Lab 1: Blinking LED

Description

Used the Arduino to turn an LED on and off at a specified rate. 

Components Used

Arduino Uno

220 kohm resistor

Blue LED

Arduino Code (modified from Blink example)

 /*

  Blinking an LED
  Turns on an LED on for 2 seconds, then off for 0.5 second, repeatedly.
 
  This sketch is modified from example code found in the public domain.
  Modified 31 April 2011
 */
 
 
void setup() {                
  // initialize the digital pin as an output.
  pinMode(13, OUTPUT);     
}
 
void loop() {
  digitalWrite(13, HIGH);   // set the LED on
  delay(2000);              // wait for 2 second
  digitalWrite(13, LOW);    // set the LED off
  delay(500);              // wait for .5 second
}
LED circuit and arduino
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