串口万年历，有农历换算，通过单片机传到上位机串口助手界面，有定时，闹铃，时钟。

Serial calendar, there are Lunar conversion, spread through the microcontroller serial port PC interface aides have time, alarm, clock.

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ZLG7290键盘驱动程序。按下按键，在串口调试助手中输入b，在窗口中立即出现按键所对应的数值。

Press the button, serial debugging aides in the type b, appear in the window corresponding to the numerical keys.

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ZLG7290键盘驱动程序。按下按键，在串口调试助手中输入b，在窗口中立即出现按键所对应的数值。

Press the button, serial debugging aides in the type b, appear in the window corresponding to the numerical keys.

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