const int potentiometerPin = A0;  
const int led = 3;    
const int slidemeterPin = A1;   
const int led2 = 5; 

void setup() {
  pinMode(led, OUTPUT);
  pinMode(led2, OUTPUT);        
}

void loop() {
  int potentiometerValue = analogRead(potentiometerPin);
  int SlidemeterValue = analogRead(slidemeterPin);
  
  
  int ledBrightness = map(potentiometerValue, 0, 1023, 0, 255);
  int Brightness = map(SlidemeterValue, 0, 1023, 0, 255);
  
  
  analogWrite(led, ledBrightness);
  analogWrite(led2, Brightness);
}