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Pulse Sensor is a well-designed plug-and-play heart-rate sensor for Arduino. It can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart-rate data into their projects. The kit includes:
This 3 Volt version is for "wearable-minded" developers. If you are using a Lillypad, Arduino Fio, Arduino Pro Mini, Seeeduino Film, or any 3V Arduino, these are for you.