Skip to Content

Changes for page DMT01

Last modified by Xiaoling on 2025/08/15 17:26
From version 52.4
edited by Mengting Qiu
on 2025/08/04 19:02
Change comment: There is no comment for this version
To version 48.7
edited by Mengting Qiu
on 2025/08/04 18:08
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -349,8 +349,10 @@
349 349  [[image:1754300947187-648.png||height="641" width="1351"]]
350 350  
351 351  
352 +01C12309250F1A6446D300D200D300D200D300D200D300D200D300D200D300D200D300D200D300D200D300D200D300D200
352 352  
353 -==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
354 +(% class="wikigeneratedid" id="HUnittimestamp" %)
355 +(% style="color:#4472c4" %)**Unit timestamp**
354 354  
355 355  Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
356 356  
... ... @@ -357,74 +357,69 @@
357 357  Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
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 +(% class="wikigeneratedid" id="HBoxBat" %)
392 +(% style="color:#4472c4" %)**BoxBat**
395 395  
396 -**Example**:
394 +Sensor Battery Level.
397 397  
398 -If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
396 +Ex1: 0x0B45 = 2885mV
399 399  
400 -If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
398 +Ex2: 0x0B49 = 2889mV
401 401  
402 402  
403 -==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
401 +(% style="color:#4472c4" %)**Food 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.
406 -
407 407  **Example**:
408 408  
409 -If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
405 +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.
407 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
412 412  
409 +(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 ==
412 +(% style="color:#4472c4" %)**Ambient temperature**
416 416  
417 -=== 2.4.1 Scanning Tools ===
414 +**Example**:
418 418  
419 -Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
416 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
420 420  
421 -Example：
418 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
422 422  
423 -Note: The following data is obtained through the **nRF Connect tool**.
420 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
424 424  
425 -[[image:1754305290140-806.jpg||height="680" width="432"]]
426 426  
427 427  
424 +== 2.4 Bluetoothe Broadcast Payload ==
428 428  
429 429  
430 430  
1754305091443-355.jpg
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.ting
Size
... ... @@ -1,1 +1,0 @@
1 -408.8 KB
Content
1754305290140-806.jpg
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.ting
Size
... ... @@ -1,1 +1,0 @@
1 -133.1 KB
Content