int a=21;//green
int b=19;// orange
int c=13;//rose
int d=12;//yellow
int e=14;//white
int f=27;//blue
int g=26;//gray
void setup(){
pinMode(a, OUTPUT);
pinMode(b, OUTPUT);
pinMode(c, OUTPUT);
pinMode(d, OUTPUT);
pinMode(e, OUTPUT);
pinMode(f, OUTPUT);
pinMode(g, OUTPUT);
}
void loop (){
// for 0
digitalWrite( a ,LOW);
digitalWrite( b ,LOW);
digitalWrite( c ,LOW);
digitalWrite( d ,LOW);
digitalWrite( e ,LOW);
digitalWrite( f ,LOW);
digitalWrite( g , HIGH);
delay(1000);
// for 1
digitalWrite( a ,HIGH);
digitalWrite( b ,LOW);
digitalWrite( c ,LOW);
digitalWrite( d ,HIGH);
digitalWrite( e ,HIGH);
digitalWrite( f ,HIGH);
digitalWrite( g , HIGH);
delay(1000);
//for 2
digitalWrite( a , 0 ); // 1==high , 0==low
digitalWrite( b , 0);
digitalWrite( c , 1);
digitalWrite( d , 0);
digitalWrite( e , 0);
digitalWrite( f , 1 );
digitalWrite( g, 0);
delay(1000);
//for 3
digitalWrite( a ,0 );
digitalWrite( b , 0 );
digitalWrite( c , 0 );
digitalWrite( d , 0 );
digitalWrite( e , 1 );
digitalWrite( f , 1 );
digitalWrite( g, 0 );
delay(1000);
//for 4
digitalWrite( a , 1 );
digitalWrite( b , 0 );
digitalWrite( c , 0 );
digitalWrite( d , 1 );
digitalWrite( e , 1 );
digitalWrite( f , 0 );
digitalWrite( g, 0);
delay(1000);
//for 5
digitalWrite( a , 0 );
digitalWrite( b , 1 );
digitalWrite( c , 0 );
digitalWrite( d , 0 );
digitalWrite( e , 1 );
digitalWrite( f , 0 );
digitalWrite( g, 0 );
delay(1000);
//for 6
digitalWrite( a , 0 );
digitalWrite( b , 1 );
digitalWrite( c , 0 );
digitalWrite( d , 0);
digitalWrite( e , 0);
digitalWrite( f , 0 );
digitalWrite( g, 0 );
delay(1000);
//for 7
digitalWrite( a , 0 );
digitalWrite( b , 0 );
digitalWrite( c , 0);
digitalWrite( d , 1 );
digitalWrite( e , 1 );
digitalWrite( f , 1 );
digitalWrite( g, 1 );
delay(1000);
//for 8
digitalWrite( a , 0 );
digitalWrite( b , 0 );
digitalWrite( c , 0 );
digitalWrite( d , 0 );
digitalWrite( e , 0 );
digitalWrite( f , 0 );
digitalWrite( g, 0);
delay(1000);
//for 9
digitalWrite( a , 0 );
digitalWrite( b , 0 );
digitalWrite( c , 0 );
digitalWrite( d , 1 );
digitalWrite( e , 1 );
digitalWrite( f , 0 );
digitalWrite( g, 0);
delay(1000);
}