3.20.2012

Voice-Activated Car 聲控小車

We have kids to plan for and build a voice-actived car. Car moves forwards and backwards while kids shout. The wind turbine direction also changes accordingly.
這星期的工作坊和小朋友一起計劃及建造這聲控小車。小朋友叫一聲,小車向前;小朋友再叫一聲,小車向後。小風車的轉向也隨之而轉變。