This circuit fires with the noise captured by the touch of a sensor. Signal shapes are given next to the diagram. The circuit is from the 80s, using components from that time.
This fuzz effect is from a 1988 Italian publication, but it can be easily assembled, as the...
The circuit presented, from 2006, serves to control loads at a distance, robots, etc. It can be...
We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the...