单片机通过串口给仿真中的上位机发送字符，根据字符摆放外置的不同，拼装成汉字或图片。距离可以进一步理解液晶显示原理。-

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Single-chip through the serial port to the simulation of the host computer to send characters, according to the external character placed in different, assembled into Chinese characters or pictures. Distance can further understand the principle of liquid crystal display.