Most of the parts we use operate at 3.3volts, but we still run into a lot of old 5volt stuff, and an occasional 2.5volt or 1.8volt part. This post explains how to use the Bus Pirate’s open collector ...
Update, Saturday July 4th, 2009: All preorders are closed. The Bus Pirate is a universal serial interface tool, we use it to test new chips without writing any code. It currently supports most serial ...