3.21.2012

Noise from Motor 電機的噪音

Noice from motor affects the voice sensor. Kids suggest to wrap the motor with plastic sheets, for reducinng the noice. Not a bad idea !
電機的噪音太大了罷,干擾了聲音感應器,小朋友動動腦肋用膠紙包著電機以減低聲浪,效果不俗。