[squeakland] Need help with a "Candy Snatcher Detector" project

Ricardo Moran richi.moran at gmail.com
Wed Oct 24 21:05:01 EDT 2012

Oops, I'm very sorry I missed this mail. As you probably know by
now, Physical Etoys 2.0 is based on Etoys 5 so yes, it supports
ScratchConnect :)


On Wed, Oct 17, 2012 at 2:03 AM, Steve Thomas <sthomas1 at gosargon.com> wrote:

>  I have a group of kids and we are working on building a Candy Snatcher
> Detector.  We are using a Makey Makey we built Candy Detectors and can tell
> when a kid takes more than one candy.  The kids also build two versions of
> a "Silly String Shooter" which will shoot the offending Candy Snatcher.
>  The problem we are trying to solve is how to trigger the Silly String
> Shooter.  In one version they are using Lego NXT to fire the Silly String.
> (we may switch to Arduino in one version, but I would still need to trigger
> the Arduino from Scratch).  In the other they build a pneumatic lever,
> which will probably also be run from NXT. We had the following ideas:
> 1) Have the Scratch program trigger the lighting of an LED, which a
> carefully constructed NXT light sensor could detect and then fire the silly
> string
> 2) Somehow send a signal to the NXT from Scratch
> 3) Have a small section of the screen (which we have the light detector
> pointing toward (with light shields so it only sees one small corner) and
> we change the color from black to white on that section when we want to
> fire the NXT.
> Okay, having asked this, I realized Ricardo and team have built Physical
> Etoys <http://tecnodacta.com.ar/gira/projects/physical-etoys/> (which I
> will be downloading and playing with shortly, about time!!!)
> Ricardo,
>          Does Physical Etoys support Scratch Connect?  If not, can I
> simply load in the ScratchConnect-ky.6.mcz<http://www.squeaksource.com/ScratchConnect/ScratchConnect-ky.6.mcz> from
> squeaksource?
> Well we shall try.
> Thanks,
> MrSteve
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