PWM调制灯光亮度相关资料推荐

相关代码：#include “STC15F2K60S2.h”***it L1 = P0^0;***it S7 = P3^0;unsigned char count;unsigned char pwm;unsigned char mode;void Delay(unsigned char t){while(t–);}void cKey(){if(S7 == 0){Delay(200);if(S7 == 0){switch(mode){case 0:pwm = 10;TR