Oscilloscope art is a fascinating pursuit in which waveforms are generated for the X an Y channels of an oscilloscope to draw pictures on its screen. It’s somewhat distinct from vector computer ...

so it was natural to recently feature a Javascript based oscilloscope art generator on these pages, along with its companion clock. Open a web page, scribble on the screen, see it on the ‘scope.

A typical cell or battery may supply 1.5 V. The diagram shows an oscilloscope screen displaying the signal from a d.c. supply.

To determine peak voltage from an oscilloscope trace, the maximum vertical deviation of the trace from the centre line is measured from the screen. This number of divisions is multiplied by the Y ...