Here's one that allready exists:

http://www.sparkfun.com/commerce/product_info.php?products_id=8661

Kind Regards,
PerL

----- Original Message ----- 
From: "David Duffy (AVD)" <david@audiovisualdevices.com.au>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Wednesday, November 04, 2009 7:35 AM
Subject: [EE] Heart beat logger


> Has anyone here built a heart beat logger? I'm wanting to log each beat,
> not the average rate.
........
> One thing I've seen is the chest straps with micro transmitters.
> Normally a watch picks up the signal, but Polar do make an OEM receiver
> module. The straps are easy to buy, but I've not found any where local
> that sells the modules yet.
> David...
> 
> -- 
> ___________________________________________
> David Duffy        Audio Visual Devices P/L
> Unit 8, 10 Hook St, Capalaba 4157 Australia
> Ph: +61 7 38235717      Fax: +61 7 38234717
> Our Web Site: www.audiovisualdevices.com.au
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