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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 84.12
edited by Xiaoling
on 2023/09/11 15:17
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To version 85.2
edited by Xiaoling
on 2023/09/12 08:56
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Title
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1 -DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual
1 +DDS45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230911134259-1.png||height="570" width="570"]]
2 +[[image:image-20230912085600-1.png||height="519" width="731"]]
3 3  
4 4  
5 +
6 +
7 +
8 +
9 +
10 +
11 +
5 5  **Table of Contents:**
6 6  
7 7  {{toc/}}
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51 51  * 8500mAh Battery for long term use
52 52  * Nano SIM card slot for NB-IoT SIM
53 53  
61 +
54 54  == 1.3 Specification ==
55 55  
56 56  
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96 96  * STOP Mode: 10uA @ 3.3v
97 97  * Max transmit power: 350mA@3.3v
98 98  
107 +
99 99  == 1.4 Suitable Container & Liquid ==
100 100  
101 101  
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106 106  ** Pure non metal material: <10 mm
107 107  * Pure liquid without irregular deposition.
108 108  
118 +
109 109  (% style="display:none" %)
110 110  
111 111  == 1.5 Install DDS20-NB ==
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192 192  Reset DDS20-NB and see if the BLUE LED is slowly blinking.
193 193  )))
194 194  
195 -[[image:image-20230809172509-1.png]]
205 +[[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/image-20230809172509-1.png?rev=1.1||alt="image-20230809172509-1.png"]]
196 196  
197 197  (((
198 198  (% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
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212 212  
213 213  * Smart liquefied gas solution
214 214  
225 +
215 215  == 1.7 Precautions ==
216 216  
217 217  
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252 252  )))
253 253  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
254 254  
266 +
255 255  == 1.10 BLE connection ==
256 256  
257 257  
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295 295  (% style="display:none" %)
296 296  
297 297  
298 -= 2. Use S31-NB to communicate with IoT Server =
310 +== 1.12 Mechanical ==
299 299  
312 +
313 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]]
314 +
315 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]]
316 +
317 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]]
318 +
319 +
320 +(% style="color:blue" %)**Probe Mechanical:**
321 +
322 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
323 +
324 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
325 +
326 +
327 += 2. Use DDS20-NB to communicate with IoT Server =
328 +
300 300  == 2.1 Send data to IoT server via NB-IoT network ==
301 301  
302 302  
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382 382  
383 383  * 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.
384 384  
414 +
385 385  === 2.2.2 HEX format Payload(Type~=0) ===
386 386  
387 387  
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450 450  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
451 451  
452 452  
453 -== 2.3 Test Uplink and Change Update Interval ==
483 +== 2.3  ​Uplink Payload ==
454 454  
455 455  
486 +(((
487 +DDS20-NB will uplink payload via LoRaWAN with below payload format: 
488 +)))
489 +
490 +(((
491 +Uplink payload includes in total 8 bytes.
492 +)))
493 +
494 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
495 +|=(% 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
496 +|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
497 +[[Distance>>||anchor="H2.3.2A0Distance"]]
498 +(unit: mm)
499 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
500 +[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
501 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
502 +
503 +[[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"]]
504 +
505 +
506 +=== 2.3.1  Battery Info ===
507 +
508 +
509 +Check the battery voltage for DDS20-NB.
510 +
511 +Ex1: 0x0B45 = 2885mV
512 +
513 +Ex2: 0x0B49 = 2889mV
514 +
515 +
516 +=== 2.3.2  Distance ===
517 +
518 +
519 +(((
520 +Get the distance. Flat object range 20mm - 2000mm.
521 +)))
522 +
523 +(((
524 +For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
525 +
526 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
527 +)))
528 +
529 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
530 +
531 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
532 +
533 +
534 +=== 2.3.3  Interrupt Pin ===
535 +
536 +
537 +This data field shows if this packet is generated by interrupt or not.
538 +
539 +**Example:**
540 +
541 +0x00: Normal uplink packet.
542 +
543 +0x01: Interrupt Uplink Packet.
544 +
545 +
546 +=== 2.3.4  DS18B20 Temperature sensor ===
547 +
548 +
549 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
550 +
551 +**Example**:
552 +
553 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
554 +
555 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
556 +
557 +
558 +=== 2.3.5  Sensor Flag ===
559 +
560 +
561 +(((
562 +0x01: Detect Ultrasonic Sensor
563 +)))
564 +
565 +(((
566 +0x00: No Ultrasonic Sensor
567 +
568 +
569 +)))
570 +
571 +== 2.4 Test Uplink and Change Update Interval ==
572 +
573 +
456 456  By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8
457 457  
458 458  User can use below commands to change the (% style="color:blue" %)**uplink interval**.
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462 462  User can also push the button for more than 1 seconds to activate an uplink.
463 463  
464 464  
465 -== 2.4 Multi-Samplings and One uplink ==
583 +== 2.5 Multi-Samplings and One uplink ==
466 466  
467 467  
468 468  To save battery life, DDS20-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:
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476 476  [[image:1692424376354-959.png]]
477 477  
478 478  
479 -== 2.5 Trggier an uplink by external interrupt ==
597 +== 2.6 Trggier an uplink by external interrupt ==
480 480  
481 481  
482 482  DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
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493 493  
494 494  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
495 495  
614 +
496 496  = 3. Configure DDS20-NB =
497 497  
498 498  == 3.1 Configure Methods ==
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504 504  
505 505  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
506 506  
626 +
507 507  == 3.2 AT Commands Set ==
508 508  
509 509  
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601 601  
602 602  * Fix bugs.
603 603  
604 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
724 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
605 605  
606 606  Methods to Update Firmware:
607 607  
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609 609  
610 610  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
611 611  
732 +
612 612  = 6. FAQ =
613 613  
614 614  == 6.1 How can I access t BC660K-GL AT Commands? ==
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619 619  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
620 620  
621 621  
622 -= 7. Order Info =
743 += 7.  Trouble Shooting =
623 623  
745 +== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
624 624  
747 +
748 +(((
749 +DDS20-NB has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-NB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
750 +
751 +If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify.
752 +
753 +
754 +)))
755 +
756 += 8. Order Info =
757 +
758 +
625 625  Part Number: (% style="color:blue" %)**DDS20-NB-XX**
626 626  
627 627  (% style="color:red" %)**XX**(%%):
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633 633  (% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands
634 634  
635 635  
636 -= 8. ​Packing Info =
770 += 9. ​Packing Info =
637 637  
638 638  
639 639  (% style="color:#037691" %)**Package Includes**:
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652 652  
653 653  * Weight / pcs : 180g
654 654  
655 -= 9. Support =
656 656  
790 += 10. Support =
657 657  
792 +
658 658  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
659 659  
660 660  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]].
image-20230912085600-1.png
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