How do I get in the house?

Hint 1 of 12:

First, go in front of the house.

Hint 2 of 12:

Wait until the loud speaker says "Unfortunately, there's a radio connected to
my brain".

Hint 3 of 12:

Now head north.

Hint 4 of 12:

Notice that the barn door, which was previously closed, is now open.