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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 83.2
edited by Xiaoling
on 2023/09/11 13:43
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To version 83.1
edited by Xiaoling
on 2023/09/11 13:42
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Title
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1 -DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual
1 +DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual
Content
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1 -[[image:image-20230911134259-1.png]]
1 +(% style="text-align:center" %)
2 +[[image:image-20230819102136-3.png]]
2 2  
3 3  
5 +
4 4  **Table of Contents:**
5 5  
6 6  {{toc/}}
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44 44  * 8500mAh Battery for long term use
45 45  * Nano SIM card slot for NB-IoT SIM
46 46  
49 +
47 47  == 1.3 Specification ==
48 48  
49 49  
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103 103  * STOP Mode: 10uA @ 3.3v
104 104  * Max transmit power: 350mA@3.3v
105 105  
109 +
106 106  == 1.4 Applications ==
107 107  
108 108  
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113 113  * Smart Cities
114 114  * Smart Factory
115 115  
120 +
116 116  == 1.5 Sleep mode and working mode ==
117 117  
118 118  
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140 140  )))
141 141  |(% 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.
142 142  
148 +
143 143  == 1.7 BLE connection ==
144 144  
145 145  
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302 302  
303 303  * 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.
304 304  
311 +
305 305  === 2.2.2 HEX format Payload(Type~=0) ===
306 306  
307 307  
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434 434  
435 435  * If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.**
436 436  
444 +
437 437  == 2.6 Trggier an uplink by external interrupt ==
438 438  
439 439  
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451 451  
452 452  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
453 453  
462 +
454 454  = 3. Configure S31x-NB =
455 455  
456 456  == 3.1 Configure Methods ==
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462 462  
463 463  * 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]].
464 464  
474 +
465 465  == 3.2 AT Commands Set ==
466 466  
467 467  
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567 567  
568 568  * 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]]**.
569 569  
580 +
570 570  = 6. FAQ =
571 571  
572 572  == 6.1 How can I access t BC660K-GL AT Commands? ==
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610 610  
611 611  * Weight / pcs : 180g
612 612  
624 +
613 613  = 9. Support =
614 614  
615 615