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 ...

I'm currently involved in a project to critically damp the vibrations of a washing machine using a variable damping coefficient. The way we're getting input from the system is through a serial port ...

The humble serial interface has been around for a very long time, and will stay with us in one form or other for the foreseeable future. It was easy enough to keep track of back in the days when a ...