LED Blink

Solving Approach

How do you plan to solve it?

Code

void setup() {
  // put your setup code here, to run once:
pinMode(LED_BUILTIN,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(LED_BUILTIN, HIGH);
delay(400);
digitalWrite(LED_BUILTIN, LOW);
delay(800);
}

Output

Video

Add video of the output (know more)

Photo of Output