If you want to make a good first impression, having a fully functioning ECG business card is a pretty good way to do it.
It measures the real pulse of the holder by them simply holding two fingers on it for a few seconds. The ECG business card is obviously not supposed to be used as a diagnostic device, but it’s a cool hack project that gives a close approximation of a real ECG.
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I just realized I need better business cards.
➤ MobilECG Business Card [MobilECG]