By Rahul Srivastava, VU3WJM TNC and Modems ruled the world of digital communications until recently. With the advent of high speed computing and digital signal processing (DSP) all this has changed. If you own a home computer (PC) with a sound ...
PIC 18F4550 and 18F2550 are powerful microcontrollers including a full-speed USB V2.0 compliant interface. With these MCU it's very easy for the hobbyist to design USB devices with very few components. In these pages, I'm describing how to ...