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 ...

Okay, I was thinking last night about a possible mod, and have some questions.My idea was to use an old VU meter or analog voltage meter as a processor usage meter to put on the front bezel of my ...

The simple method described here evaluates a one-wire device that uses pulse-width-encoded communications from a PC serial port. Communications errors such as parity and acknowledge are monitored. The ...