This circuit that mimics the sound of the famous Scottish instrument was found in a Popular Electronics from the 90s. The components are still quite common today.
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...