Designing a new automatic door opening system

[Ben Grapevine]

What about closing it?

I would design a piston

[Ad Bot]

[Flamecannon]

YOU KNOW WHY HE WANTS TO DO IT?!
"Mr. Smithers, your acquaintance would like to enter your office."
"Page him in."
BZZZ SWOOSH
*stares at window, then turns chair and rests feet on desk*

[Brian Smithers]

YOU KNOW WHY HE WANTS TO DO IT?!
"Mr. Smithers, your acquaintance would like to enter your office."
"Page him in."
BZZZ SWOOSH
*stares at window, then turns chair and rests feet on desk*

Awww yeah.

Anyway, just drew designs for it, also made a graph of the circuit.