With this circuit it is possible to control the intensity of a signal digitally. The circuit is from Radio Electronics from February 1981. The power supply must be 18 V.
This circuit can be adapted to be used in a follow the line robot. It was found in the May 1962...
In the figure we have adapter circuits for using stereo headphones in an amplifier without a...
This circuit was found in a National Semiconductor manual from the 1970s, appearing in articles and on...