Cardiac diagnosis heart rate, arrhythmia 14

This application detects the change in brightness caused by the fingertip bloodstream detected by the phone’s camera, measures the heart rate and the period of the heartbeat to determine if it is an arrhythmia.
Normal, bradycardia and tachycardia as a function of heart rate are divided into signals and the displayed arrhythmia is also indicated by the indicator light according to normal, caution and degree of danger.