The digital PWM speed controller based on the DC motor PWM speed regulating theory and using a 16 bit microcomputer 80C196KB/KC as the central control chip, was presented.

介绍了以十六位单片机80C196KB/KC作为中心控制芯片，结合直流电机PWM调速原理制成的数字直流PWM调速控制器。

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Crain told the group he looked to his sons, Chris and KC, to help navigate the family business as the media industry goes digital.

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