Heißer Draht mit sieben Segment Anzeige und Attiny 44 bauen

int fehler = 0 ;

void setup()
{
	pinMode( 7 , INPUT);
	pinMode( 9 , OUTPUT);
	pinMode( 10 , OUTPUT);
	pinMode( 0 , OUTPUT);
	pinMode( 1 , OUTPUT);
	pinMode( 2 , OUTPUT);
	pinMode( 3 , OUTPUT);
	pinMode( 4 , OUTPUT);
	pinMode( 5 , OUTPUT);
	pinMode( 6 , OUTPUT);
	fehler = 0 ;

}

void loop()
{
	if (	digitalRead( 7))
	{
		fehler = ( fehler + 1 ) ;
		delay( 5 );
		digitalWrite( 9 , HIGH );
		digitalWrite( 10 , HIGH );
		delay( 1000 );
		digitalWrite( 9 , LOW );
		digitalWrite( 10 , LOW );
	}
	if (( ( fehler ) == ( 0 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , HIGH );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , LOW );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 10 );
	}
	if (( ( fehler ) == ( 1 ) ))
	{
		digitalWrite( 0 , HIGH );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , HIGH );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , HIGH );
		digitalWrite( 6 , HIGH );
		delay( 5 );
	}
	if (( ( fehler ) == ( 2 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , HIGH );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , LOW );
		digitalWrite( 5 , HIGH );
		digitalWrite( 6 , LOW );
		delay( 5 );
	}
	if (( ( fehler ) == ( 3 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , HIGH );
		digitalWrite( 6 , LOW );
		delay( 10 );
	}
	if (( ( fehler ) == ( 4 ) ))
	{
		digitalWrite( 0 , HIGH );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , HIGH );
		delay( 5 );
	}
	if (( ( fehler ) == ( 5 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , HIGH );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 5 );
	}
	if (( ( fehler ) == ( 6 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , HIGH );
		digitalWrite( 4 , LOW );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 10 );
	}
	if (( ( fehler ) == ( 7 ) ))
	{
		digitalWrite( 0 , HIGH );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , HIGH );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , HIGH );
		digitalWrite( 6 , LOW );
		delay( 5 );
	}
	if (( ( fehler ) == ( 8 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , LOW );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 5 );
	}
	if (( ( fehler ) == ( 9 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , LOW );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , HIGH );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 10 );
	}
	if (( ( fehler ) == ( 10 ) ))
	{
		digitalWrite( 0 , LOW );
		digitalWrite( 1 , LOW );
		digitalWrite( 2 , HIGH );
		digitalWrite( 3 , LOW );
		digitalWrite( 4 , LOW );
		digitalWrite( 5 , LOW );
		digitalWrite( 6 , LOW );
		delay( 5 );
		VAR_1_fehler = 0 ;
		digitalWrite( 9 , HIGH );
		digitalWrite( 10 , HIGH );
		delay( 3000 );
		digitalWrite( 9 , LOW );
		digitalWrite( 10 , LOW );
	}
}