Way back in the day, analog/digital converters (ADCs) had simple, parallel interfaces, either TTL or high-level CMOS. Many of these converters could be clocked down to zero samples/second: once you ...
So I'm trying to detect through Visual Basic 6.0 when a voltage change occurs on one of the pins of the serial/parallel port. The whole thing is pretty simple; no data transfer/handshaking/etc needs ...
The MCS9901CV single-lane PCI Express (PCIe) to peripheral controller supports serial, parallel, ISA, and USB interfaces. It can provide 21 combinations of serial, parallel, USB, and ISA interfaces ...
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