[Noisebridge-discuss] Cheap distance sensor
Michael Shiloh
michaelshiloh1010 at gmail.com
Fri Mar 6 21:47:31 UTC 2009
I would like to trade or otherwise get about half a dozen, but I'm not a
member.
I'd trade for Lithium batteries but I've already given you all I have...
Retroactive?
M
Mitch Altman wrote:
> And in case anyone doesn't know, we received a box of PIR sensors as a
> donation last week -- about 900 of these cute little boards. David, the
> donor, sent me the documentation on them. I'm not sure where to post it
> so that everyone can see it.
>
>
> But anyway, the box is upstairs, in the electronics lab area. Feel free
> to grab as many as you like!
>
>
> Mitch.
>
>
>
>
> ------------------
> > Date: Fri, 6 Mar 2009 12:24:18 -0800
> > From: michaelshiloh1010 at gmail.com
> > To: shannon at scatter.com
> > Subject: Re: [Noisebridge-discuss] Cheap distance sensor
> > CC: nye2 at email.com; noisebridge-discuss at lists.noisebridge.net
> >
> > I would be surprised if it's better than 6", and I'll bet the exact
> > distance of the threshold might vary over time and repetitions. (is that
> > precision or accuracy? i always forget.)
> >
> > Shannon Lee wrote:
> > > Any idea what the resolution is like?
> > >
> > > On Fri, Mar 6, 2009 at 11:40 AM, Michael Shiloh
> > > <michaelshiloh1010 at gmail.com <mailto:michaelshiloh1010 at gmail.com>>
> wrote:
> > >
> > > Great deal. I've eyed this contraption: As near as I can tell, there
> > > is no way to extract raw distance information, but in applications
> > > where you need a simple threshold, this is perfect and very
> inexpensive.
> > >
> > > There are two thresholds (yellow, red) but I think they are not
> > > independently adjustable.
> > >
> > > I'm pretty sure I've seen this in local stores at about the same
> > > price, so you can save shipping. I really should have bought one
> > > just to play with.
> > >
> > > (And added it to my overflowing box of "things to play with when I
> > > have time...".)
> > >
> > > M
> > >
> > >
> > >
> > >
> > > Bill Nye wrote:
> > >
> > > My daily buy.com <http://buy.com> email today has something that
> > > may be of interest: a garage parking distance-to-wall
> > > warning sensor for $11.99, 70% off, free shipping,
> > > green-yellow-red warning lights.
> > >
> http://www.buy.com/prod/easy-park-garage-parking-sensor-rp-338/q/loc/66357/210732534.html
> > >
> > > -Bill
> > > _______________________________________________
> > > Noisebridge-discuss mailing list
> > > Noisebridge-discuss at lists.noisebridge.net
> > > <mailto:Noisebridge-discuss at lists.noisebridge.net>
> > > https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
> > >
> > > _______________________________________________
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> > > <mailto:Noisebridge-discuss at lists.noisebridge.net>
> > > https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
> > >
> > >
> > >
> > >
> > > --
> > > Shannon Lee
> > > (503) 539-3700
> > >
> > > "Any sufficiently analyzed magic is indistinguishable from science."
> > _______________________________________________
> > Noisebridge-discuss mailing list
> > Noisebridge-discuss at lists.noisebridge.net
> > https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
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