An oscilloscope makes the invisible world of electricity visible, letting you observe electrical signals on a video display ...

[Mitxela]’s reverse oscilloscope lets you set what you want an audio waveform to look like, and it will produce it. You can see the box in the video below. According to [Mitxela] part of the ...

This image is converted into an audio file by Rabiscoscopio, which can then be fed directly into his oscilloscope from his PC. That’s all there is to it – it really doesn’t get much easier.