Convert the following sentence into a Boolean equation:

The elevator door should open if the elevator is stopped, it is level with the floor, and the timer has not expired, or if the elevator is stopped, it is level with the floor, and the door open button is pressed.

$-$Create a truth table by hand for the Boolean equation you develop.

$-$Draw out the circuit that represents your equation.

$-$Simulate the Boolean equation using a simulator program.