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Re: thermistor project in FAQ
- Subject: Re: thermistor project in FAQ
- From: "MechCD" <dsa>
- Date: Sat, 19 Feb 2005 14:25:27 -0800
- Newsgroups: comp.sys.apple2
- References: <1J6dnaxNfIf_7orfRVn-qw@comcast.com> <79MRd.1673$0h.904@clgrps13>
- Xref: g2news1.google.com comp.sys.apple2:8698
Ok, I could use another digital thermometer to plot a curve for it and use
that to change the paddle value to a real temperature.
Thanks!
"Craig Bower" <to.email.me@post.a.request.message> wrote in message
news:79MRd.1673$0h.904@clgrps13...
> "MechCD" <dsa> wrote in message 1J6dnaxNfIf_7orfRVn-qw@comcast.com">news:1J6dnaxNfIf_7orfRVn-qw@comcast.com...
>> Does anyone have some other information about
snip
>
> Hi,
>
> If the thermistor is simply going to a Paddle input (timed loop) like the
> FAQ recommends,
> It'll be really easy to write the applesoft to "sample" the input.
>
> 10 X = PDL (0) : REM 0, 1, etc for whichever cct you use
> 20 PRINT X;" will be between 0 and 255"
> 30 END
>
> Then it's a matter of using known temperature values to calculate an
> equation
> determining what temperature co-relates to the value 0 through 255 that
> the
> PDL (paddle) input will produce.
>
> Best of luck,
> Craig
>
>