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Non-invasive Blood Glucose Measurement System

Non-invasive blood glucose measurement is advantageous as it reduces the healthcare cost and pain of taking blood sample through existing invasive methods. The proposed system uses near-infrared sensors of 940nm wavelength to detect glucose concentration in blood. The glucose concentration is calculated based on the variation in the voltage after passing through finger. The output voltage is converted into glucose concentration using the algorithm developed in Arduino UNO. An accuracy of 97.5% was obtained.