PWM_motor 驱动直流电机

PWM驱动直流电机程序/*用PWM控制电机脉冲频率应控制在25HZ～35HZ之间*/ /*定时1ms,1个周期30ms,脉冲频率为33HZ */ /* */ #include typedefunsignedcharuchar; sbitP0_0=P0^0; sbitP0_1=P0^1; sbitP0_2=P0^2; sbitP0_3=P0^3; sbitP0_4=P0^4; sbitP2_0=P2^0; sbit