void setup() {
 for (int i=0;i<numDigits;i++)
 {
  pinMode(digitPins[i],OUTPUT);
  digitalWrite(digitPins[i],1);  //COMMON_CATHODE
 }
 for (int i=0;i<numSegments;i++)
 {
  pinMode(segmentPins[i],OUTPUT);
  digitalWrite(segmentPins[i],0);
}
  Serial.begin(115200);
  Serial.println("debut");
}