/*
  MSJ Researchers World
  Date - 21st OCT 2024
  Mentor - Mr. Siranjeevi M
  Contact - 7373771991
*/

// Pin assignments
const int ledPin = 5;

// Brightness level (0 to 255)
int brightness = 0;

// Fade amount for each step
int fadeAmount = 5;

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

void loop() {
  // Set the brightness of the LED
  analogWrite(ledPin, brightness);

  // Change the brightness for the next loop
  brightness = brightness + fadeAmount;

  // Reverse the direction of the fade if limits are reached
  if (brightness <= 0 || brightness >= 255) {
    fadeAmount = -fadeAmount;
  }

  // Wait for a short period to see the fade effect
  delay(30);
}