PolarBLE is a C# .NET 8 WinForms application that connects to a Polar H10 ECG sensor over Bluetooth Low Energy (BLE) and streams raw ECG data in real-time to LabStreamingLayer (LSL).
This project is a port of my previous PolarBand2lsl Python/Kivy implementation. I took info from the project Dont-hold-your-breath by Kieran Brennan. Look it up!
- Scan for nearby Polar H10 devices via BLE
- Connect and subscribe to the ECG measurement service
- Decode and stream 130 Hz ECG data to LSL
- Decode and stream 200Hz ACC data to LSL
- Windows 10 or 11
- .NET 8 SDK
- Bluetooth LE–capable adapter (internal or external)
- Polar H10 ECG sensor
Download the last Release from the GitHub repository, unzip and run. The Program will start looking for nearby polar bands and display their ID. When you click on the ID of the band you want to stream, it will start streaming. This can take some time (up to a minute), the program will inform you when streaming is in progress.