int a=32;
int b=33;
int c=25;
int d=26;
int e=27;
int f=14;
int g=12;
int bt=35;
int btstate=0;
int bt_laststate=0;
int count=0;
void setup()
{
  pinMode(a,OUTPUT);
  pinMode(b,OUTPUT);
  pinMode(c,OUTPUT);
  pinMode(d,OUTPUT);
  pinMode(e,OUTPUT);
  pinMode(f,OUTPUT);
  pinMode(g,OUTPUT);
  pinMode(bt,INPUT);
  Serial.begin(115200);
}

void loop() {
  btstate=digitalRead(bt);// read the pushbutton input pin
 if(btstate!=bt_laststate) // compare the buttonState to its previous state
  //{
 // Serial.println(btstate);
  if(btstate==HIGH)
  {
  count++;// if the state has changed, increment the counter
   // if the current state is HIGH then the button goes from off to on
  if(count>9)count=0;
   Serial.println(count);
  }
  else 
  Serial.println("off");
  
switch(count)
{
case 0:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,HIGH);
break;

case 1:
digitalWrite(a,HIGH);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
break;
case 2:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,HIGH);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,HIGH);
digitalWrite(g,LOW);
break;
case 3:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,LOW);
break;
case 4:
digitalWrite(a,HIGH);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
break;
case 5:
digitalWrite(a,LOW);
digitalWrite(b,HIGH);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,HIGH);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
break;
case 6:
digitalWrite(a,LOW);
digitalWrite(b,HIGH);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
break;
case 7:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,HIGH);
digitalWrite(e,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
break;
case 8:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,LOW);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
break;
case 9:
digitalWrite(a,LOW);
digitalWrite(b,LOW);
digitalWrite(c,LOW);
digitalWrite(d,LOW);
digitalWrite(e,HIGH);
digitalWrite(f,LOW);
digitalWrite(g,LOW);
break;
}
  
  bt_laststate=btstate;
delay(10);
}