51单片机控制产生4路标准舵机PWM（周期20ms，脉宽1~2ms,分辨率0.001ms)的代码，含有与PC的通讯功能，通讯严格握手，测试可靠。keil平台开发，包含串口通讯的指令定义和说明-51 single-chip microcomputer to control the steering gear have a 4-way standard PWM (cycle 20ms, pulse width 1 ~ 2ms, resolution of 0.001ms) code, which c