4" %)**Ambient temperature**
405 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
409 409  
410 410  **Example**:
411 411  
412 -If payload is: 0105H (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
409 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
413 413  
414 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
411 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
415 415  
416 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
417 417  
418 418  
419 -
420 420  == 2.4 Bluetoothe Broadcast Payload ==
421 421  
417 +=== 2.4.1 How to use the scanning tool ===
422 422  
423 423  
424 424  
425 425  
422 +=== 2.4.2 Data Analysis ===
423 +
424 +Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
425 +
426 +Example:
427 +
428 +Note: The following data is obtained through the **nRF Connect tool**.
429 +
430 +[[image:1754305290140-806.jpg||height="680" width="432"]]
431 +
432 +
433 +If the scanned payload is 0x0201060609444D5430310EFF  **01C12309250F1AD100CD006446   **0512E001E001
434 +
435 +(% style="color:red" %)**Note**(%%):
436 +
437 +* The first 12 bytes in the payload are the Bluetooth packet header data and do not need to be decoded.
438 +* The last 6 bytes in the payload are the Bluetooth packet trailer data and do not need to be decoded.
439 +
440 +So the payload is:**01C12309250F1AD100CD006446**
441 +
442 +
443 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame header**(%%) ====
444 +
445 +Example: 0x0201060609444D5430310EFF
446 +
447 +
448 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
449 +
450 +**Example**:
451 +
452 +If payload is 0x01: BLE_LoRa
453 +
454 +If payload is 0x02: LoRa
455 +
456 +If payload is 0x03: BLE
457 +
458 +
459 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
460 +
461 +**Example**:
462 +
463 +If the payload is C12309250F1A, the MACaddr is C12309250F1A
464 +
465 +
466 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
467 +
468 +**Example:**
469 +
470 +If payload is 0x64 = 100%
471 +
472 +
473 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
474 +
475 +**Example:**
476 +
477 +If payload is 0x46 = 70%
478 +
479 +
480 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
481 +
482 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
483 +
484 +**Example**:
485 +
486 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
487 +
488 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
489 +
490 +
491 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
492 +
493 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
494 +
495 +**Example**:
496 +
497 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
498 +
499 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
500 +
501 +
502 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame tail**(%%) ====
503 +
504 +Example: 0x0512E001E001
505 +
506 +
507 +
426 426  = 3. Configure DMT01  ~-~- 需要修改 =
427 427  
428 428  == 3.1 Configure Methods ==
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