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Reaction Timer

Question asked by werner.mathew on Nov 10, 2011
Latest reply on Nov 16, 2011 by werner.mathew
I would like to learn how to control the STR9 to create a reation timer program.  When a button is pressed the unit waits a random time interval (between four and eight seconds) then begins incrementing LEDs on a bargraph display so that they appear to 'rise' upwards. When the user sees the LEDs moving, he presses a 'stop' button as soon as possible - the earlier the button is pressed, the fewer LEDs that are lit. 

Can anyone show an example how to start with this??