Weekend Projects - Infrared Pulse Sensor

From the creator

Complete instructions for this episode of Weekend Projects can be found at http://makezine.com/projects/ir-pulse-sensor/ Find more at the Maker Shed: https://makershed.com Make: Electronics, 3rd Edition: https://www.makershed.com/products/make-electronics-3rd-edition-pdf Taking your pulse is as simple as holding a finger to your neck or wrist and timing the beats with your watch. But if you want to record the data or use it to trigger events, you need to turn that mechanical pulsing action into an electrical signal. This sensor fits over a fingertip and uses the amount of infrared light reflected by the blood circulating inside to do just that.

Published 2013-09-27 · Watch on YouTube ↗
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