51 Single-chip PWM control of LED lights become bright procedures gradually eliminate the use of timer control variable PWM duty cycle generated wave by K1, PWM values increase, then decrease the duty cycle, LED lights dimming. By K2, PWM value decrease, then increase the duty cycle, LED lights become bright. When the PWM value to the maximum value or decrease to the minimum value, the buzzer will alarm resources: p0 mouth, 8-way light. p1.4, p1.5 brightness control button (port keys) p3.7 small speaker alarm

Packet : 53607895ledpmw.rar filelist
LEDPMW.c

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