Beating Heart Headband

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Build a pulse-sensing headband that flashes an LED array in time to the beating of your heart. You’ll scratch-build your own perfboard Arduino, assemble the Open Heart LED display, and learn how to use the AMPED pulse sensor. It’s the next best thing to wearing your heart on your sleeve. Read more »

Repurpose Your Cereal Boxes

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When I walk down the cereal aisle, I see my childhood. My mouth waters for the sugary sweet cereals that I once coveted. Growing up, my mom only allowed me to eat them on very special occasions. When I was finally on my own and could eat anything I pleased,... Read more »