We used this ECG sensor: https://www.vernier.com/products/sensors/ekg-bta/ Offset of 1V was grate for measuring with Arduino, because Arduino only works with voltage ...

A custom firmware for Movesense Sensor devices which implements a Bluetooth Low Energy (BLE) GATT electrocardiograph (ECG) voltage and movement measurements. This Repository is forked from version 2.2 ...

To construct time-frequency (T-F) spectrograms, filtered ECG sensor data is subjected to the short-time Fourier transform, movable Gaussian window-based S-transform (ST), and smoothed ...

Both the variants are now available on popular e-commerce platforms like Amazon and Flipkart with slew of features, Pro Level Sports mode, ECG monitoring ... packed with Bluetooth 5.2 connectivity ...