startup

rednet.open("back")

while true do
  event, id, message = os.pullEvent()
  if event == "rednet_message" then
    if message == "open01" then
      for i = 0, 4, 1 do
        rs.setOutput("bottom", true)
        sleep(1)
        rs.setOutput("bottom", false)
        sleep(1)
      end
        print(id.." requested open")
    end
  end
end