STC12单片机自带PWM控制电机 PCA定时 LCD1602显示的码盘测速 小车程序完整版 以调试通过-STC12 MCU comes with PWM control motor PCA Timer LCD1602 display the code disk full version of speed car to debug through the program

c8051f020单片机PCA程序代码，已上机验证程序可直接使用，并关键部分有注释-c8051f020 SCM PCA program code, the program has been verified on the machine can be used directly, and a key part of the annotated