Abstract
This paper presents a new approach for programming acquisition cards. We know that an acquisition card which can be connected to the PC sometimes can be really expensive. Very often an engineer needs to generate signals or to make an acquisition of signals. To buy an acquisition card or a signal generator and an oscilloscope can be really expensive. Fortunately for us the PC has many acquisition cards that are already built in, but many of us don't know that they have it. One acquisition card which can be programmed is the LPT or the parallel printer port. With this port we can generate and make an acquisition of digital signals. We can say that we have a built-in digital signal generator and logic analyzer (digital signal oscilloscope) system on 8 channels.
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