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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 85.2
edited by Xiaoling
on 2023/09/12 08:56
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To version 84.23
edited by Xiaoling
on 2023/09/11 15:58
Change comment: There is no comment for this version

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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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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  
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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  
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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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479 479  
480 480  (% style="color:#4472c4" %)**field1=27.9&field2=49.9&field3=3.23&field4=28**
481 481  
482 -
483 483  == 2.3  ​Uplink Payload ==
484 484  
485 485  
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530 530  
531 531  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
532 532  
533 -
534 534  === 2.3.3  Interrupt Pin ===
535 535  
536 536  
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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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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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749 749  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.
750 750  
751 751  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 -
754 754  )))
755 755  
756 756  = 8. Order Info =
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786 786  
787 787  * Weight / pcs : 180g
788 788  
789 -
790 790  = 10. Support =
791 791  
792 792  
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1 -XWiki.Xiaoling
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1 -646.5 KB
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