I have recently learned a little bit of Visual Basic. I came up with an idea just a few minutes ago about a circuit that i could build that plugs into the parallel port that would control the speed of ...
A parallel port, which is standard equipment on nearly every IBM-compatible PC, can be connected directly to TTL/CMOS circuits. The standard parallel port provides 12 logic outputs and five inputs.
The complexity of electronic-device testing varies widely, ranging from the simplest type—manual testing—to the most complex—large-scale automatic test equipment (ATE). In between simple manual ...
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