If this template helps then use it. If not then just delete and start from scratch.
PsychoPy version 1.90.2
Standard Standalone? (y/n) yes
What are you trying to achieve?:
I have built a behavioral experiment. the procedure is in the attachment. I want to add the TMS stimulation at the onset of the second image and end the offset of the second image.
So how to use the parallel port component? could you give me a template?
Because I am a novice. I hope the answer can be more detail.