运用单片机、共阳数码管以及少量电阻电容等元器件设计出基于单片机与PC机的串行通信电路，并用C语言编程对其进行控制；要求PC机模拟发射，单片机接收，并将接收的内容在数码管上显示出来。-The use of single-chip, as well as a small amount of common anode digital components such as resistors and capacitors serial communication circuit design based