Description: # include <reg51.h> void delay (unsigned int z) // Delay function statement sbit beep = P2 ^ 7 void main () the number of (while (1) (beep = 0 // buzzer ring delay (1) // call 1ms delay beep = 1 // buzzer did not ring delay (1) // call the 1ms delay)) void delay (unsigned int z)// 1ms delay, change the delay through the z value (unsigned int x for ( z> 0 z-) for (x = 110 x> 0 x-) )
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