Circuit crafting

while true do
  if turtle.getItemCount() > 0 then
    turtle.transferTo(5, turtle.getItemCount() / 2)
    turtle.transferTo(7)
    turtle.select(3)
    turtle.transferTo(6)
    turtle.select(4)
    turtle.transferTo(10)
    turtle.select(10)
    while turtle.getItemCount() > 0 do
      turtle.select(1)
      turtle.craft()
      turtle.dropDown()
      turtle.select(10)
    end
    turtle.select(1)
  else
    os.sleep(0.5)
  end
end