[dorkbotpdx-blabber] counting bicycles

[dan p]

Wasn't just this problem worked on a couple of years ago (involving this
group) for counting the number of cyclists in the annual nude bike ride?

On Mon, May 11, 2009 at 3:08 PM, Michael Bunsen <notbot at gmail.com> wrote:

> I like the piezo idea and would love to help with this project. Are
> you interested in making a display to show the bicycle count publicly
> (like large LED numbers), or something just for the staff?
>
> Come by the meeting tonight if you're interested: 7pm at Backspace (NW
> 5th & Couch)
>
> Michael
>
>
> On Mon, May 11, 2009 at 2:50 PM, Daniel Johnson <teknotus at gmail.com>
> wrote:
>  > I'm involved with the annual bike festival known as pedalpalooza.  For
> > some rides so many people show up that it is difficult to count.  Even
> > a good approximation is much better than wild guesses.
> >
> > A while ago I tried to find parts for connecting to air hoses to count
> > bicycles by dividing the number of pressure spikes by two.  There are
> > so many parts though that I had trouble figuring out what makes sense,
> > and I can't estimate price until I know what pressure sensor to use.
> > Would like it to report numbers real time so that a screen can count
> > up as bikes go through the gate(s).  I imagine other big rides would
> > be interested in renting the equipment if it is made durable.
> >
> > --
> > teknotus
> > Take Notice
> > (503) 409-1735
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