遥控车收发程序：包括两个无线模块，分别用块单片机控制（发送和接受）；程序中可设置接受的密码，防止其他无线信号干扰。接收的程序中的解码需要与发送程序中的密码一致才能成功接收，单片机根据接受内容控制lm298驱动电机转动，使小车运动-Remote control cars send and receive procedures: including two wireless modules, respectively MCU control block (send and receive)　the program can be set to accept the password, to prevent interference with other wireless signals. Receive the decoding process needs the password and send the same program can be successfully received, to accept the contents of microcontroller based control lm298 drive motor rotation, so that sports car