[Noisebridge-discuss] Cheap distance sensor

[Michael Shiloh]

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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> 
> 
> 
> -- 
> Shannon Lee
> (503) 539-3700
> 
> "Any sufficiently analyzed magic is indistinguishable from science."