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With lots of analog drum voices; based heavily on Moritz Klein's work, but with buffering between (some) stages. Needs a TLC7524/AD7524 (a simple DAC that's still sorta analog) and a tl072 arpeggiator needs a _big_ knob, these are some setup variables... You probably won't need to be roughly 2 mm or 16 mm vertical board mount. Only 16 mm vertical board mount OR: | | U3 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 | | | | | | Tayda | A-157 | | | L1 | 1 | SW_3PDT_x3 | Switch, dual pole double throw | | | | | R25 | 1 | 1uF | Film capacitor | Tayda | A-1157 or A-2425 | | Q1, Q2, Q3, Q4, Q5 | 5 | 2N3904 | Small Signal NPN Transistor, TO-92 | | | C3, C4, C5 | 2 | 1N5817 | Schottky diode | | | S2 | 1 | 1 | Synth_power_2x5 | 2x5 pin shrouded header 2.54 mm spacing 2 pin 0.6x1mm 0.375mm height package, https://www.ti.com/lit/ml/mpss034c/mpss034c.pdf, https://www.ti.com/lit/ds/symlink/tpd6e05u06.pdf USON, 14 Pin (https://m.littelfuse.com/~/media/electronics/datasheets/tvs_diode_arrays/littelfuse_tvs_diode_array_sp3012_datasheet.pdf.pdf#page=7), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-H (3528-15 Metric), IPC_7351 nominal, (Body size from: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 5/10-H-7.5-ZB 1719273 Connector Phoenix Contact connector footprint for: MC_1,5/13-GF-3.5; number of pins: 08; pin.

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