Found in an 1989 R-E Experimenters Handbook, this circuit produces several sound effects that can be modified. The signal must be applied to an external amplifier.
This configuration, which appears in other projects in this section and on the website, shows how...
This circuit should be placed between a turntable and recorder or playback media from the input to...
This goniometer for the medium wave range was found in a 1967 documentation. It can be adapted to work...