數位看板樣板
許主任的相簿
https://docs.google.com/presentation/d/e/2PACX-1vQ2JTHD-1RXewCkVlKGgiH9hUYP6VJWC00Tb_EwdzRk-6Rucqri82V8Y89sE-a3vbn-XJTJEe17f2zg/pub?start=true&loop=true&delayms=3000