volatile boolean Pulse = false; // "True" when User's live heartbeat is detected. "False" when not a "live beat". volatile boolean QS = false; // becomes true when Arduoino finds a beat. static ...

Abstract: This research aims to design and realize non-invasive instrument to measure both blood glucose level and saturated oxygen level by using optical methods, i.e oximeter sensor. This method has ...

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The "sketch file" implements a command interface and calls the sensor code to do the "work" of collecting frames in various operating modes. The codes throughout, use the standard Arduino libraries ...