Parallel Ports that are built into your machine can be damaged very easily! So, use all of my sample code at your own risk. Therefore we are using a freeware driver, inpout32.dll, which can be found here.
#Claves para driver parallel lines pc driver#
In Windows XP and NT versions, direct port accessing is prohibited, so we need to have a driver in order to communicate with ports directly. NET and it uses inpout32.dll for direct port access. The application that I have given is developed in Visual Basic.
#Claves para driver parallel lines pc how to#
In that section, I will illustrate some basics of Serial Data Transmission and how to use a more advanced serial port instead of a parallel port. I will then be giving an introduction to Serial Port Programming, which will be my next article on The Code Project. It is very simple and anyone who reads this article can use it at home.
I will also be discussing a sample surveillance application that can be developed with few requirements. 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! Most people think that interfacing with an external circuit is hard and never come up with a solution. 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. How Do the Surveillance System and Sample Application Run?.More Advanced Way to Connect Devices to Parallel Port (Compact 8 Channel Output Driver).
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