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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
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To version 85.2
edited by Xiaoling
on 2023/09/12 08:56
Change comment: There is no comment for this version

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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
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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"]]
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4 4  
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5 5  **Table of Contents:**
6 6  
7 7  {{toc/}}
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52 52  * Nano SIM card slot for NB-IoT SIM
53 53  
54 54  
55 -
56 56  == 1.3 Specification ==
57 57  
58 58  
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99 99  * Max transmit power: 350mA@3.3v
100 100  
101 101  
102 -
103 103  == 1.4 Suitable Container & Liquid ==
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105 105  
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111 111  * Pure liquid without irregular deposition.
112 112  
113 113  
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115 115  (% style="display:none" %)
116 116  
117 117  == 1.5 Install DDS20-NB ==
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219 219  * Smart liquefied gas solution
220 220  
221 221  
222 -
223 223  == 1.7 Precautions ==
224 224  
225 225  
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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  
263 263  
264 -
265 265  == 1.10 BLE connection ==
266 266  
267 267  
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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  
412 412  
413 -
414 414  === 2.2.2 HEX format Payload(Type~=0) ===
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416 416  
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530 530  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
531 531  
532 532  
533 -
534 534  === 2.3.3  Interrupt Pin ===
535 535  
536 536  
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612 612  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
613 613  
614 614  
615 -
616 616  = 3. Configure DDS20-NB =
617 617  
618 618  == 3.1 Configure Methods ==
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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]].
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627 627  
628 -
629 629  == 3.2 AT Commands Set ==
630 630  
631 631  
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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  
734 734  
735 -
736 736  = 6. FAQ =
737 737  
738 738  == 6.1 How can I access t BC660K-GL AT Commands? ==
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790 790  * Weight / pcs : 180g
791 791  
792 792  
793 -
794 794  = 10. Support =
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796 796  
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Author
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1 +XWiki.Xiaoling
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1 +646.5 KB
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