p8-8 ex1

 int led_pin=2;

int analog_pin = 0;

int value;

void setup() 

{

  Serial.begin(9600);

 pinMode(led_pin,OUTPUT);

}

void loop()

{

 value=analogRead(analog_pin);

 value=map(value,0,1023,0,100);

 Serial.println(100-value);

 digitalWrite(led_pin,HIGH);delay(100-value);

 digitalWrite(led_pin,LOW);delay(100-value);

}