Okay, I was thinking last night about a possible mod, and have some questions.<BR><BR>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 ...

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 ...

If you’re planning to do some hacking with CPLD or FPGA chips you’ll need a way to program them. JTAG is one of the options and here’s a cheap method that uses the serial port (translated). This ...

This application note discusses best practices for use of the Serial Port Interface (SPI) Mode selection feature of Hittite’s PLL and PLLVCO product lines. In this note, we will refer to them all, ...

Controlling a lunar lander using a 1980s home computer is not for the faint of heart, and this project shows how one intrepid ...