ledBlink.cpp

#define BLINK_DELAY 100 //ms between blinks
#define BLINK_PAUSE 3 //3x DELAY for pause

void blinkDigit(byte digit) {
  for(byte i=0; i<digit; i++) {
    digitalWrite(LED_BUILTIN, HIGH);
    delay(BLINK_DELAY);
    digitalWrite(LED_BUILTIN, LOW);
    delay(BLINK_DELAY);
  }
  delay(BLINK_DELAY*BLINK_PAUSE);
}

void blinkNumber(float number) {
  float numberC = 1000;
  for(byte ndigit=6; ndigit>0; ndigit--) {
    blinkDigit(number / numberC);
    number -= ((int)(number / numberC) * numberC);
    numberC /= 10;
  }
}

//Min: 0.01; Max: 9999.99