Outcome

First Sketch: Making an LED Blink

Exercise 1

Modify the program to Blink on and off every 3 seconds.

int ledPin = D2;

void setup() {
    pinMode(ledPin, OUTPUT);
}

void loop() {
  digitalWrite(ledPin, HIGH);
  delay(3000);
  digitalWrite(ledPin, LOW);
  delay(3000);
}

Show Advanced Options

Move up Delete Move down

Show Advanced Options

You can upload files of up to 20MB using this form.

Add Rich Text Add Code Block Add Embeddable Content

Outcome

First Sketch: Making an LED Blink

Attribution

Attribution