说明：  趣味电子小制作50例，刚刚学会单片机手痒吧？见证自几的实力的机会到了！一起来制作吧！ 想参加校内比赛没有想法吗？快来借鉴一下吧！ 成为电子大触第一步，从实践做起！
(Interesting electronic small production 50 cases, just learned single-chip itch? It is time to witness the strength of several! Let's make it together! Do you have any idea to participate in the school competition? Come and learn from it! Be the first step in becoming a big step in electronics and start from practice!)