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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 ...

This module is based on the I2C light-to-digital converter TSL2561 to transform light intensity to a digital signal. Different from traditional analog light sensor, as Grove - Light Sensor, this ...

Abstract: This paper presents a microfabricated Clark-type sensor which exactly can measure dissolved oxygen in the cell containing solution. We designed and fabricated a microfabircated Clark-type ...

Abstract: Optical dissolved oxygen (DO) concentration measurement based on phase fluorometric theory is one of the most promising DO concentration measurement methods with advantages of insensitivity ...

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