First night''s hamster data is in ...
Archiver
Posts: 46,084
Will post it on files; didn't know I could do that--thought moderator
only could.
Michael
--- In basicstamps@yahoogroups.com, "Stu Wrenn" <swrenn@z...> wrote:
> Michael--
> Why not just post it in the FILES section of the group site?
> It would save you a lot of emailing.
>
>
Original Message
> From: "webbm03" <webbm@c...>
> To: <basicstamps@yahoogroups.com>
> Sent: Friday, October 10, 2003 10:48 AM
> Subject: [noparse][[/noparse]basicstamps] Re: First night's hamster data is in ...
>
>
> > Sorry, didn't realize that the board will remove e-mail addresses. If
> > you want to see the data, send an e-mail to "webbm at comcast dot
net".
> >
> > Michael
> >
> >
> > --- In basicstamps@yahoogroups.com, "webbm03" <webbm@c...> wrote:
> > > Since there've been a few people interested in the "hamster"
> > > experiment, I thought I'd post a brief note.
> > >
> > > The stamp setup worked well. I decided not to use COUNT, but
instead I
> > > wrote a simple "state loop" that counts clock cycles (in effect)
while
> > > waiting for the reed switch to close and bring the input pin low. I
> > > found that I got some bounce in the reed switch, but this was
overcome
> > > with a simple bypass capacitor across the reed swtich. The stamp
setup
> > > counts revolutions accurately and stably. I had to calibrate the
cycle
> > > counter, but this was simple: I simply ran the wheel by hand for
a few
> > > minutes and then multiplied the total number of clock cycles by a
> > > conversion factor to get real time. The clock cycles ended up being
> > > very close to 4 miliseconds, so even when the hamster was
running his
> > > fastest, I was getting a count of at least 120 per revolution. I can
> > > post the code if anybody wants to see it.
> > >
> > > "Smokey" (my daughter's hamster) was busy last night! He started
> > > around 2130, and went to sleep this morning just after 0800. He
ran a
> > > total of 20580 meters--I was surprised; that's over 12 miles! He
> > > averaged 0.9 m/s, and ran essentially all night. He took a couple of
> > > relatively long rest intervals (11 and 37 minutes), but other than
> > > that 1/2 of his rests were less than 30 seconds, and 90 percent were
> > > less than 2 minutes.
> > >
> > > I have a PPT with some data in it. If anybody's interested,
e-mail me
> > > at webbm@c..., and I'll send it to you.
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
only could.
Michael
--- In basicstamps@yahoogroups.com, "Stu Wrenn" <swrenn@z...> wrote:
> Michael--
> Why not just post it in the FILES section of the group site?
> It would save you a lot of emailing.
>
>
Original Message
> From: "webbm03" <webbm@c...>
> To: <basicstamps@yahoogroups.com>
> Sent: Friday, October 10, 2003 10:48 AM
> Subject: [noparse][[/noparse]basicstamps] Re: First night's hamster data is in ...
>
>
> > Sorry, didn't realize that the board will remove e-mail addresses. If
> > you want to see the data, send an e-mail to "webbm at comcast dot
net".
> >
> > Michael
> >
> >
> > --- In basicstamps@yahoogroups.com, "webbm03" <webbm@c...> wrote:
> > > Since there've been a few people interested in the "hamster"
> > > experiment, I thought I'd post a brief note.
> > >
> > > The stamp setup worked well. I decided not to use COUNT, but
instead I
> > > wrote a simple "state loop" that counts clock cycles (in effect)
while
> > > waiting for the reed switch to close and bring the input pin low. I
> > > found that I got some bounce in the reed switch, but this was
overcome
> > > with a simple bypass capacitor across the reed swtich. The stamp
setup
> > > counts revolutions accurately and stably. I had to calibrate the
cycle
> > > counter, but this was simple: I simply ran the wheel by hand for
a few
> > > minutes and then multiplied the total number of clock cycles by a
> > > conversion factor to get real time. The clock cycles ended up being
> > > very close to 4 miliseconds, so even when the hamster was
running his
> > > fastest, I was getting a count of at least 120 per revolution. I can
> > > post the code if anybody wants to see it.
> > >
> > > "Smokey" (my daughter's hamster) was busy last night! He started
> > > around 2130, and went to sleep this morning just after 0800. He
ran a
> > > total of 20580 meters--I was surprised; that's over 12 miles! He
> > > averaged 0.9 m/s, and ran essentially all night. He took a couple of
> > > relatively long rest intervals (11 and 37 minutes), but other than
> > > that 1/2 of his rests were less than 30 seconds, and 90 percent were
> > > less than 2 minutes.
> > >
> > > I have a PPT with some data in it. If anybody's interested,
e-mail me
> > > at webbm@c..., and I'll send it to you.
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
> >