>Subject: Re: [Biofuel] Attn. Pack Rats -- (maybe) A cheap Process Control Idea
>
>Hi everyone,
...
>I was thinking of developing generic software (in C or assembler) for old
>computers to convert them into process controllers. For example, it might make
>an effective temperature controller for your still. If this works, I would
>take the programs and put them on a web page for download. If it's truly
>generic (compatible with all XX86 architecture), it will be a matter of
>copying the executable file to the hard drive of a computer, adding a line to
>the autoexec.bat file and making a harness (serial/parallel port to solid
>state relays and sensors).
Mike,
I think you have a great idea. I do know that your choice of OS will be
important. Between linux and microsoft there are a host of small, compact OSes
that can be customized for specific support. I say this because depending on
the level of control you are looking for (just turning off a mixer after a time
limit or actually opening valves and running pumps) may be difficult to attain
with a generic OS.
However, I would look into the following areas for "inspiration"
http://www.automatedaquariums.com/
http://www.brewtechlabs.com/prod01_falcon.htm
http://www.employees.org/~joestone/Sbs/
http://www.controlanything.com/
When I started beer brewing I ran across some of this information. I don't
brew enough beer to use any of this but its worth looking into.
Let us know how you are progressing. I may be able to provide some help though
I have never tried anything of this nature.
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