This circuit of starting lights for auto-race was found in an English documentation from the 80's. The LEDs must be of different colors, for greater realism.
This circuit was obtained in a General Electric documentation from the 80's, and can be used as a...
This circuit with a dual power supply generates sinusoidal, triangular and rectangular signals. We found...
In addition to tone control, this circuit of the SGS 1982 linear integrated circuit manual has a...