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Re: [AVR-Chat] serial communication

2008-02-05 by subscriptions@aeolusdevelopment.com

Dennis Clark Wrote
>  And then there is what I have taught my students and preach a bit about
>on the 'net.  It comes in part from Sherlock Holmes and part from my own
>experience:
>
>Data Watson!  Data!  You cannot make bricks without straw.
>
>and
>
>If the data does not make any sense, examine your assumptions, at least
>one of them is incorrect.

And reflect on whether what you think you are measuring and what you are
actually measuring are the same thing. And maybe whether you should be
measuring something else instead.  There's not much utility in measuring
how long something takes when what is important is how quickly it starts
(or vice versa), and if you actually need both only measuring half the
information may be of limited usefulness.

Record everything you do, it's very easy to forget previous informations or
worse remember it incorrectly.

Stop changing things, gather all of your symptoms together along with how
they changed as you modified things (see record everything), and just sit
down and think about what is happening.  You may need multiple attempts
starting from the original source each time to get enough information to
start making sense of the problem.

If it stops failing and you don't know why be worried.

Robert


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