HRV BT

Extract HRV data from devices via bluetooth

Installation

Prerequisites:

• mamba (recommended) or conda
• Tested on Linux. MacOS may require granting permission for bluetooth access

mamba env create -f environment.yml

Usage

# Activate environment
mamba activate hrv-bt

Discover bluetooth devices for heart rate measurement

python -m src.discover

# Example output
# [2023-04-15 15:49:31] [INFO] [discover.py:30] [root] 18:45:16:A0:46:36 BT_HRM_9_a04636

Connect and listen to transmitted heart rate measurment data

python -m src.connect --address 18:45:16:A0:46:36 --duration 300

# Example output:
# [2023-04-15 15:50:58] [INFO] [hrv_data_aggregator.py:33] [root] HRVPacket(timestamp=1681563058988, HR=43, RRs=[1071, 967])
# [2023-04-15 15:51:00] [INFO] [hrv_data_aggregator.py:33] [root] HRVPacket(timestamp=1681563060969, HR=43, RRs=[1395])