[proteus simulation] 74LS138 decoder water lamp

【Proteus Simulation 】74LS138 Decoder flow lamp

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• Related articles 《74LS138 Decoder truth table and fast calculation method 》

• Proteus Simulation
  

• 74LS138 Decoder truth table
  

Sample code

#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char

void Delay(uint x)
{
    
 	uchar i;
	while(x--)
	{
    
	 	for(i=0;i<120;i++);
	}
}

void main()
{
    
 	P2 = 0x00;
	while(1)
	{
    
	 	P2 = (P2+1)%8;
		Delay(500);
	}
}

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Simulation resources and program code

 link ：https://pan.baidu.com/s/1LUhvRK9ADBfZWS5zcVEUSA 
 Extraction code ：0dy8

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