https://purinda.com/tags/windows/ Recent content in windows on Purinda Gunasekara Hugo en-AU Sat, 07 Feb 2015 12:17:38 +1100 https://purinda.com/posts/io-ports-programming-parallel-port-reading-writing-surveillance-system-using-vb-net/ Wed, 04 Feb 2015 23:46:54 +1100 https://purinda.com/posts/io-ports-programming-parallel-port-reading-writing-surveillance-system-using-vb-net/ <blockquote> <p>This is a re-blog of my first ever article published online, on <a href="http://www.codeproject.com/Articles/20545/I-O-Ports-Programming-Parallel-port-Reading-Writin">Codeproject.com</a>, which I wrote on 18 Sep 2007. Lately, I&rsquo;ve not kept myself up to date with Windows and .NET platform so any feedback would be great regarding how well/bad this project works with more recent platform changes.</p> </blockquote> <h2 id="introduction">Introduction <a class="anchor" href="#introduction" aria-label="Link to this section"></a></h2> <p>The parallel port, or printer port, is one of the easiest pieces of hardware available to users for communicating with external circuitry or homemade hardware devices. Most people think that interfacing with an external circuit is hard and never come up with a solution. However, in this article, I am trying to convince you that porting with another external device is very easy and it has only a few tricks to be remembered!</p>