Introduction

For this semester we'll do an a alarm of the windows and dorrs of the airplane.
this can help us to know if this doors or windows its open.
Sometimes, but irregulary can happend tath this things could be wrong and some of this can be very mortal.
in aeronautic we need be able to fix all of this situatuions. and do all the parts, like this alram, very trustful.

in the fly we canot opne the door, and if someone try it, the alarm began to ring on the cabin.
inmediatly the personal of the fly will try to cath this person.