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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 73.13
edited by Xiaoling
on 2023/06/13 13:36
Change comment: There is no comment for this version
To version 73.12
edited by Xiaoling
on 2023/06/13 12:00
Change comment: Update document after refactoring.

Summary

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Title
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1 -DDS20-LB -- LoRaWAN Ultrasonic Liquid Level Sensor User Manual
1 +DDS20-LB_LoRaWAN_Ultrasonic_Liquid_Level_Sensor_User_Manual
Content
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51 51  * 8500mAh Battery for long term use
52 52  
53 53  
54 +
54 54  == 1.3 Specification ==
55 55  
56 56  
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80 80  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
81 81  
82 82  
84 +
83 83  == 1.4 Rated environmental conditions ==
84 84  
85 85  
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135 135  * Bottom water level monitoring
136 136  
137 137  
140 +
138 138  == 1.7 Sleep mode and working mode ==
139 139  
140 140  
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163 163  |(% 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.
164 164  
165 165  
169 +
166 166  == 1.9 BLE connection ==
167 167  
168 168  
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312 312  * If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
313 313  
314 314  
319 +
315 315  === 2.3.3  Interrupt Pin ===
316 316  
317 317  
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503 503  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
504 504  
505 505  
511 +
506 506  == 3.2 General Commands ==
507 507  
508 508  
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566 566  )))
567 567  
568 568  
575 +
569 569  === 3.3.2 Set Interrupt Mode ===
570 570  
571 571  
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601 601  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
602 602  
603 603  
611 +
604 604  = 4. Battery & Power Consumption =
605 605  
606 606  
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630 630  * 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]]**.
631 631  
632 632  
641 +
633 633  = 6. FAQ =
634 634  
635 635  == 6.1  What is the frequency plan for DDS45-LB? ==
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713 713  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
714 714  
715 715  
725 +
716 716  = 9. ​Packing Info =
717 717  
718 718  
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731 731  * Weight / pcs : g
732 732  
733 733  
744 +
734 734  = 10. Support =
735 735  
736 736