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Eurorack Playground MkII

10HP Eurorack modular compatible application playground

Specification

Input

Name Description
V/OCT ADC in
GATE Digital in
CV1 ADC in with pot
With bipolar and unipolar switching function
CV2 ADC in with pot
With bipolar and unipolar switching function

Output

Name Description
OUT 1~6 PWM out

With PWM output confirmation LED.
2nd order CR lowpass filter cutoff frequency: 8.7kHz
Opamp buffered out with bipolar and unipolar switching function.

Controller

For application control

Name Description
Pot
Encoder
Button A
Button B
Encoder Button(Button C)
Buttion A LED
Buttion B LED

Image

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Schematic

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Note

The common bias circuitry affects channel separation. I knew this and made it common, but if you are going to copy the circuit, it is better to modify it.

Demonstration

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