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12-position rotary switches with 4 positions D Switch, three position, single pole double throw | | | | | J3, J4, J5 | 3 | 1k | Resistor | | | | | | J2 | 1 | TL074 | Quad operational amplifier, DIP-14 A-1135 2 8 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see build notes The build is pretty straightforward except for mechanical assembly, and one with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's schematic, with features added from Skull and Circuit's VCA v1.3. D952ec97f3 Go to file c852e5d6ad Add note resulting from real TL0x4s d12ec1f19bbae8f01395e4c76a152d3d4ce7a3d4 created pull request synth_mages/MK_VCO#5 613d1b6f7e Merge pull request 'new_footprints' (#5) from new_footprints into main Merge pull request synth_mages/MK_SEQ#2 Notes about component heights, swapping rotary and toggle switches eea453f1eeea3c7619b9825ab723148f1dab934e Port in fixes from v1.1 74231bd333b049ab7b99365de62d937af76b0e42 Finish PCBs Finish PCBs Checkpoint after re-centering sliders, before removing redundant LED resistors light tweaks light tweaks checkpoint after roughing out middle PCB Update to 7.0, slider footprint cb3a50e19a More tweaks after.

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