The microcontroller also has a number of built-in operational amplifiers which are used as programmable gain ... his RP2040-based oscilloscope is definitely worth checking out.

He starts off by drawing an image using a single line, saving it as an SVG file. This image is converted into an audio file by Rabiscoscopio, which can then be fed directly into his oscilloscope ...

Utilize analog and digital signal processing techniques in building a low-cost high-precision digital oscilloscope for high ...

As a hybrid test instrument, a mixed-signal oscilloscope (MSO) combines the measurement capabilities of a logic analyzer with ...

From the website: Flea-Scope is a very low-cost and easy-to-use 18 million sample-per-second (Msps) USB oscilloscope and mixed-signal logic analyzer with a built-in waveform generator, and so much ...

An oscilloscope gives the following display for the electricity from a battery. Figure caption, Oscilloscope trace showing battery voltage: a straight horizontal line at the top of the screen.