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2x Toggle Switches, 2pin: all step switches (all go to same bus run/stop 2x Pushbutton switches, all 2pin: - Glide attenuator (B10k) (join two left pins from below - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for film; is film needed? - Smaller cap (476nF?) for C1 - Ceramic 104s for C10, C14, might be fine, might introduce intermittents .

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