Hi,

Russell McMahon wrote:
>I wish to measure human pulse rate in an exercise environment.
<snip>

This might give you something to work with:
http://www1.fh-aalen.de/dti/Ti_proj/puls_3/puls_3.htm

Google translated to English:=20
http://makeashorterlink.com/?G1BC25796

There are subpages/links there that will take you to some schematics.

/Tony

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