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Do you want to add a more “human element” to your next project? The Pulse Sensor, available in the Maker Shed, measures subtle changes in light from expansion of the capillary blood vessels to sense your heartbeat. Gently place the sensor on any area of skin (such as a finger or earlobe) and it will transmit pulse data to your Arduino for processing. The downloadable sample Processing / Arduino code lets you visualize your pulse data right on your computer. It’s a simple, non-invasive, inexpensive way to incorporate biofeedback into your projects. Need some great project ideas? Check out Becky Stern’s Beating Heart Headband project from MAKE: Volume 29!

NEW – We now carry a 3.3V version of the Pulse Sensor that’s perfect for Lilypads and other 3V Arduinos!

Michael Castor

I am the Evangelist for the Maker Shed. It seems that there is no limit to my making interests. I’m a tinkerer at heart and have a passion for solving problems and figuring out how things work. When not working for Make I can be found falling off my unicycle, running in adverse weather conditions, skiing down the nearest hill, restoring vintage motorcycles, or working on my car.


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