% Timestamp Logging Demo
% Written by Rodney Tan (PhD)
% Version 1.00 (May 2019)
% This code demonstrate timestamp logging at a interval of 10 sec for
% randomly generated data to simulate physical data input and save the
% logged data in .csv file format
% The button serve 3 purposes, start, stop and save functions
% click button once to start and click again to stop logging follow by
% saving the timestamp logged data into .csv file format