launchpadDoor.lua

sliders = {
  up = "right",
  down = "top",
  left = "left",
  right = "bottom"
}

modem = peripheral.wrap("front")

sliders["up"] = "right"
sliders["down"] = "top"
sliders["left"] = "left"
sliders["right"] = "bottom"

function open()
  redstone.setOutput(sliders["right"],false)
  redstone.setOutput(sliders["up"],false)
  redstone.setOutput(sliders["down"],true)
  redstone.setOutput(sliders["left"],true)
end

function close()
  redstone.setOutput(sliders["down"],false)
  redstone.setOutput(sliders["left"],false)
  redstone.setOutput(sliders["right"],true)
  redstone.setOutput(sliders["up"],true)
end

modem.open(21337)

while true do
  evt,_,_,_,message = os.pullEvent("modem_message")
  if message == "door_launchpad_open" then open()
  elseif message == "door_launchpad_close" then close()
  end
end