Measure an electrocardiogram (ECG) with an Arduino Uno and an Olimex-EKG-EMG-Shield and calculate the heart rate variability afterward.

Real-time remote Health monitoring system with critical health metrics such as heart rate, SpO2, body temperature, and ECG data, which could benefit both patients and healthcare providers. Powered by ...

When using an Arduino Uno, a continuous variable sound wave is generated between 300 Hz and 1000 Hz through a buzzer when the switch is activated. A second Arduino Uno and a sound detection sensor are ...