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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 70.27
edited by Xiaoling
on 2023/06/13 09:16
Change comment: There is no comment for this version
To version 70.22
edited by Xiaoling
on 2023/06/13 09:08
Change comment: There is no comment for this version

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314 314  
315 315  
316 316  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
317 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. All value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
317 +* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
318 318  
319 319  
320 320  === 2.3.3  Interrupt Pin ===
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340 340  
341 341  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
342 342  
343 +(% style="color:red" %)**Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.**
343 343  
345 +
344 344  === 2.3.5  Sensor Flag ===
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346 346  
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370 370  == 2.4  Uplink Interval ==
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372 372  
373 -The DDS75-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
375 +The DDS75-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
374 374  
375 375  
376 376  == 2.5  ​Show Data in DataCake IoT Server ==
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380 380  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
381 381  )))
382 382  
385 +(((
386 +
387 +)))
383 383  
384 384  (((
385 385  (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
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633 633  
634 634  = 6. FAQ =
635 635  
641 +
636 636  == 6.1  What is the frequency plan for DDS75-LB? ==
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