#include <Servo.h>

int incomingByte;

Servo Xservo;
Servo Yservo;

int xpos = 0;
int ypos = 0;

void setup()
{
Serial.begin(9600);
Xservo.attach(6);
Yservo.attach(5);
ypos = 90;
xpos = 90;
}


void refresh(){
 Xservo.write(xpos);
 Yservo.write(ypos);
}

void loop()
{
refresh();

 if (Serial.available() > 0) {
      incomingByte = Serial.read();

   if (incomingByte == 'U') {
      ypos = ypos - 10;
      refresh();
      }
   if (incomingByte == 'D') {
      ypos = ypos + 10;
      refresh();
      }
  if (incomingByte == 'L') {
      xpos = xpos + 10;
      refresh();
      }
  if (incomingByte == 'R') {
      xpos = xpos - 10;
      refresh();
      }
  if (incomingByte == 'C') {
      xpos = 90;
      ypos = 90;
      refresh();
      }
}
}