local rstools = require("mpm.rstools")
--create door interface
local door = rstools.digital("output", "abcd-...", "north", "blue")
--We want "door open" to be "true", but it's a piston door.
door = door.inverted
--open door
door(true)
--close door
door(false)
--print door status
print(door() and "opened" or "closed")
--a method
door:toggle()