#include <analogWrite.h>
// Potentiometer is connected to GPIO 15 or A0
const int potPin = 15;    //May be change according to your connections
const int LEDPin=5;
// setting PWM properties
const int freq = 5000;
const int ledChannel = 0;
const int resolution = 8;
 
// The value of potentiometer is being stored in this vairable
int ValuePot = 0;
int brightness=0;
void setup() {
  Serial.begin(115200);
  delay(1000);
  ledcSetup(ledChannel, freq, resolution);
  // attach the channel to the GPIO to be controlled
  ledcAttachPin(LEDPin, ledChannel);
}

void loop() {
  
  // Reading potentiometer value
  ValuePot = analogRead(potPin);        //AnalogRead function o get value of Potentiometer
  brightness=ValuePot/16;
  // analogWrite(LEDPin,brightness);
   ledcWrite(LEDPin,brightness);
  
   Serial.println(ValuePot);
   Serial.println("\nLED value");
   Serial.println(brightness);
   for(int dutyCycle =0 ; dutyCycle<=brightness; dutyCycle++){   
    // changing the LED brightness with PWM
    ledcWrite(ledChannel, dutyCycle);
 
  }

   
   
   
  
  //Serial.println(ValuePot);              //To print the value of Potentiometer
  delay(500);
}

















// the number of the LED pin
//const int ledPin = 4;  // 16 corresponds to GPIO16
//
//// setting PWM properties
//const int freq = 5000;
//const int ledChannel = 0;
//const int resolution = 8;
// 
//void setup(){
//  // configure LED PWM functionalitites
//  ledcSetup(ledChannel, freq, resolution);
//  
//  // attach the channel to the GPIO to be controlled
//  ledcAttachPin(ledPin, ledChannel);
//}
// 
//void loop(){
//  // increase the LED brightness
//  for(int dutyCycle = 0; dutyCycle <= 255; dutyCycle++){   
//    // changing the LED brightness with PWM
//    ledcWrite(ledChannel, dutyCycle);
//    delay(15);
//  }
//
//  // decrease the LED brightness
//  for(int dutyCycle = 255; dutyCycle >= 0; dutyCycle--){
//    // changing the LED brightness with PWM
//    ledcWrite(ledChannel, dutyCycle);   
//    delay(15);
//  }
//}