USB与串口通信的程序中单片机的源码，用keil编写，采用51单片机.-USB and serial communication program source MCU, using keil prepared, using 51 single-chip microcomputer.

51单片机小车红外避障源码 适用于喜爱研究单片机的人士 科技创新大赛等-51 single chip car infrared obstacle avoidance source code for people who like to study the single chip computer science and technology innovation contest, etc.