// Activity 3 Jasmine Parcero 11-Alexandrite

int LED_PIN = 3; //the PMW pin the LED is attached to 

// the setup routine runs once when you press reset: 

void setup() {
   //initialize serial communication at 9600 bits per second: 
   Serial.begin(9600); 
   //declare LED pin to be an output: 
   pinMode (LED_PIN, OUTPUT);

}  

//the loop routine runs over and over again forever: 
void loop() {
  //reads the input on analog pin A0 (value between 0 and 255) 
  int analogValue = analogRead(A0); 
  
  // scales it to brightiness (value between 0 and 255) 
  int brightness = map (analogValue, 0, 1023, 0, 255); 
  // sets the brightness LED that connects to pin 3 
  analogWrite (LED_PIN, brightness);
   delay(100);

}