This Python program can adjust the system’s volume by using hand gestures.

This can be done by using pinch in and out gesture as shown.

Screenshot 2021-12-30 181039

Before using the code install following libraries:

  1. Numpy
  2. CV2
  3. Keyboard
  4. math
  5. pycaws

After the installation of libraries just run the program in your desired IDE

To Increase the volume pinch out

To decrease the volume pinch in


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