PC Parallel Port Interfacing Technique – Part 2

Introduction

In this tutorial we will flash a LED (Light Emitting Diode) connected to your printer port socket. Reading the first part is recommended to get a general idea of what you are up to.

Connections
To connect a LED to your port first you have to know what it looks like. Shown below is the most common type of connector you can find on a PC.

LPT Pin Out [courtesy:
http://www.wkretak.pl/readarticle.php?article_id=5]

PC Parallel Port Interfacing Techniques – Part 1

Introduction

In this tutorial I will introduce the PC Parallel Port and how to identify its address for use in home electronic projects. Remember, the whole process and learning takes time but is fairly easy later on.

The LPT or Printer Port [courtesy: LadyAda,
http://www.ladyada.net/make/digg/programinterface.html]

The Parallel Port is (updated 2010) was the most commonly used port for interfacing usual devices like printers and scanners. It’s found commonly on the back of your PC as a D-Type 25 Pin female connector. Did you know it can even be used to make home projects?