16 December 2006 14:30
Motor-controlling PWMs
一個脈寬調變(Pulse-width Modulation, PWM)訊號可控制一顆 DC motor 轉速,或決定一具 servo motor 的方向、位置或轉速。在複雜的機器人身上,常用上好幾顆馬達,因而能以一顆微控制器(microcontroller, uC)產生多組 PWM 訊號是非常實用的。
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(1 marks)
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