Fan/sound testing 風與聲音小實驗
使用Capacitor（ceramic）陶瓷電容器
電容器之電氣記號
Fan testing 使用電池傳電給小風扇實驗
開關水銀－適合如鋼琴，上下移動式的裝置
Variable Resistor 有軸式可變電阻 : 以對數特性變化
人類耳朵的感度特性與此類曲線近似，所以音響（Audio）相關線路，使用此型，而電視機，收音機及音響音量調整用Volume
也用這種
圖片源自
參考：建興 新電子入門書
可變電阻器之電氣記號
（Old symbol舊的）
使用蜂鳴器（Buzzer）聲音實驗
My note
Posted at 6:32 pm on November 15, 2009 | leave a comment | Filed Under: Arduino works, Technology Art 科技藝術 | read on
Digital I/O
I was worried will lost all my learning process before once my hard disk died, trying to upload as many work as i can and try to save them into internet before i lose anything. Here is the very old work back in foundation of the The Design of Entertainment Engineering Art in my department.
