Ÿ 20ð ȵ˴ϴ. ...
ư ʰ LED ȵ ̺ žƵ ʴ .
ͳ ãƺ Ϸκ 1 ȿ ƴ AS ȴ Ͽ ASû ߽ϴ.
ҷ Ͽ 帮 Ŀ ǰ ƴ϶ ƿ ǰ ֳ;
ŧ źе ǰ ð ASغø Űϴ.
ũ AS
嵵߾ȳ Ȯϰ ִ κ Ѱ ϳ ;
ȣ ũ ~
asִ° ְ ε
ũƳ ̻ڰ as ְ
ε as ȮѰ ְ