int led = 13;
int button = 7;
int pot = 0;
int tps;

int val;

void setup()
{
	pinMode(led,OUTPUT);
	pinMode(button,INPUT)
}

void loop()
{
	if(digitalRead(button)==HIGH)
	{
		val = analogRead(pot);
		digitalWrite(led,HIGH);
		delay(10);
		digitalWrite(led,LOW);
		tps = map(val, 0, 1023, 1000, 100);
		delay(tps);
	}

}