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In Super Awesome Sylvia’s latest video, she walks through a build for an Arduino-powered Pulse Sensor pendant necklace. The sensor attaches to your ear and is connected to a pendant around your neck. The LEDs on the pendant blink in pace with your heart. In addition to step-by-step directions for the project, Sylvia offers a short lesson in cardiology 101.

For this project you’ll need:

Have a look:

Stett Holbrook

Stett is a senior editor at MAKE with abiding interest in food and drink, bicycles, woodworking, and environmentally sound human enterprises. He is the father of two young makers.

He is also the co-creator of Food Forward, a documentary TV series for PBS about the innovators and pioneers changing our food system.


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