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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.9
edited by Xiaoling
on 2022/06/15 10:57
Change comment: There is no comment for this version
To version 175.12
edited by Xiaoling
on 2022/06/15 10:59
Change comment: There is no comment for this version

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362 362  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
363 363  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
364 364  
365 -
366 366  === 2.3.3  Interrupt Pin ===
367 367  
368 368  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
... ... @@ -494,7 +494,6 @@
494 494  * Solid ON for 5 seconds once device successful Join the network.
495 495  * Blink once when device transmit a packet.
496 496  
497 -
498 498  == 2.7  ​Firmware Change Log ==
499 499  
500 500  
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725 725  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
726 726  
727 727  
728 -
729 729  = 4.  FAQ =
730 730  
731 731  == 4.1  What is the frequency plan for LDDS20? ==
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736 736  
737 737  == 4.2  How to change the LoRa Frequency Bands/Region ==
738 738  
739 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
736 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
740 740  When downloading the images, choose the required image file for download. ​
741 741  
742 742  
743 743  
744 -== 4.3  Can I use LDDS75 in condensation environment? ==
745 -
746 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
747 -
748 -
749 -
750 750  = 5.  Trouble Shooting =
751 751  
752 752  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==