Simple_GantryController

local status = "waiting"
local InputDir = "left"
local InterfaceDir = "top"
local GantryDir = "bottom"

function MoveGantry()
    redstone.setAnalogueOutput(GantryDir, 15)
    redstone.setAnalogueOutput(InterfaceDir, 15)
    os.sleep(60)
    redstone.setAnalogueOutput(GantryDir, 0)
    redstone.setAnalogueOutput(InterfaceDir, 0)
end

while true do
    if redstone.getAnalogueInput(InputDir) > 0 then
        MoveGantry()
    end
    os.sleep(0.5)
end