ps2 barcode scanner using instantly

I want to run it when i want.

And how is the Arduino supposed to know when that is?

But it doesn't work.

We've hired a psychic who will be able to determine what the code actually does without seeing it, and how that differs from what you want, without you having to describe that.

His start date is the 12th of never. If you need help before then, there are some things you need to do.