LED Blink

Solving Approach

How do you plan to solve it?

 
 https://wokwi.com/projects/442506986690444289

Code

void setup() {
  // put your setup code here, to run once:
pinMode(13,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(13, HIGH);
delay(400);

digitalWrite(13, LOW);
delay(800);
}

Output

Video

Photo of Output