These three devices were all controlled by a single computer chip, and the cost of materials was less than NT $ 1,000. The invention's highly practical use set it apart from the rest of the pack, earning the team a NT $ 30,000 prize.
三項設計全由一個電腦晶片控制，材料成本不到一千元，實用性高，因此脫穎而出，得到三萬元獎金。