   temperaturePID.SetSampleTime(windowSize);
   
   Serial.begin(115200);
+
+  cmdMessenger.printLfCr();
+  cmdMessenger.sendCmd(kAcknowledge, "Arduino ready");
 }
 
 void loop () {

  kError,
  kFullStatus,
  kTemperature, 
  kPump,
  kHeater,
  kPIDStatus,
  kSetpoint,
  kPValue,
  kIValue,
};

void measureTemperature() {
  int index = analogRead(A0) - adcSubstract;

boolean heaterIsOn = LOW;
boolean pumpIsOn = LOW;


// Attach CmdMessenger
CmdMessenger cmdMessenger = CmdMessenger(Serial);

// Commands we send from the Arduino to be received on the PC
enum
