This is supposed to be an application that you can use to play sine waves with your midi keyboard.

Firstly you have to install the required libraries with

pip3 install -r requirements.txt

After that, you should be able to just plug in your midi keyboard into your computer and then run this script with.

python main.py

(Depending on your system, you may need to use python3)

You have to choose the right input and start playing. Not the nicest sound, since it's only sine waves, but I really wanted to build something like this.