Jan 30 2013 Lab Submission - Blink

Submitted by stlim on Wed, 01/30/2013 - 16:11

 

Description

 
A simple blink application is tested in this lab session.
A green LED turns on for 500ms in every 100ms.
Through this session, I've come to understand a basic usage of Arduino, matrix structure of the breadboard, the polarity of LED.
 
 

Components Used

 
- 1 green LED
- 1 220  ohm resistor
- 1 Arduino Uno board
 
 

Code

 
The code is based on an example code.
 
/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.
 
  This example code is in the public domain.
 */
 
// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led = 13;
 
// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);     
}
 
// the loop routine runs over and over again forever:
void loop() {
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(500);               // wait for a second
  digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
  delay(100);               // wait for a second
}
blink_stlim
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