Basic input project that turns a single LED on and off at regular intervals with Arduino. Teaches the use of digitalWrite and delay functions.

Video

Circuit Diagram

1void setup() {
2  pinMode(9,OUTPUT);
3}
4void loop() {
5 digitalWrite(9,HIGH);
6 delay(100);
7 digitalWrite(9,LOW);
8 delay(100);
9}

Led Lighting | BlueGrays