This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an integrated circuit from the period and has earphone listening.
This type of oscillator uses an unusual configuration and can be used as a time base, metronome or rhythm...
This circuit of a 73 American magazine from the 1990s can generate multiple frequency signals from the...
This is another one of the many versions of Nicad battery chargers that we have on the website and in...