This circuit with TTL integrated circuits was found in the December 1987 issue of Radio Electronics magazine. The circuit uses a LED scale and is suitable for gaming applications.
This circuit uses sensors to determine who is the first to cross the end line. The circuit was...
When the lights turns off this circuit will produce a sound like a cricket. When the lights are...
This tunable circuit was found in the May 1994 issue of Electronics Now magazine. The circuit has...