MATRIXSYNTH: triPLLe VGO - AV eurorack module

Friday, September 22, 2023

triPLLe VGO - AV eurorack module

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"What is it?:

- audio -video (VGA) eurorack module;

- based on 3 x PLL (phase locked loop/cd4046) and Arduino (for generating vertical and horizontal oscillators);

- frequency of the oscillators directly corresponds to the displayed lines;

- outputs: 3 square wave Voltage Controlled Oscillators & VGA (compatible with most of the projectors & LCD screens);

- each VCO contains an attenuator;

- each VCO can be either synced to vertical oscillator (left position of the toggle switch) or horizontal oscillator (right position of the switch), or can run freely (middle position of the toggle switch);

- each VCO contains two Control Voltage inputs;

- horizontal and vertical oscillators can be synced with external inputs and /or CVs;

!!! you can play around with feedback loops between VCOs by patching one output to another input and vice-versa!!!

- high frequency (above audible; CAN BE UNPLEASANT ) = vertical lines; lower frequency= horizontal lines"

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