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It has been sometime since we had a heart rate monitor exhibit on our floor. But it was always terrifically popular. One thing I've always thought would be interesting for visitors, would be to have one located at the bottom of a set of stairs and the other at the top of the stairs. If one had a set of nice long stairs with landings, like at Minnesota, it would be possible to measure visitor pulse rate at several landings, and visitors could make an assessment of their heart health.
We put our electrodes on an excercycle, used the handlebar grips as the measuring points and used an oscilloscope to make the display. This could be done with an iphone app, and visitors could even record and save their own heart beat. Have a look at the electro-physiological device from Backyard Brains, http://www.backyardbrains.com/Home.aspx . I'm sure the signal could be set up with appropriate noise filters. The folks at BYB are definitely into DIY. I'm an advisor to their project.
One caution, if you are doing any type of physiological recording with people, it is essential to protect the recording subject from electrical shock. This usually isn't a problem, but can be in some instances. Making things battery powered and low voltage is a good start.
C
On Mar 18, 2011, at 11:33 AM, David Smith wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Pasco sells a hand-grip heart rate monitor that consists of two grip-able
> bars - should be at least somewhat hackable. It's a Passport sensor so it
> will plug into a computer (through a USB link) or into one of Pasco's
> portable devices (GLX or SPARK).
>
> Dave Smith
>
>
> On Thu, Mar 17, 2011 at 4:32 PM, Erich Rose <[log in to unmask]> wrote:
>
>> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>> Incorporated, a worldwide network of science museums and related
>> institutions.
>>
>> *****************************************************************************
>>
>> Looking for suggestions for a device to read heart rate/pulse for visitors.
>> If not off the shelf then something that can be modified and made bullet
>> proof for the museum environment.
>>
>> Erich Rose
>>
>> Erich Rose Design
>> 807 The Living End
>> Austin, TX 78746
>> 512-626-9930; [log in to unmask]
>>
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> --
> David L. Smith
> Da Vinci Science Center
> Allentown, PA
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The opinions and thoughts expressed here are my own and should in no way be construed or attributed to the Exploratorium or related organization, and do not represent an institutional position.
Charles Carlson
Senior Scientist
exploratorium
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San Francisco, CA 94123
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