Weekend Projects - Infrared Pulse Sensor
Complete instructions for this episode of Weekend Projects can be found at /
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.
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.
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