Digital control circuit takes charge of controlling the working course. it consists of AT89S51, double-figured common-cathoded numeral display, buttons, buzzer, LEDs.
3
本设计还加入了常用的数码管显示及状态灯显示灯常用电路，使得整个设计更加完整，更加灵活。
The design also joined the commonly used digital control and status lights that indicate lights commonly used circuit, making the whole more complete and more humane.
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