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.
Very strong audio spikes in a headset can damage the ear. This circuit, from a 90s Popular...
This circuit is suggested by National Semiconductor and can serve as a basis for an excellent...
This circuit allows 220 / 240V shavers to be used in the 110V network. The diodes can be general...