Blinking of LEDs in alternate using ARDUINO Uno #arduino #arduinoproject #blinkinglights

[lokesh_smart_works]

//LOKESH SMART WORKS
// Define LED pins
const int led1 = 2;
const int led2 = 3;
const int led3 = 4;
const int led4 = 5;

void setup() {
// Set LED pins as outputs
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
}

void loop() {
// Turn on LEDs 1 and 3, turn off LEDs 2 and 4
digitalWrite(led1, HIGH);
digitalWrite(led3, HIGH);
digitalWrite(led2, LOW);
digitalWrite(led4, LOW);
delay(500); // Wait for 500ms

// Turn on LEDs 2 and 4, turn off LEDs 1 and 3
digitalWrite(led1, LOW);
digitalWrite(led3, LOW);
digitalWrite(led2, HIGH);
digitalWrite(led4, HIGH);
delay(500); // Wait for 500ms
}