    7 -> red + yellow + green
    */
 int LEDBreathingState = 0;
-int LEDRedValue = 0;
-int LEDYellowValue = 0;
-int LEDGreenValue = 0;
 
 void setup() {
   Serial.begin(9600);

  ml = mm3 / 1000;
  stepperTargetPosition = ml * STEPS_PER_ML;
  stepperTargetPosition = clamp(stepperTargetPosition, 0, STEPPER_MAX_POSITION);
}

void checkSerial() {

      stepperCurrentPosition = clamp(val, 0, STEPPER_MAX_POSITION);
      stepperTargetPosition  = clamp(val, 0, STEPPER_MAX_POSITION);
      EEPROM.put(EEPROM_STEPPER_ADDR, stepperCurrentPosition);
    } else if (command == "temperature") {
      setTemperature(val);
    } else {
      Serial.println("Command not understood!");
    }
