/*  ===================================
 *  Arduino Demo
 *
 *  by computerarchiv-muenchen.de
 *
 *  http://demo96.makercafe-muenchen.de
 *  ===================================
 */


void setup() {
  pinMode( A0, OUTPUT );
}

void loop() {
  analogWrite( A0, 255 );
  delay( 500 );
  analogWrite( A0, 0 );
  delay( 500 );
}