UraniumChest Counter/Computer ID:19

while true do

mon = peripheral.find("monitor")
chest = peripheral.wrap("top")
items = chest.list()
totalCount = 0
for slot, item in pairs(items) do
    totalCount = totalCount + (item.count or 0)
end

-- Contagem no Monitor
mon.clear()
mon.setCursorPos(1,1)
mon.setTextColor(colors.lime)
mon.write("Uranium:")
mon.setCursorPos(1,3)
mon.setTextColor(colors.white)
mon.write(totalCount.."/576")
sleep(0.3)
end