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Published on Nov 9, 2015
Demonstrating some of the capabilities of the OSC4.7 oscilloscope clock. This oscilloscope clock uses a purely analog signal to generate the circles, arcs and lines that create the characters, using an analog switch and digital potentiometers and rheostats controlled by a microcontroller to manipulate an analog signal (sine wave) from an oscillator. This is quite different from my previous method of using vectors (dots) to draw the display point to point. The board has pots to adjust vertical & horizontal height / width, focus, astigmatism, brightness, and vertical and horizontal centering, as well as oscillator shape, oscillator gain and phase shift.