Counter

hello guys....first wonder if can make counter , d-latch arduino make project shown in image in attachment....i searched these think methods found complicating me started make simpler code know it's not perfect 1 think it's easy understand so....my question : "is there simple way right code ?.....and in advance

code: [select]


const int led1=7;
const int led2=8;
const int button1=3;
const int button2=5;
int i=0;
int z=0;
double counter=0;
int b1s;
int b2s;

void setup()
{
  pinmode(led1, output);
  pinmode(led2, output);
  pinmode(button1, input);
  pinmode(button2, input);
}

void loop()
{
  b1s=digitalread(button1);
  b2s=digitalread(button2);
 
  if(b1s==high&&b2s==low){i=1;}
  if(i==1){digitalwrite(led1,high); digitalwrite(led2,low); counter++;}
  else if(i==0 && z==0){digitalwrite(led1,low); digitalwrite(led2,low);}

  if(b2s==high&&b1s==low){z=1; i=0;}
  if(z==1)
  {
    if(counter != 0){digitalwrite(led1,low); digitalwrite(led2,high); counter--;}
    else if(counter == 0){digitalwrite(led1,low); digitalwrite(led2,low); z=0;}
  }

}



a class homework problem?

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