dc

local signal = false
local time = 4
local side = "front"
rednet.open("back")

term.clear()
term.setCursorPos(1,1)
print("Waiting for a redstone signal on the " .. side)
print("Door is closed!")

function run()
 signal = redstone.getInput(side)
 if signal then
  print("Opening the door!")
  rednet.broadcast("open")
  sleep(time)
  print("Closing the door!")
  rednet.broadcast("close")
  sleep(1)
 end
 sleep(0.5)
end


while true do
 run()
end