Keyboard every time is in READ state.
I looked in other people source code it's:
attachInterrupt(irq_num, interrupt, FALLING);
So I think YES.
Now Arduino can receive data from keyboard.
And now i want to send some data.. So if i want write 1) 2) 3) steps in code I need to write:
digitalWrite(irq_pin, HIGH) ;
Does I'm correct ?
Just one question. It's INPUT.. how can i send LOW or HIGH. I though it's possible only with OUTPUT.