| 062-816-8816 เบล | 082-750-1309 ก้อย | 081-328-9248 นิด | 062-614-1777 เบียร์ | 099-324-8855 เชอร์รี่ |
|
LED คืออะไร? หลักการทำงาน ข้อดี และเหตุผลที่กลายเป็นเทคโนโลยีแสงสว่าง LED (Light Emitting Diode) คืออุปกรณ์อิเล็กทรอนิกส์ชนิดหนึ่งที่สามารถเปล่งแสงได้เมื่อมีกระแสไฟฟ้าไหลผ่านวัสดุสารกึ่งตัวนำภายใน แสงที่เกิดขึ้นมีประสิทธิภาพสูง ใช้พลังงานน้อย และมีอายุการใช้งานยาวกว่าหลอดไฟหลายประเภท ทำให้ LED [...]
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