craftFromBlock

while true do
  print("waiting for input signal")
  os.pullEvent("redstone")
  if redstone.getInput("right")==true then
    print("crafting...")
    for i=1,16 do
        turtle.select(i)
        turtle.dropDown()
    end
    turtle.select(1)
    while turtle.getItemCount(1)==0 do
        redstone.setOutput("top",true)
        sleep(1)
        redstone.setOutput("top",false)
        sleep(1)
    end
    turtle.select(16)
    turtle.craft()
    for i=1,16 do
        turtle.select(i)
        turtle.dropDown()
    end
  end
end