equipturtle

-- Scan inventory to find dispenser
local function findDispenserSlot()
  for i = 1, 16 do
    local item = turtle.getItemDetail(i)
    if item and item.name == "minecraft:dispenser" then
      return i
    end
  end
  return nil
end

-- Place dispenser below facing up
local function placeDispenserDown(slot)
  turtle.select(slot)
  turtle.placeDown()
end

-- Move back, dig, and go down
local function moveToDispenser()
  turtle.back()
  turtle.digDown()
  turtle.down()
end

-- Fill dispenser with contents of inventory
local function fillDispenser()
  for i = 1, 16 do
    if i ~= dispenserSlot then
      turtle.select(i)
      turtle.dropUp()
    end
  end
end

-- Send redstone signal in front four times
local function triggerDispenser()
  for i = 1, 4 do
    redstone.setOutput("front", true)
    os.sleep(0.1)
    redstone.setOutput("front", false)
    os.sleep(0.5)
  end
end

-- Main program
local dispenserSlot = findDispenserSlot()
if dispenserSlot then
  placeDispenserDown(dispenserSlot)
  moveToDispenser()
  fillDispenser()
  triggerDispenser()
  print("Program completed successfully.")
else
  print("No dispenser found in inventory.")
end