 
 void Deliver_Reward(int well) {
   TurnOnPump(well);
-//  Serial.println("<Delivering Reward");
-//  Serial.println(">");
 }
 
 void TurnOnPump(int well) {
   // set pump to on & set pump timer
   digitalWrite(Pumps_Pins[well], Pump_ON);
+  digitalWrite(TTL_RD_Pin,HIGH);
   Pump_State[well] = true;
   PumpTimeRef[well] = millis();
   PumpTimer[well] = 0;

    SerialState = false;
    reset_states();
    TurnCueOff();
  }
}

/*************************************
  ISR routines for IR well detection

  int well = SerialReadNum();
  if (well >= 0 && well <= 5) {
    TurnOnPump(well);
    return well;
  }
  else {
