We strongly doubt about this. Charlton is Biomedical Engineer specialising in signal processing for wearables and advertises on linkedin with the Matlab PPG peak detector:

https://www.linkedin.com/in/peterhcharlton/?originalSubdomain=uk

But are there any jobs for this project? And is the Matlab PPG peak detector HeartPy Python code rewritten for Matlab?

Why then does he not help us to connect a Cyton 3 channel ECG device to Home Assistant running on a Raspberry Pi, a setup which eventually is more accurate and less controversial. All have their community, the Cyton 3 channel ECG, Home Assistant and Pis. But where is the community for the Matlab PPG peak detector?