HeartyPatch

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Aug 14, 2017

A New HeartyPatch Design

Now that we have successfully completed (and delivered!) our HealthyPi campaign, also on Crowd Supply, we are back to full steam ahead towards completion of the HeartyPatch. We’ve made some considerable progress, and we wanted to share them with you.

First off - we have a new board !

It’s not drastically different from the original design, but we’ve made some design optimizations here and there. Some of the major changes are:

  • Got rid of the body temperature sensor, since this didn’t seem to add value to this application, although it is a great chip.
  • Made the board smaller, optimizing the placement of the ECG electrode buttons.
  • Added an RGB LED for providing more information than just on and off.
  • We changed the color to white, just because it looked better.

We will add the new design files to our GitHub repo.

More data analysis

We hooked up the HeartyPatch board to an Arrhythmia simulator and logged the device response to this data in terms of R-R interval detection. We wanted to see what can be detected using just R-R interval data and nothing else. We got some pretty interesting results.

In this plot, you can see the differences in the data patterns from these variance plots. Since accurate R-R interval detection is possible, this reinforces our idea of using the device for Arrhythmia detection. We’ve made some detailed posts and some videos on our Hackaday Project Page about the progress towards this direction.

In other news, this year’s Physionet Challenge - one of most popular forums for all things ECG and signal processing - is “AF Classification from a short single lead ECG recording”. Perfect timing, coincidence?? We don’t think so!

The Hackaday Prize

For those of you who didn’t know, Hackaday is running it’s annual Hackaday Prize challenge and we got into the “Best Product” finals for the prize 2017. Come November 2017, we hope to win the final prize as well. More details about the announcement are here.

We will be at Maker Faire New York 2017

ProtoCentral, for the first time, will be at Maker Faire New York 2017. This happens from September 23rd and 24th of this year. If you’re attending or are in New York at that time, please stop by and say hi. Both HeartyPatch and our HealthyPi projects will be on display!

We are hoping to have a project launch date closer to Maker Faire. We will let you know as soon as we’re ready to launch.

$8,414 raised

of $1 goal

Funded! Order Now

Nov 13

funded on

841,400%

funded

124

pledges

Product Choices

$95

HeartyPatch Basic Kit

Includes the HeartyPatch PCB with ECG button connectors, sheet of 10 disposable electrode pads, a 450 mAH LiPo battery and a Micro-USB cable for programming and charging.


$15

Case for HeartyPatch

A clear 3D printed PLA enclosure/case that can be used with the HeartyPatch Basic Kit for longer-term wearable application.

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Credits

ProtoCentral


Ashwin K Whitchurch

CEO / Project Manager

Manikandan S

Lead Hardware Engineer

Venkatesh Bhat

Lead Software Engineer

Joice TM

Software Engineer

Biswajit Ojha

Lead Operations Manager

Archana V

Lead - Marketing and Customer Support

Manigandan B

Assistant - Assembly & Testing

Yasaswini Ravuri

Software Engineering Intern

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