Crafter

local t = turtle
-- up = tin
-- down = copper
-- now recipe for 4 tin and 5 copper

function slotC(i)
 if t.getItemCount(i) < 1 then
  t.select(i)
  t.suckUp()
 else
  sleep(0.5)
 end
end

function slotT(i)
 if t.getItemCount(i) < 1 then
  t.select(i)
  t.suckDown()
 else
  sleep(0.5)
 end
end

function slotD(i)
 if t.getItemCount(i) < 1 then
  t.select(i)
  t.craft()
  t.drop()
 else
  sleep(0.5)
 end
end

function craft() -- recipe
 slotT(1)
 slotC(2)
 slotT(3)
 slotC(5)
 slotT(6)
 slotC(7)
 slotT(9)
 slotC(10)
 slotT(11)
 slotD(4)
end

while true do
 craft()
 sleep(1)
end