介绍了HC 40 0可逆冷轧机液压压下厚度计算机控制系统的总体组成，并较详细地介绍了厚度闭环用的STD工控机硬件和软件设计。
The composition of the hydraulic gauge computer control system for HC 400 reversing cold mill is introduced. The hardware and software designs of STD industrial control computer are described.
玩具电子化、智能化是一个不可逆转的趋势。本文结合单片机应用原理，描述了设计的硬件电路和红外线遥控接收算法。
Electronic and intelligent is the trend for modern toys. This paper describes its control circuit and the infrared ray receiving algorithm.
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