// Driving a DC Motor 
// by BARRAGAN <http://barraganstudio.com> 

int motorpin = 0;  // L293D Pin En1 connected to pin PWM 0 
 
void setup() 
{ 
  // nothing for setup 
} 
 
void loop() { 
  analogWrite(motorpin, 512);  // turn ON the Motor at medium speed 
  delay(100);                  
}