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Changes for page DMT01

Last modified by Dilisi S on 2025/08/16 23:36
From version 48.10
edited by Mengting Qiu
on 2025/08/04 18:12
Change comment: There is no comment for this version
To version 55.2
edited by Mengting Qiu
on 2025/08/05 08:36
Change comment: There is no comment for this version

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... ... @@ -189,21 +189,6 @@
189 189  )))
190 190  
191 191  
192 -== 2.2  How it works? ==
193 -
194 -(((
195 -(((
196 -
197 -)))
198 -
199 -The DMT01 is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the DMT01. It will automatically join the network via OTAA and start to send the sensor value.
200 -
201 -(((
202 -On each uplink, DMT01 will get the temperature from the sensor and send it to the server.
203 -)))
204 -)))
205 -
206 -
207 207  == 2.3 ​Quick guide to connect to LoRaWAN server (OTAA) ==
208 208  
209 209  
... ... @@ -350,8 +350,7 @@
350 350  
351 351  
352 352  
353 -(% class="wikigeneratedid" id="HUnittimestamp" %)
354 -(% style="color:#4472c4" %)**Unit timestamp**
338 +==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
355 355  
356 356  Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
357 357  
... ... @@ -358,81 +358,154 @@
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**
345 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
363 363  
364 -Example：
347 +**Example**：
365 365  
366 -if payload is 0x01: BLE_LoRa
349 +If payload is 0x01: BLE_LoRa
367 367  
368 -if payload is 0x02: LoRa
351 +If payload is 0x02: LoRa
369 369  
370 -if payload is 0x03: BLE
353 +If payload is 0x03: BLE
371 371  
372 372  
373 -(% class="wikigeneratedid" id="HMACaddr" %)
374 -(% style="color:#4472c4" %)**MACaddr**
356 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
375 375  
376 -ex
358 +**Example**:
377 377  
360 +If the payload is C12309250F1A, the MACaddr is C12309250F1A
378 378  
379 -(% class="wikigeneratedid" id="HProbeBat" %)
380 -(% style="color:#4472c4" %)**ProbeBat**
381 381  
363 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
364 +
382 382  **Example:**
383 383  
384 -If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message.It means that the temperature and humidity exceed the alarm value or trigger an interrupt.
367 +If payload is 0x64 = 100%
385 385  
386 -If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm.
387 387  
388 -If payload & 0x80>>7 = 0x01  **~-~->** The PA8 is low level.
370 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
389 389  
390 -If payload & 0x80>>7 =0x00  **~-~->** The PA8 is high level.
372 +**Example:**
391 391  
392 -If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message.
374 +If payload is 0x46 = 70%
393 393  
394 -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.
395 395  
377 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
396 396  
397 -(% class="wikigeneratedid" id="HBoxBat" %)
398 -(% style="color:#4472c4" %)**BoxBat**
379 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
399 399  
400 -Sensor Battery Level.
381 +**Example**:
401 401  
402 -Ex1: 0x0B45 = 2885mV
383 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
403 403  
404 -Ex2: 0x0B49 = 2889mV
385 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
405 405  
406 406  
407 -(% style="color:#4472c4" %)**Food temperature**
388 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
408 408  
390 +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 +
409 409  **Example**:
410 410  
411 -If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
394 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
412 412  
413 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
396 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
414 414  
415 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
416 416  
417 417  
418 -(% style="color:#4472c4" %)**Ambient temperature**
400 +== 2.4 Bluetoothe Broadcast Payload ==
419 419  
402 +=== 2.4.1 How to use the scanning tool ===
403 +
404 +
405 +
406 +
407 +=== 2.4.2 Data Analysis ===
408 +
409 +Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
410 +
411 +Example：
412 +
413 +Note: The following data is obtained through the **nRF Connect tool**.
414 +
415 +[[image:1754305290140-806.jpg||height="680" width="432"]]
416 +
417 +
418 +If the scanned payload is 0x0201060609444D5430310EFF  **01C12309250F1AD100CD006446   **0512E001E001
419 +
420 +(% style="color:red" %)**Note**(%%)：
421 +
422 +* The first 12 bytes in the payload are the Bluetooth packet header data and do not need to be decoded.
423 +* The last 6 bytes in the payload are the Bluetooth packet trailer data and do not need to be decoded.
424 +
425 +So the payload is：**01C12309250F1AD100CD006446**
426 +
427 +
428 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame header**(%%) ====
429 +
430 +Example: 0x0201060609444D5430310EFF
431 +
432 +
433 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
434 +
435 +**Example**：
436 +
437 +If payload is 0x01: BLE_LoRa
438 +
439 +If payload is 0x02: LoRa
440 +
441 +If payload is 0x03: BLE
442 +
443 +
444 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
445 +
420 420  **Example**:
421 421  
422 -If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
448 +If the payload is C12309250F1A, the MACaddr is C12309250F1A
423 423  
424 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
425 425  
426 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
451 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
427 427  
453 +**Example:**
428 428  
455 +If payload is 0x64 = 100%
429 429  
430 -== 2.4 Bluetoothe Broadcast Payload ==
431 431  
458 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
432 432  
460 +**Example:**
433 433  
462 +If payload is 0x46 = 70%
434 434  
435 435  
465 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
466 +
467 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
468 +
469 +**Example**:
470 +
471 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
472 +
473 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
474 +
475 +
476 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
477 +
478 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
479 +
480 +**Example**:
481 +
482 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
483 +
484 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
485 +
486 +
487 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame tail**(%%) ====
488 +
489 +Example: 0x0512E001E001
490 +
491 +
492 +
436 436  = 3. Configure DMT01  ~-~- 需要修改 =
437 437  
438 438  == 3.1 Configure Methods ==
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