Hello everybody I want to create my own heartbeat sensor but my problem is that i want it to be implemented in a t-shirt so I can't use the phototransistor-led heart beat sensor. I have no idea what to use. anyone here can help me please? Thank you

Heartbeat Sensor in a T-shirt

Mz409 May 16, 2016, 10:33am 3

Something like the polar t34 but i can't know what technologie they are using

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