็ด
ๅค็ทIRๆฌ่บซ่็ผ็ไธ่ฆ๏ผไฝ็ด่ฆๆๆๅฎณ่ฆๅใ้ฃๆฏๅฆๆๅไธๆ่ฉฒ็็้ไฝไธญ็IC pad?
Infrared (IR) light is invisible to the naked eye, but looking directly at it can damage eyesight. Does that mean we shouldn't look at a functioning IC pad?