Resetting a load with Arduino cell

I use a curcuit to load with an Arduino Mega cell and ordering an operation with LabView.  I would like to create a tear for the load cell button as a scale would have. To do this, I need to read the analogue value and then set this value to a variable, such as 'x', when you press the reset button. X then becomes a constant that the analog signal of the load cell subtracks. I don't know how to define a digital constant using a business controlled by a button structure.   I think I can make it more difficult to do, but I'm stuck and would appreciate an overview.

Try this, I did not code the arduino active so I can't run it.
What he must do, it is the pulse mounted pressure that reset button has the value of the output current to a value of zero.
I just do it quickly so no warranty!

Tags: NI Software

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