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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 85.3
edited by Xiaoling
on 2023/09/12 08:59
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To version 84.14
edited by Xiaoling
on 2023/09/11 15:26
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Title
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1 -DDS45-NB -- NB-IoT Distance Detection Sensor User Manual
1 +DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230912085600-1.png||height="519" width="731"]]
2 +[[image:image-20230911134259-1.png||height="570" width="570"]]
3 3  
4 4  
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 12  **Table of Contents:**
13 13  
14 14  {{toc/}}
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20 20  
21 21  = 1. Introduction =
22 22  
23 -== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
16 +== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
24 24  
25 25  
26 26  The Dragino DDS20-NB is a (% style="color:blue" %)**NB-IoT Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send IoT platform via NB-IoT network.
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58 58  * 8500mAh Battery for long term use
59 59  * Nano SIM card slot for NB-IoT SIM
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
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104 104  * STOP Mode: 10uA @ 3.3v
105 105  * Max transmit power: 350mA@3.3v
106 106  
107 -
108 108  == 1.4 Suitable Container & Liquid ==
109 109  
110 110  
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115 115  ** Pure non metal material: <10 mm
116 116  * Pure liquid without irregular deposition.
117 117  
118 -
119 119  (% style="display:none" %)
120 120  
121 121  == 1.5 Install DDS20-NB ==
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202 202  Reset DDS20-NB and see if the BLUE LED is slowly blinking.
203 203  )))
204 204  
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"]]
195 +[[image:image-20230809172509-1.png]]
206 206  
207 207  (((
208 208  (% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
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222 222  
223 223  * Smart liquefied gas solution
224 224  
225 -
226 226  == 1.7 Precautions ==
227 227  
228 228  
... ... @@ -263,7 +263,6 @@
263 263  )))
264 264  |(% 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.
265 265  
266 -
267 267  == 1.10 BLE connection ==
268 268  
269 269  
... ... @@ -411,7 +411,6 @@
411 411  
412 412  * 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.
413 413  
414 -
415 415  === 2.2.2 HEX format Payload(Type~=0) ===
416 416  
417 417  
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480 480  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
481 481  
482 482  
483 -== 2.3  ​Uplink Payload ==
470 +== 2.3 Test Uplink and Change Update Interval ==
484 484  
485 485  
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 -
574 574  By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8
575 575  
576 576  User can use below commands to change the (% style="color:blue" %)**uplink interval**.
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580 580  User can also push the button for more than 1 seconds to activate an uplink.
581 581  
582 582  
583 -== 2.5 Multi-Samplings and One uplink ==
482 +== 2.4 Multi-Samplings and One uplink ==
584 584  
585 585  
586 586  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:
... ... @@ -594,7 +594,7 @@
594 594  [[image:1692424376354-959.png]]
595 595  
596 596  
597 -== 2.6 Trggier an uplink by external interrupt ==
496 +== 2.5 Trggier an uplink by external interrupt ==
598 598  
599 599  
600 600  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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611 611  
612 612  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
613 613  
614 -
615 615  = 3. Configure DDS20-NB =
616 616  
617 617  == 3.1 Configure Methods ==
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623 623  
624 624  * 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]].
625 625  
626 -
627 627  == 3.2 AT Commands Set ==
628 628  
629 629  
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721 721  
722 722  * Fix bugs.
723 723  
724 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
621 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
725 725  
726 726  Methods to Update Firmware:
727 727  
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729 729  
730 730  * 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]]**.
731 731  
732 -
733 733  = 6. FAQ =
734 734  
735 735  == 6.1 How can I access t BC660K-GL AT Commands? ==
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740 740  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
741 741  
742 742  
743 -= 7.  Trouble Shooting =
639 += 7. Order Info =
744 744  
745 -== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
746 746  
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 -
759 759  Part Number: (% style="color:blue" %)**DDS20-NB-XX**
760 760  
761 761  (% style="color:red" %)**XX**(%%):
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767 767  (% 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
768 768  
769 769  
770 -= 9. ​Packing Info =
653 += 8. ​Packing Info =
771 771  
772 772  
773 773  (% style="color:#037691" %)**Package Includes**:
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786 786  
787 787  * Weight / pcs : 180g
788 788  
672 += 9. Support =
789 789  
790 -= 10. Support =
791 791  
792 -
793 793  * 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.
794 794  
795 795  * 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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