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Last modified by Mengting Qiu on 2024/09/05 17:35
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edited by Xiaoling
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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/}}
... ... @@ -13,27 +13,24 @@
13 13  
14 14  = 1. Introduction =
15 15  
16 -== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
23 +== 1.1 What is DDS45-NB NB-IoT Distance Detection Sensor ==
17 17  
18 18  
19 -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.
26 +The Dragino DDS45-NB is a (% style="color:blue" %)** NB-IoT Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for distance measurement, and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-NB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
20 20  
21 -The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 
28 +It detects the distance (% style="color:blue" %)** between the measured object and the sensor**(%%), and and send IoT platform via NB-IoT network.
22 22  
23 -DDS20-NB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**, **strong acids**, **strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
30 +DDS45-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
24 24  
25 -DDS20-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
32 +DDS45-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
26 26  
27 -DDS20-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
34 +DDS45-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
28 28  
29 -DDS20-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
36 +DDS45-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
30 30  
31 -DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
38 +[[image:image-20230912102813-2.png||height="320" width="923"]]
32 32  
33 33  
34 -[[image:image-20230911140426-2.png||height="320" width="951"]]
35 -
36 -
37 37  == 1.2 ​Features ==
38 38  
39 39  
... ... @@ -192,7 +192,7 @@
192 192  Reset DDS20-NB and see if the BLUE LED is slowly blinking.
193 193  )))
194 194  
195 -[[image:image-20230809172509-1.png]]
199 +[[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" %)** **
... ... @@ -295,6 +295,23 @@
295 295  (% style="display:none" %)
296 296  
297 297  
302 +== 1.12 Mechanical ==
303 +
304 +
305 +[[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"]]
306 +
307 +[[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"]]
308 +
309 +[[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"]]
310 +
311 +
312 +(% style="color:blue" %)**Probe Mechanical:**
313 +
314 +[[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"]]
315 +
316 +[[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"]]
317 +
318 +
298 298  = 2. Use DDS20-NB to communicate with IoT Server =
299 299  
300 300  == 2.1 Send data to IoT server via NB-IoT network ==
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305 305  
306 306  Below shows the network structure:
307 307  
308 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230911140426-2.png?width=951&height=320&rev=1.1||alt="image-20230911140426-2.png"]]
329 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS45-NB_NB-IoT_Distance_Detection_Sensor_User_Manual/WebHome/image-20230912102813-2.png?width=923&height=320&rev=1.1||alt="image-20230912102813-2.png"]]
309 309  
310 310  
311 -There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS20-NB.
332 +There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of DDS45-NB.
312 312  
313 313  
314 314  (% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set DDS20-NB send data to IoT server.
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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 ==
474 +== 2.3  ​Uplink Payload ==
454 454  
455 455  
477 +(((
478 +DDS20-NB will uplink payload via LoRaWAN with below payload format: 
479 +)))
480 +
481 +(((
482 +Uplink payload includes in total 8 bytes.
483 +)))
484 +
485 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
486 +|=(% 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
487 +|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
488 +[[Distance>>||anchor="H2.3.2A0Distance"]]
489 +(unit: mm)
490 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
491 +[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
492 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
493 +
494 +[[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"]]
495 +
496 +
497 +=== 2.3.1  Battery Info ===
498 +
499 +
500 +Check the battery voltage for DDS20-NB.
501 +
502 +Ex1: 0x0B45 = 2885mV
503 +
504 +Ex2: 0x0B49 = 2889mV
505 +
506 +
507 +=== 2.3.2  Distance ===
508 +
509 +
510 +(((
511 +Get the distance. Flat object range 20mm - 2000mm.
512 +)))
513 +
514 +(((
515 +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" %)** **
516 +
517 +(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
518 +)))
519 +
520 +* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
521 +
522 +* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
523 +
524 +=== 2.3.3  Interrupt Pin ===
525 +
526 +
527 +This data field shows if this packet is generated by interrupt or not.
528 +
529 +**Example:**
530 +
531 +0x00: Normal uplink packet.
532 +
533 +0x01: Interrupt Uplink Packet.
534 +
535 +
536 +=== 2.3.4  DS18B20 Temperature sensor ===
537 +
538 +
539 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
540 +
541 +**Example**:
542 +
543 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
544 +
545 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
546 +
547 +
548 +=== 2.3.5  Sensor Flag ===
549 +
550 +
551 +(((
552 +0x01: Detect Ultrasonic Sensor
553 +)))
554 +
555 +(((
556 +0x00: No Ultrasonic Sensor
557 +
558 +
559 +)))
560 +
561 +== 2.4 Test Uplink and Change Update Interval ==
562 +
563 +
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**.
... ... @@ -462,7 +462,7 @@
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 ==
573 +== 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:
... ... @@ -476,7 +476,7 @@
476 476  [[image:1692424376354-959.png]]
477 477  
478 478  
479 -== 2.5 Trggier an uplink by external interrupt ==
587 +== 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.
... ... @@ -601,7 +601,7 @@
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]]**
712 +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  
... ... @@ -619,9 +619,22 @@
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 =
730 += 7.  Trouble Shooting =
623 623  
732 +== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
624 624  
734 +
735 +(((
736 +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.
737 +
738 +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.
739 +
740 +
741 +)))
742 +
743 += 8. Order Info =
744 +
745 +
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 =
757 += 9. ​Packing Info =
637 637  
638 638  
639 639  (% style="color:#037691" %)**Package Includes**:
... ... @@ -652,7 +652,7 @@
652 652  
653 653  * Weight / pcs : 180g
654 654  
655 -= 9. Support =
776 += 10. Support =
656 656  
657 657  
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.
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