This simple SCR control was found in the December 1987 issue of Radio Electronics magazine. The circuit uses a well-known C106 but can be used in equivalents of the same series.
This circuit was obtained from an American publication of 1982, but can be assembled with ease...
With this shield circuit, you can control LEDs from an AND gate or microcontroller. When both...
This simple circuit makes it possible to test visual fatigue by the ability to detect higher...