MobilECG has integrated an open-source heart rate monitor into a business card

Since the business card is like the face of a company or an individual, business card holders try to make them more interesting and memorable. Variants of creative business cards - a huge amount, and now another one has appeared.

MobilECG has created a high-tech business card with a built-in heart rate monitor. At the same time, the electronic circuit of the device is laid out in open access and is not protected by copyright. In order to count your own heart rate using this business card, you just need to put your fingers on the electrodes on the card.

In this case, the testimony should not be considered as accurate as in the case of diagnostic equipment in hospitals - the developers themselves warn about this. In addition to the scheme, they also laid out the drawings of their gadget.
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A business card of this type is directly related to what MobilECG is doing - the company is developing electrocardiographic systems with an open code. The company claims that the gadget can easily capture ECG readings, as shown in the figure below.



As for software, it is available on GitHub . The scheme is presented in pdf format here .