[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
>  > > _______________________________________________
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>  > > Noisebridge-discuss at lists.noisebridge.net
>  > > <mailto:Noisebridge-discuss at lists.noisebridge.net>
>  > > https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>  > >
>  > > _______________________________________________
>  > > 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
>  > >
>  > >
>  > >
>  > >
>  > > --
>  > > 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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