The iHacklab Runner

How to build Running Lights on an Arduino:

by J.B. Wylzan

Project 3:  Running Lights:

This project turns on the 9 Leds from left to right repeatedly.

Hardware:
9 LEDs
9 resistors 
connecting wires
breadboard
Arduino R3 UNO board

Schematic Diagram:

image created by fritzing

Block Diagram:

image created by fritzing

Code # 3:
/*
  iHackLab  Running Lights
  powered by Arduino
  sketched by J.B. Wylzan
  modified by Lawsinium

  Turns LEDs On and Off from left to right repeatedly.
  This example code is public domain.
 */

 // Setup pins 4 to 12
void setup() 
 {
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
 }

// Turns LEDs On and Off from left to right repeatedly,
void loop() 
{
  digitalWrite(4, HIGH);   // turn the LED on 
  delay(500);
  digitalWrite(4, LOW);    // turn the LED off 
  
  digitalWrite(5, HIGH);   // turn the LED on
   delay(500);
  digitalWrite(5, LOW);    // turn the LED off

  digitalWrite(6, HIGH);   // turn the LED on
  delay(500);
  digitalWrite(6, LOW);    // turn the LED off
  
  digitalWrite(7, HIGH);   // turn the LED on
   delay(500); 
  digitalWrite(7, LOW);    // turn the LED off 

  digitalWrite(8, HIGH);   // turn the LED on 
  delay(500);
  digitalWrite(8, LOW);    // turn the LED off
  
  digitalWrite(9, HIGH);   // turn the LED on
  delay(500);
  digitalWrite(9, LOW);    // turn the LED off
  
  digitalWrite(10, HIGH);   // turn the LED on
  delay(500);
  digitalWrite(10, LOW);    // turn the LED off
  
  digitalWrite(11, HIGH);   // turn the LED on 
  delay(500);
  digitalWrite(11, LOW);    // turn the LED off  
  
  digitalWrite(12, HIGH);   // turn the LED on
  delay(500);
  digitalWrite(12, LOW);    // turn the LED off
       
}

Actual Layout:

Procedure:
1. Use the same prototype as shown above
2. Run the Arduino Interface
3. Select File > New
4. Copy Code #3 above
5. Paste Code #3
6. Click File > Save
7. Click Verify
8. Click Upload
9. The 9 leds will turn On and Off from left to right repeatedly

Project # 4:  Knight Rider Version

Disclaimer:  We shall not be liable for any loss or damage of whatever nature - direct, indirect, consequential, or otherwise - which may arise as a result of your use of any information on this website. However, if you are interested in using any of the projects for personal or educational purposes, please inform the author by email. 

Public Domain Notice: Copyright (c) 2000. All rights reserved. This article is part of a book entitled iHackRobot. Copies are welcome to be shared or distributed publicly as long proper citations are observed. Please cite as follows: Biotronics: The Silver Species, Joey Lawsin, 1988, USA.

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Patent Pending. 2000 © ®

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