[dorkbotpdx-blabber] counting bicycles

[Thomas Lockney]

On Mon, May 11, 2009 at 2:50 PM, Daniel Johnson <teknotus at gmail.com> wrote:
> 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.

You could also write this up for others to be able to reproduce -- I
imagine this is an issue other people would like to be able to find a
solution for.