Add the following snippet to your HTML:<iframe frameborder='0' height='385' scrolling='no' src='https://www.hackster.io/notleo/pulsing-heart-188bf7/embed' width='350'></iframe>

The idea is to have a 3d-printed heart with neopixels inside and pulse with the same frequency as your apple watch reads it.

Read up about this project on

Pulsing heart

not leo

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