This circuit was found in the June 1991 issue of Radio Electronics magazine. The circuit uses two Hall effect sensors of the time. It can be assembled using modern equivalents.
This circuit performs the multiplication of voltages without considering its signal. The circuit is...
Found in an American publication from the 1980s, this circuit is designed to regulate the voltage of...
This damped oscillator generates percussion sounds played on a small amplifier. The circuit mimics...