This cassette player motor speed control was found in the January 1991 issue of Radio Electronics magazine. The circuit is for voltages from 9 to 12 V.
Found in a Radio Electronics from the 90s, this circuit converts analog TV signals from RGB to...
The integrated circuits used in this project are double equivalents of the well-known 555. The...
This circuit, from a technical documentation from the 1970s, converts a low frequency sinusoidal signal...