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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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edited by Xiaoling
on 2023/09/12 08:56
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Summary

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Title
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1 -DDS45-NB -- NB-IoT Distance Detection 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-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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59 59  * Nano SIM card slot for NB-IoT SIM
60 60  
61 61  
55 +
62 62  == 1.3 Specification ==
63 63  
64 64  
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105 105  * Max transmit power: 350mA@3.3v
106 106  
107 107  
102 +
108 108  == 1.4 Suitable Container & Liquid ==
109 109  
110 110  
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116 116  * Pure liquid without irregular deposition.
117 117  
118 118  
114 +
119 119  (% style="display:none" %)
120 120  
121 121  == 1.5 Install DDS20-NB ==
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223 223  * Smart liquefied gas solution
224 224  
225 225  
222 +
226 226  == 1.7 Precautions ==
227 227  
228 228  
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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  
266 266  
264 +
267 267  == 1.10 BLE connection ==
268 268  
269 269  
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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  
414 414  
413 +
415 415  === 2.2.2 HEX format Payload(Type~=0) ===
416 416  
417 417  
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531 531  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
532 532  
533 533  
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 +
615 615  = 3. Configure DDS20-NB =
616 616  
617 617  == 3.1 Configure Methods ==
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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  
626 626  
628 +
627 627  == 3.2 AT Commands Set ==
628 628  
629 629  
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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  
732 732  
735 +
733 733  = 6. FAQ =
734 734  
735 735  == 6.1 How can I access t BC660K-GL AT Commands? ==
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787 787  * Weight / pcs : 180g
788 788  
789 789  
793 +
790 790  = 10. Support =
791 791  
792 792