Copyright 2009 SPLat Controls Pty Ltd. This communication does not
constitute professional advice
5 Nov 2009
Have a laugh on
Just for something completely different, and
because we all need a laugh sometimes, we have just produced an animated cartoon designed to get a laugh out
of all you technical types. Please have look, and be sure to pass it
along to your friends and colleagues. Click
here for a good laugh.
control - Stuff about or related to control systems
Multitasking is a word that started in the computer
industry, and has since passed into common usage. It means, simply,
doing several things seemingly at once.
are a processor or a real person, the key word above is
seemingly. In practice you (or a CPU) can only do one thing
at a time, but if you switch between activities frequently enough,
you may give the impression of doing several things simultaneously.
Multitasking is important in controller applications
because all but the very simplest controllers need to be able to
take care of many things at once. An example would be controlling
the temperature of a tank while filling it up (and watching the
level) and at the same time watching out for user input from say a
In controllers, as in general computing,
there are many ways to arrange for the program to switch between
different tasks rapidly. Generally this task management is delegated
to an Operating System (O/S). There are may kinds of O/S.
You can read about them in a easy to digest paper here.
So, when you select a controller to be a vital
component in your product, be sure it comes with a multitasking
system that is powerful enough for your needs and easy to use and
of control - Nothing much to do with controls, (but
Swine flu: Eight myths that
could endanger your
Newspaper reports here in Australia suggest Swine Flu
is starting to cause some concern in the US. We had some unease here
in Australia a few months ago, when we had a brief outbreak. Now we
are heading for summer and warmer weather, people are relaxing about
The New Scientist recently ran an interesting article
titled "Eight myths that could endanger your life". Have a read, click here.
|You can now program SPLat hardware in
C, with our free RTOS. Click here for details.
Q: What's the difference between an
engineer and a computer scientist?
A: An engineer thinks there's 1000 bytes
in a kilobyte. A computer scientist thinks there's 1024 meters
in a kilometer.
I don't know the key to success, but the key to
failure is trying to please
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