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Changes for page DMT01

Last modified by Xiaoling on 2025/08/15 17:26
From version 52.1
edited by Mengting Qiu
on 2025/08/04 19:01
Change comment: Uploaded new attachment "1754305290140-806.jpg", version {1}
To version 47.18
edited by Mengting Qiu
on 2025/08/04 17:54
Change comment: There is no comment for this version

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337 337  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
338 338  |=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
339 339  **Size(bytes)**
340 -)))|=(% style="width: 40px;background-color:#4F81BD;color:white" %)4|=(% style="width: 90px;background-color:#4F81BD;color:white" %)1|=(% style="width: 150px; background-color: #4F81BD;color:white" %)6|=(% style="width: 80px; background-color: #4F81BD;color:white" %)1|=(% style="width: 80px; background-color: #4F81BD;color:white" %)1|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2
340 +)))|=(% style="width: 40px;background-color:#4F81BD;color:white" %)1|=(% style="width: 90px;background-color:#4F81BD;color:white" %)1|=(% style="width: 150px; background-color: #4F81BD;color:white" %)6|=(% style="width: 80px; background-color: #4F81BD;color:white" %)1|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)4
341 341  |(% style="width:99px" %)Value|(% style="width:69px" %)(((
342 -Timestamp
342 +BoxBat
343 343  
344 344  
345 345  )))|(% style="width:130px" %)DevMode|(% style="width:194px" %)MACaddr|(% style="width:106px" %)ProbeBat|(% style="width:97px" %)(((
346 -BoxBat
347 -)))|(% style="width:97px" %)Food temperature|(% style="width:97px" %)Ambient temperature
346 +Food temperature
347 +)))|(% style="width:97px" %)Ambient temperature|(% style="width:97px" %)Timestamp
348 348  
349 349  [[image:1754300947187-648.png||height="641" width="1351"]]
350 350  
351 351  
352 +(% class="wikigeneratedid" id="HBoxBat" %)
353 +(% style="color:#4472c4" %)**BoxBat**
352 352  
353 -==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
355 +Sensor Battery Level.
354 354  
355 -Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
357 +Ex1: 0x0B45 = 2885mV
356 356  
357 -Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
359 +Ex2: 0x0B49 = 2889mV
358 358  
359 359  
360 -==== (% style="color:#4472c4" %)**DevMode**(%%) ====
362 +(% class="wikigeneratedid" id="HDevMode" %)
363 +(% style="color:#4472c4" %)**DevMode**
361 361  
362 -**Example**：
363 363  
364 -If payload is 0x01: BLE_LoRa
365 365  
366 -If payload is 0x02: LoRa
367 +(% class="wikigeneratedid" id="HMACaddr" %)
368 +(% style="color:#4472c4" %)**MACaddr**
367 367  
368 -If payload is 0x03: BLE
370 +Read:0x(0197)=412    Value:  407 / 10=40.7, So 40.7%
369 369  
370 370  
371 -==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
373 +(% class="wikigeneratedid" id="HProbeBat" %)
374 +(% style="color:#4472c4" %)**ProbeBat**
372 372  
373 -**Example**:
374 -
375 -If the payload is C12309250F1A, the MACaddr is C12309250F1A
376 -
377 -
378 -==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
379 -
380 380  **Example:**
381 381  
382 -If payload is 0x64 = 100%
378 +If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message.It means that the temperature and humidity exceed the alarm value or trigger an interrupt.
383 383  
380 +If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm.
384 384  
385 -==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
382 +If payload & 0x80>>7 = 0x01  **~-~->** The PA8 is low level.
386 386  
387 -**Example:**
384 +If payload & 0x80>>7 =0x00  **~-~->** The PA8 is high level.
388 388  
389 -If payload is 0x46 = 70%
386 +If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message.
390 390  
388 +If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail.
391 391  
392 -==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
393 393  
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.
391 +(% style="color:#4472c4" %)**Food temperature**
395 395  
396 396  **Example**:
397 397  
398 -If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
395 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
399 399  
400 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
397 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
401 401  
399 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
402 402  
403 -==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
404 404  
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.
402 +(% style="color:#4472c4" %)**Ambient temperature**
406 406  
407 407  **Example**:
408 408  
409 -If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
406 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
410 410  
411 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
408 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
412 412  
410 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
413 413  
414 414  
415 -== 2.4 Bluetoothe Broadcast Payload ==
413 +(% class="wikigeneratedid" id="HUnittimestamp" %)
414 +(% style="color:#4472c4" %)**Unit timestamp**
416 416  
417 -=== 2.4.1 Scanning Tools ===
416 +Unit TimeStamp Example: 67CF92A7(H) = 1741656743(D)
418 418  
419 -Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
418 +Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
420 420  
421 -Example：
422 422  
423 -Note: The following data is obtained through the **nRF Connect tool**.
424 424  
422 +== 2.4 Bluetoothe Broadcast Payload ==
425 425  
426 426  
427 427  
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