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Or by an op amp Add kicad schematic, some diylc noodling Initial stab at a 10-step sequencer (up to 10 nF | Unpolarized capacitor | | | R4, R12, R13 | 3 | A1M | Potentiometer | | | | | | | | D1, D2, D3, D4, D5, D8, D9, D10 100V 0.15A standard switching diode, DO-35 | | | | | Tayda | A-111 | | R9, R11, R13 | 3 | A1M | Potentiometer | | | | | Tayda | A-3186 | | | | | | | | | | | | | R30 | 1 | SW_3PDT_x3 | 3PDT.

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