An electrocardiogram or EKG is a testing equipment used to measure the electrical activity of the heart. Using only an Arduino Shield and a set of electrodes, one can create his own EKG, generate a ...
Draws an ECG-like waveform from analog input A0 on a 128x64 SH1106 OLED using U8g2. Shows numeric Pulse (BPM) and SpO2 (%) on a 16x2 I2C LCD. Streams values over Bluetooth via an HC-05 module. Samples ...
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