[IAEP] Fwd: Heart Rate Monitor Peripheral

Ian Daniher it.daniher at gmail.com
Wed Apr 8 08:39:58 EDT 2009

Hello all,
Back when I had much more time and less knowledge, I was working on
designing a similar device.
While the design didn't progress into a prototype due to lack of interest by
other developers and lack of knowledge on my end, there's a large wikipage
on TeleHealth_Hardware that's available for other people working on similar
projects to add to. Could everyone working on a health-related peripheral go
to http://wiki.laptop.org/go/Health_Hardware and add a blurb. This is a
great place for people to post technical resources as well.
Ian Daniher
OLPCinci Repair Center Lead
OLPC Support Gang Volunteer

On Wed, Apr 8, 2009 at 5:27 AM, Sascha Silbe <
sascha-ml-ui-sugar-iaep at silbe.org> wrote:

> On Wed, Apr 08, 2009 at 03:44:05AM -0400, Seth Woodworth wrote:
>  I'd like to encourage everyone to build on the great work of Arjun
>> Sarwal and help us extend the sensor interface with our peripheral --
>> the heart rate monitor.
> Looks great! As I intended to do a similar device in the future (it's going
> to measure SpO2 (oxygen saturation) as well as that's what I'm interested
> in), I'd like to see the schematics. Are they available somewhere?
> Do you just amplify the current through a photo transistor or is there
> something more fancy going on, e.g. AGC?
> CU Sascha
> --
> http://sascha.silbe.org/
> http://www.infra-silbe.de/
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