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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 95.1
edited by Mengting Qiu
on 2023/09/21 15:54
Change comment: There is no comment for this version
To version 89.1
edited by Mengting Qiu
on 2023/09/20 17:50
Change comment: Uploaded new attachment "image-20230920175015-3.png", version {1}

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... ... @@ -311,17 +311,14 @@
311 311  
312 312  This is the General Json Format. As below:
313 313  
314 -(% style="color:#4472c4" %)**{"IMEI":"866207058378443","Model":"DDS45-NB","distance":217,"battery":3.54,"signal":24,"1":{221,2023/09/20 09:47:01},"2":{0,2023/09/20 09:15:04},"3":{0,2023/09/20 09:00:04},"4":{0,2023/09/20 08:45:03},"5":{0,2023/09/20 08:30:03},"6":{0,2023/09/20 08:15:03},"7":{0,2023/09/20 08:00:04},"8":{0,2023/09/20 07:45:04}}**
314 +(% style="color:#4472c4" %)**{"IMEI":866207053462762,"temperature":29.2,"humidity":54.2,"battery":3.27,"signal":24,"Model":DDS45-NB, "1":{28.2,48.3,2023/08/10 08:00:37},"2":{28.1,49.1,2023/08/10 07:57:37},"3":{28.1,48.5,2023/08/10 07:54:37},"4":{28.2,48.6,2023/08/10 07:51:37},"5":{28.1,48.9,2023/08/10 07:48:37},"6":{28.2,48.8,2023/08/10 07:45:37},"7":{28.2,48.8,2023/08/10 07:42:37},"8":{28.0,48.8,2023/08/10 07:39:37}}**
315 315  
316 316  
317 -[[image:image-20230920175015-3.png||height="613" width="890"]]
318 -
319 -
320 320  (% style="color:red" %)**Notice, from above payload:**
321 321  
322 -* Distance , Battery & Signal are the value at uplink time.
319 +* Temperature , Humidity , Battery & Signal are the value at uplink time.
323 323  
324 -* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Distance, Sampling time.
321 +* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Temperature, Humidity, Sampling time.
325 325  
326 326  === 2.2.2 HEX format Payload(Type~=0) ===
327 327  
... ... @@ -330,12 +330,12 @@
330 330  
331 331  (% style="color:#4472c4" %)**f8662070583784430b640dda15010003a4650abc400000650ab8180000650ab4940000650ab10f0000650aad8b0000650aaa070000650aa6840000650aa3000000650a9308**
332 332  
333 -[[image:image-20230920172200-1.png||height="191" width="1047"]]
330 +[[image:image-20230920172200-1.png||height="198" width="1085"]]
334 334  
335 335  
336 336  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NB sensor uplink data.
337 337  
338 -[[image:image-20230920173352-2.png||height="636" width="919"]]
335 +[[image:image-20230920173352-2.png||height="700" width="1012"]]
339 339  
340 340  
341 341  (% style="color:blue" %)**Version:**
... ... @@ -392,17 +392,15 @@
392 392  === 2.2.4 ThingSpeak Payload(Type~=1) ===
393 393  
394 394  
395 -This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~3 are:
392 +This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:
396 396  
397 -Distance, Battery & Signal. This payload type only valid for ThingsSpeak Platform
394 +Temperature, Humidity, Battery & Signal. This payload type only valid for ThingsSpeak Platform
398 398  
399 399  As below:
400 400  
401 -(% style="color:#4472c4" %)**field1=Distance value&field2=Battery value&field3=Singal value**
398 +(% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
402 402  
403 -[[image:image-20230921104741-1.png||height="565" width="826"]]
404 404  
405 -
406 406  == 2.3  ​Uplink Payload ==
407 407  
408 408  
... ... @@ -411,29 +411,21 @@
411 411  )))
412 412  
413 413  (((
414 -Uplink payload includes in total 21 bytes.
409 +Uplink payload includes in total 8 bytes.
415 415  )))
416 416  
417 417  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
418 -|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)8|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 49px;" %)1|=(% style="background-color: rgb(79, 129, 189); color: white; width: 79px;" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)4
419 -|(% style="width:95px" %)Value|(% style="width:61px" %)f+IMEI|(% style="width:61px" %)Ver|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:61px" %)(((
420 -Singal
413 +|=(% style="width: 95px; background-color:#4F81BD;color:white" %)Size(bytes)|=(% style="width: 61px; background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1|=(% style="background-color:#4F81BD;color:white" %)2|=(% style="background-color:#4F81BD;color:white" %)1
414 +|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
415 +[[Distance>>||anchor="H2.3.2A0Distance"]]
416 +(unit: mm)
417 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
418 +[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
419 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
421 421  
422 -Strength
423 -)))|(% style="width:49px" %)Mod|(% style="width:79px" %)[[Digital Interrupt >>||anchor="H2.3.2A0Interrupt"]]|(% style="width:61px" %)[[Distance>>||anchor="H2.3.3A0Distance"]](unit: mm)|(% style="width:61px" %)(((
424 -Timestamp
421 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230702135733.png?width=964&height=215&rev=1.1||alt="微信截图_20230702135733.png"]]
425 425  
426 -
427 -)))
428 428  
429 -If the cache upload mechanism is turned on, you will receive the payload shown in the figure below.
430 -
431 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:512px" %)
432 -|(% style="width:115px" %)**Frame header**|(% style="width:118px" %)**Frame data(1)**|(% style="width:116px" %)**Frame data(2)**|(% style="width:39px" %)**F…**|(% style="width:117px" %)**Frame data(X)**
433 -
434 -(% class="wikigeneratedid" %)
435 -=== ===
436 -
437 437  === 2.3.1  Battery Info ===
438 438  
439 439  
... ... @@ -444,9 +444,26 @@
444 444  Ex2: 0x0B49 = 2889mV
445 445  
446 446  
447 -=== 2.3.2  Interrupt ===
434 +=== 2.3.2  Distance ===
448 448  
449 449  
437 +(((
438 +Get the distance. Flat object range 30mm - 4500mm.
439 +)))
440 +
441 +(((
442 +For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
443 +
444 +(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
445 +)))
446 +
447 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
448 +
449 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
450 +
451 +=== 2.3.3  Interrupt Pin ===
452 +
453 +
450 450  This data field shows if this packet is generated by interrupt or not.
451 451  
452 452  **Example:**
... ... @@ -456,24 +456,28 @@
456 456  0x01: Interrupt Uplink Packet.
457 457  
458 458  
459 -=== 2.3.3  Distance ===
463 +=== 2.3.4  DS18B20 Temperature sensor ===
460 460  
461 461  
462 -(((
463 -Get the distance. Flat object range 30mm - 4500mm.
464 -)))
466 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
465 465  
466 -(((
467 -For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
468 +**Example**:
468 468  
469 -(% style="color:blue" %)**0B05(H) = 2821 (D) = 2821 mm.**
470 -)))
470 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
471 471  
472 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
472 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
473 473  
474 -* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
475 475  
475 +=== 2.3.5  Sensor Flag ===
476 +
477 +
476 476  (((
479 +0x01: Detect Ultrasonic Sensor
480 +)))
481 +
482 +(((
483 +0x00: No Ultrasonic Sensor
484 +
477 477  
478 478  )))
479 479  
... ... @@ -492,7 +492,7 @@
492 492  == 2.5 Multi-Samplings and One uplink ==
493 493  
494 494  
495 -To save battery life, DDS45-NB will sample Distance data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
503 +To save battery life, DDS45-NB will sample temperature & humidity data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:
496 496  
497 497  * (% style="color:#037691" %)**AT+TR=900**   (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)
498 498  
image-20230921104741-1.png
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