pulse

/*
  Fred Chasen
 
  Pulse Light
 */
 
// Connect to Pin 11, for analog
int led = 11;
int minamount = 5;
int x = minamount;
int sign = 1;

void setup() {                
  //Serial.begin(9600);
}

void loop() {
  
  analogWrite(led, x);   
  delay(10);               
    x = x + sign;
    
    if(x > 255 || x < minamount){
     sign = sign * -1;
    }
    
    //Serial.println(x); 
}