自製空氣清淨機AC110V電扇
https://sites.google.com/nsysu.kksh.kh.edu.tw/air-pollution-pm25-monitoring/%E8%87%AA%E8%A3%BD%E7%A9%BA%E6%B0%A3%E6%B8%85%E6%B7%A8%E6%A9%9Fac110v%E9%9B%BB%E6%89%87
