MultiFloorLift - F1-F2

local inS = "right"
local otS = "left"
local udS = "back"
h = io.open("counter", "w")

function Pulse(nColors)
  rs.setBundledOutput(otS, nColors)
  sleep(0.2)
  rs.setBundledOutput(otS, 0)
end

h:write("2")
h:close()

while true do
  if rs.getInput(udS) == true then
    shell.run("1floor-drv")
  else
    Pulse(colors.yellow)
    sleep(0.2)
    shell.run("1floor-drv")
  end
end