// Define the LED pins for NodeMCU
const int redPin = 26;    // Red LED connected to D1
const int yellowPin = 26; // Yellow LED connected to D2
const int greenPin = 26;  // Green LED connected to D3

void setup() {
  // Initialize the LED pins as outputs
  pinMode(redPin, OUTPUT);
  pinMode(yellowPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
}

void loop() {
  // Red LED blinks for 5 seconds
  digitalWrite(redPin, HIGH); // Turn on red LED
  delay(5000);                 // Wait for 5 seconds
  digitalWrite(redPin, LOW);  // Turn off red LED

  // Yellow LED blinks for 3 seconds
  digitalWrite(yellowPin, HIGH); // Turn on yellow LED
  delay(3000);                   // Wait for 3 seconds
  digitalWrite(yellowPin, LOW);  // Turn off yellow LED

  // Green LED blinks for 8 seconds
  digitalWrite(greenPin, HIGH); // Turn on green LED
  delay(8000);                  // Wait for 8 seconds
  digitalWrite(greenPin, LOW);  // Turn off green LED
}