A simple Android app that connects to Polar heart rate devices, and collects ECG data from them. The benefit of a custom solution over Polar's own software is to avoid the transmission of medical data through the cloud and perform all processing locally.

Developed in 2021 to aid in Effects of Using Guided Deep Breathing Exercises in a Virtual Natural Environment to Reduce Stress during Pediatric Treatment, published in 2023.

This project uses the Polar SDK. For terms of the SDK license, see POLAR_SDK_LICENSE.md. For the license used in the rest of the repository, see LICENSE.md.