Four Rigol Oscilloscope Hacks with Python


Ken Shirriff shows how to get more out of your Rigol oscilloscope:

A Rigol oscilloscope has a USB output, allowing you to control it with a computer and perform additional processing externally. I was inspired by Cibo Mahto’s article Controlling a Rigol oscilloscope using Linux and Python, and came up with some new Python oscilloscope hacks: super-zoomable graphs, generating a spectrogram, analyzing an IR signal, and dumping an oscilloscope trace as a WAV file. The key techniques I illustrate are connecting to the oscilloscope with Windows, accessing a megabyte of data with Long Memory, and performing analysis on the data.

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