Audio Precision System One News Today : Breaking News, Live Updates & Top Stories | Vimarsana

This handy little tool uses an inexpensive Raspberry Pi Pico microcontroller board and not much else to generate and analyse audio signals. It has oscilloscope and spectrum modes and can run a sweep to plot a frequency response or perform harmonic analysis to check signal quality. It fits in the palm of your hand, is portable and battery powered. by Tim Blythman

Leo Simpson picks up the history of Silicon Chip magazine from 1993, including a failed attempt to enter the US market, the start of an offshoot magazine (Zoom), and a series of exceptional audio amplifiers. by Leo Simpson