Receive and analyse photoplethysmography (PPG) data stream on website

Setup database on website simply with userID, userEmail. When user logs-in wait for data stream from photoplethysmography (PPG), a time series of floating point blood absorption values. Dynamically determine and display highest and lowest Beat-per-minute value and store it together with date, time, name and description send from the user device for later viewing. This is the most basic first project mainly to find the most suitable freelancer to cooperate on a longterm basis to do more elaborate single processing, pattern recognition, principle component analysis, FFT in medical data.