void setup() {
  // put your setup code here, to run once:

Serial.begin(115200);
  for(int i=2;i<=9;i++)
    pinMode(i, OUTPUT);

}
unsigned long leddelay=0;
int count=0;
void loop() {
  // put your main code here, to run repeatedly:


if(millis()-leddelay>=1000)
{
  leddelay=millis();
  count=(count+1)%8;

  Serial.print("count=");Serial.println(count);

}

 /* for (int i=2;i<=9;i++)
  {
      digitalWrite(i, HIGH);
      delay(200);
      digitalWrite(i, LOW);

  }*/

}