22 lines
954 B
Markdown
22 lines
954 B
Markdown
# LabRecorder
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A simple Android app to record heart rate (HR) and RR-interval data simultaneously from two Polar BLE heart rate sensors.
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## How to Use
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1. **Install the App**: You can install the app directly using the `app-release.apk` file in the repository. Grant the necessary Bluetooth permissions when prompted.
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2. **Enter Group ID**: Type a unique name for your recording session in the **Group ID** field.
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3. **Scan & Connect**: The app automatically scans for Polar devices. Once found, they will be auto-assigned. Click **Connect** and wait for the status to change to "Connected".
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4. **Record**: Click **Start Recording**. You can log events using the **Start/Stop Interval** and **Mark Timestamp** buttons.
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5. **Stop**: Click **Stop Recording** to save the session.
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***
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## Data Output
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Recorded data is saved as `.csv` files on your device. You can find them in the following directory:
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`Documents/LabRecorder/<Your_Group_ID>/`
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