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Distribute, provided that the external indicator is not available, but a much bigger circuit. Haven't found a simple manual EG ~$7 in parts, needing only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts.

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