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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 84.25
edited by Xiaoling
on 2023/09/11 16:02
Change comment: There is no comment for this version
To version 84.13
edited by Xiaoling
on 2023/09/11 15:22
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -51,8 +51,6 @@
51 51  * 8500mAh Battery for long term use
52 52  * Nano SIM card slot for NB-IoT SIM
53 53  
54 -
55 -
56 56  == 1.3 Specification ==
57 57  
58 58  
... ... @@ -98,8 +98,6 @@
98 98  * STOP Mode: 10uA @ 3.3v
99 99  * Max transmit power: 350mA@3.3v
100 100  
101 -
102 -
103 103  == 1.4 Suitable Container & Liquid ==
104 104  
105 105  
... ... @@ -110,8 +110,6 @@
110 110  ** Pure non metal material: <10 mm
111 111  * Pure liquid without irregular deposition.
112 112  
113 -
114 -
115 115  (% style="display:none" %)
116 116  
117 117  == 1.5 Install DDS20-NB ==
... ... @@ -198,7 +198,7 @@
198 198  Reset DDS20-NB and see if the BLUE LED is slowly blinking.
199 199  )))
200 200  
201 -[[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]]
202 202  
203 203  (((
204 204  (% style="color:red" %)**Note :**(% style="color:red; display:none" %)** **
... ... @@ -218,8 +218,6 @@
218 218  
219 219  * Smart liquefied gas solution
220 220  
221 -
222 -
223 223  == 1.7 Precautions ==
224 224  
225 225  
... ... @@ -260,8 +260,6 @@
260 260  )))
261 261  |(% 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.
262 262  
263 -
264 -
265 265  == 1.10 BLE connection ==
266 266  
267 267  
... ... @@ -305,23 +305,6 @@
305 305  (% style="display:none" %)
306 306  
307 307  
308 -== 1.12 Mechanical ==
309 -
310 -
311 -[[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"]]
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/1675143899218-599.png?rev=1.1||alt="1675143899218-599.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/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]]
316 -
317 -
318 -(% style="color:blue" %)**Probe Mechanical:**
319 -
320 -[[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"]]
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-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
323 -
324 -
325 325  = 2. Use DDS20-NB to communicate with IoT Server =
326 326  
327 327  == 2.1 Send data to IoT server via NB-IoT network ==
... ... @@ -409,8 +409,6 @@
409 409  
410 410  * 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.
411 411  
412 -
413 -
414 414  === 2.2.2 HEX format Payload(Type~=0) ===
415 415  
416 416  
... ... @@ -479,98 +479,9 @@
479 479  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
480 480  
481 481  
482 -== 2.3  ​Uplink Payload ==
453 +== 2.3 Test Uplink and Change Update Interval ==
483 483  
484 484  
485 -(((
486 -DDS20-NB will uplink payload via LoRaWAN with below payload format: 
487 -)))
488 -
489 -(((
490 -Uplink payload includes in total 8 bytes.
491 -)))
492 -
493 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
494 -|=(% 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
495 -|(% style="width:95px" %)Value|(% style="width:61px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
496 -[[Distance>>||anchor="H2.3.2A0Distance"]]
497 -(unit: mm)
498 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
499 -[[Temperature (Optional)>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
500 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
501 -
502 -[[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"]]
503 -
504 -
505 -=== 2.3.1  Battery Info ===
506 -
507 -
508 -Check the battery voltage for DDS20-NB.
509 -
510 -Ex1: 0x0B45 = 2885mV
511 -
512 -Ex2: 0x0B49 = 2889mV
513 -
514 -
515 -=== 2.3.2  Distance ===
516 -
517 -
518 -(((
519 -Get the distance. Flat object range 20mm - 2000mm.
520 -)))
521 -
522 -(((
523 -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" %)** **
524 -
525 -(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
526 -)))
527 -
528 -* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
529 -
530 -* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
531 -
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**.
... ... @@ -580,7 +580,7 @@
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 ==
465 +== 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 ==
479 +== 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.
... ... @@ -611,8 +611,6 @@
611 611  
612 612  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
613 613  
614 -
615 -
616 616  = 3. Configure DDS20-NB =
617 617  
618 618  == 3.1 Configure Methods ==
... ... @@ -624,8 +624,6 @@
624 624  
625 625  * 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]].
626 626  
627 -
628 -
629 629  == 3.2 AT Commands Set ==
630 630  
631 631  
... ... @@ -723,7 +723,7 @@
723 723  
724 724  * Fix bugs.
725 725  
726 -Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/nyzeu0lf0amcaek/AAC6UZrqyTcAyJgXOH7l9F9Ka?dl=0]]**
604 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fhb3uyl4gt6clru/AAAiZVTFcxrfE1JOOyfcgO9ha?dl=0]]**
727 727  
728 728  Methods to Update Firmware:
729 729  
... ... @@ -731,8 +731,6 @@
731 731  
732 732  * 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]]**.
733 733  
734 -
735 -
736 736  = 6. FAQ =
737 737  
738 738  == 6.1 How can I access t BC660K-GL AT Commands? ==
... ... @@ -743,22 +743,9 @@
743 743  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
744 744  
745 745  
746 -= 7.  Trouble Shooting =
622 += 7. Order Info =
747 747  
748 -== 7.1  Why i always see 0x0000 or 0 for the distance value? ==
749 749  
750 -
751 -(((
752 -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.
753 -
754 -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.
755 -
756 -
757 -)))
758 -
759 -= 8. Order Info =
760 -
761 -
762 762  Part Number: (% style="color:blue" %)**DDS20-NB-XX**
763 763  
764 764  (% style="color:red" %)**XX**(%%):
... ... @@ -770,7 +770,7 @@
770 770  (% 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
771 771  
772 772  
773 -= 9. ​Packing Info =
636 += 8. ​Packing Info =
774 774  
775 775  
776 776  (% style="color:#037691" %)**Package Includes**:
... ... @@ -789,11 +789,9 @@
789 789  
790 790  * Weight / pcs : 180g
791 791  
655 += 9. Support =
792 792  
793 793  
794 -= 10. Support =
795 -
796 -
797 797  * 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.
798 798  
799 799  * 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]].