if(oldEncPos != encoderPos) {
    Serial.print(" ROT_SW[");  Serial.print(encoderPos);  Serial.print("] ");  
    oldEncPos = encoderPos;
    
     Serial.print("#550 CLK_AAdafruit_PWMServoDriver: #[");  Serial.print(encoderPos);  Serial.println(" ] ");   
     //Adafruit_PWMServoDriver_0X40.setPWM(1, 0, map(encoderPos, 0, 180, SERVOMIN, SERVOMAX));
     Adafruit_PWMServoDriver_0X40.setPWM(2, encoderPos * 5, encoderPos * 5);

  }