dest = 16
me = 15
sleep = 1

modem = peripheral.find("modem")
inv = peripheral.wrap("left")
items = {}

if not modem.isOpen(me) then
    modem.open(me)
end

function check_inv()
    items = {}
    totalCount = 0
    for k, v in pairs(inv.list()) do
        details = inv.getItemMeta(k)
        items[k] = { slot = k, count = v.count, name = details.displayName }
        print(k .. ": " .. v.count .. "x " .. details.displayName)
        totalCount = totalCount + v.count
    end
    print("Container has " .. totalCount .. " items")
    modem.transmit(dest, me, items)
end

while true do
    check_inv()
    os.sleep(sleep)
end