Turtle

rednet.open("left")
  local i = 1
  repeat
    local sEvent, param = os.pullEvent("key")
    if sEvent == "key" then
      if param == 17 then
        rednet.broadcast("forwards")
        end
      if param == 30 then
        rednet.broadcast("left")
        end
      if param == 32 then
        rednet.broadcast("right")
        end
        if param == 31 then
        rednet.broadcast("back")
        sleep(.2)
        end
       end
     until i == 2