Measure DC Motor Speed with PC Audio Input

Measure DC Motor Speed with PC Audio Input
You can download the code along with more resources on this website: kalonso9.wixsi...
This code creates an interactive web page that measures and displays RPM (Revolutions Per Minute) based on audio input. It visualizes the RPM on a circular gauge with a needle that moves according to the calculated RPM value. The user can control various parameters like buffer duration, update interval, and FFT size using sliders.