This is a variation on a well known circuit making this rather boring display much more interesting! In fact, what I added was a variable speed option for the Y-axis of the display. Normally it only has variable speed on the X-axis. Watch the video and all will be explained!
You can find the circuit schematics here:
[ Ссылка ]
I've written an in depth article, showing the oscilloscope readouts of the pulses and pictures of the end product nicely built into a box with proper knobs and switches. You can read that here:
[ Ссылка ]

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