[Cyborg] open source pulse sensor

fenn lipkowitz fennfoot at gmail.com
Thu Aug 4 15:34:45 UTC 2011

this is a good example of how to get a kickstarter project funded.

why does it look green in photographs? does it actually glow green? it 
says the only use one LED, which is infrared.

it also seems really large. 1/2 inch? why is it so big? i think the amp 
doesn't really need to go on the sensor board, but whatever. it's open 
source, right? right?!

On Tue, 2 Aug 2011, Eric Boyd wrote:

> http://pulsesensor.com/2011/08/01/anatomy-of-the-diy-heart-rate-monitor/
> The kickstarter for this project made the rounds a couple of weeks ago,
> but apparently failed to get posted here?  Anyway, this update on their
> open source optical heart beat sensor is pretty cool, they show the
> device operating live, with their GUI, in a variety of spots on the body
> - ear lobe, forehead, finger tip, middle of the finger, palm, lips all
> work well.  Wrist doesn't work very well (and similarly you can assume
> that most areas on the torso won't work). I am especially impressed with
> how movement-insensitive their data is on the ear, that's totally
> awesome.  It's a lot less clunky than most optical sensors as well.
> I've pledged enough to get me two pulse sensor kits when they are ready
> - if you're interested, the kickstarter is still open, though they
> already have way more than they asked for :-)
> http://www.kickstarter.com/projects/1342192419/pulse-sensor-an-open-source-heart-rate-sensor-that
> Eric
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