Hi, Guzman (in Uruguay) make an prototipe that run on XO with the Turtle Art Activity: http://www.youtube.com/watch?v=y69Mu1SDXDk > Date: Wed, 20 Jul 2011 23:28:57 -0400 > Subject: Re: Re: Pulse Sensor: an Open Source Heart-rate Sensor that Rocks by > Yury Gitman � Kickstarter > From: walter.ben...@gmail.com > To: fors...@ozonline.com.au > CC: devel@lists.laptop.org > > So cool. > > -walter > > On 7/20/11, fors...@ozonline.com.au <fors...@ozonline.com.au> wrote: > >> I have a partially complete refactoring of the camera code that should > >> speed things up; in the meantime, I wonder if a simple resistive light > >> sensor run through the mic input wouldn't do just as well. > >> > > > > A cadmium sulphide photoresistor (ORP12 equivalent) worked OK measuring > > resistance in Turtle art > > > > Cover cell with little finger and hold near bright light. Pulse gives +-50 > > ohms in 3000 ohms. > > > > Screenshot attached > > > -- > Walter Bender > Sugar Labs > http://www.sugarlabs.org > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel
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