How to implement SSVEP flicker stimulation using psychopy?

I don’t know how to implement SSVEP flicker stimulation using psychopy? Seeking help from everyone!

Hello

here you find some examples

If you have never programmed a PsychoPy-experiment, you might want to read

Peirce, J. W., Hirst, R. J. & MacAskill, M. R. (2022). Building Experiments in PsychoPy. 2nd Edn London: Sage.

Best wishes Jens