บทที่ 3 การจัดการกับ Sensors 3-%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b8%88%e0%b8%b1%e0%b8%94%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b8%81%e0%b8%b1%e0%b8%9a%e0%b8%ad%e0%b8%b8%e0%b8%9b%e0%b8%81%e0%b8%a3%e0%b8%93%e0%b9%8c%e0%b9%80%e0%b8%8a%e0%b8%b7
