local chestSide = "front"  -- ID yly lokacija sunduka

local monitorSide = "top"  -- ID yly lokacija monitora






































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































function countItems()
    local count = 0
	local chest = peripheral.wrap(chestSide)
    for slot = 1, chest.size() do
        count = count + chest.getItemDetail(slot).count
    end

    return count
end

function displayCount(count)
    local monitor = peripheral.wrap(monitorSide)

    monitor.clear()

    monitor.setTextColor(colors.white)
    monitor.setBackgroundColor(colors.black)

    monitor.setCursorPos(1, 1)
    monitor.write("Items: ")
	monitor.setCursorPos(2, 2)
    monitor.write(count)
end

-- Main program
while true do
    local itemCount = countItems()
    displayCount(itemCount)
    sleep(5) -- vremy mezhdu proverkami
end