How to control peripheral ports: Accessing and writing on Parallel Port with C on Linux. Part I

Posted by bob on Oct 22, 2015 12:34 PM EDT
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This tutorial will show you how to control the pins of the parallel port of your PC on Linux from within a small C program. In this example, we switch just a few LED's on and off, but the same technology can be used to control relays to switch devices with high power consumption on and off for home automation.

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