const int analogPin = 34; // ADC pin connected to analog sensor
const int ledPin = 5;    // PWM pin connected to LED

int sensorValue;
int pwmValue;

void setup() {
  pinMode(ledPin, OUTPUT); // Set LED pin as output
}

void loop() {
  sensorValue = analogRead(analogPin); // Read analog value from sensor (0-4095 for ESP32 ADC)

  // Map the ADC reading (0-4095) to PWM range (0-255)
  pwmValue = map(sensorValue, 0, 4095, 0, 255);

  // Set LED brightness using PWM value
  analogWrite(ledPin, pwmValue);

  delay(50); // Adjust delay for observation
}