2 or more PIR sensors controlling one buzzer

Please correct your post above and add code tags around your code (not a table or whatever)
[code]`` [color=blue]// your code is here[/color] ``[/code].

It should look like this:// your code is here
(Also press ctrl-T (PC) or cmd-T (Mac) in the IDE before copying to indent your code properly)
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When I read the code and the comment I have a weird feelingif ( (val1 == LOW) or (val == LOW) ) {            // check if the input is HIGH
How are things wired and powered? PIR need a quiet time to calibrate. I don’t see that in the setup.

How do you handle PIR1 being triggered then PIR2 begin triggered then PIR1 going idle ? What happens to you pirState variable?