Timer can use a different frequency pulses of different frequency pulse amplification by the speaker drive circuit filter, will emit different tones.
利用定时器可发出不同频率的脉冲，不同频率的脉冲经喇叭驱动电路放大滤波后，就会发出不同音调。
A timer called a clock releases precisely timed electrical signals that provide a regular pulse from the processor's work.
一个称作时钟的计时器准确地发出定时电信号，该信号为处理器工作提供有规律的脉冲。
In this article several operation modes of the 555 timer applied to the pulse Modulation (PM) and their corresponding operation characteristics are expounded.
本文阐述了555时基电路用于脉冲调制(PM)的几种工作模式及其相应的工作特点。
Then, the interrupt of the single chip timer had been used to time precisely, and the Hall pulse number had been counted in unit time.
采用霍尔传感器采集液压泵旋转产生的脉冲，结合单片机定时器的中断来精确计时，并对单位时间内的霍尔脉冲数进行统计。
The hour signal lamp is lit by the time pulse which is interpreted from the electronic timer fixed on the distributor.
配电盘上装有电子表，从中译出时脉冲来点燃时号灯。
The hour signal lamp is lit by the time pulse which is interpreted from the electronic timer fixed on the distributor.
配电盘上装有电子表，从中译出时脉冲来点燃时号灯。
应用推荐