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VISA Data acquisition Adxl 335 with array

Hi guys!
I'm Freddy, aerospace student and new to this forum, as well as new to the entire LabView universe.

For a microprocessor project (STM32F303K8, with bluetooth module HC05 and accelerometer Adxl 335) we need to represent the vibration of a cantilever beam graphically in LabView (so it's enaugh to only represent one axis). The graphical representation is already done and no problem, but in addition we need to determine the duration of the vibration. What we want to do is, save the acquisited data in an array to then obtain the duration, based on 1. time interval between acquisition of data and 2. number of data.

Searching for help in different forums, on youtube etc. we have trouble finding input or ideas for how to realize it. 


Closest y guess is the answer to a similar project here in this same forum:
https://forums.ni.com/t5/LabVIEW/Adxl335-VISA-data-acquisition/td-p/3592306?lang=en

 

Trouble here is that we don't know how to implement the part of calculating the time.
Any help, tips, comments are very much appreciated!

 

Thank you very much in advanced for taking the time of reading the entire question and thinking of a way to help us!
(The file attached is the program we already have to represent the vibration graphically in one dimension)

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